Handout DA42 Systems
Transcription
Handout DA42 Systems
Flight Training Division Handout DA42 Systems Diamond DA 42 Twin Star Dimensions and Exterior Vers. 11.2 © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Dimensions Dimensions 13,42 m 2,49 m 2,20 m 8,56 m 1,74 m © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Dimensions Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Minimum width for 180° turn 1,87 m 2,95 m © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 1 Minimum width for 180° turn Minimum width for 180° turn Full nosewheel deflection, no brake Full nosewheel deflection, max. brake on inner wheel (wheel blocked) 2,95 m 2,95 m 9,5 m 6,0 m 46 cm safety margin 30cm safety margin © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Attention ! Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner AFM page 1-2 In this program all mass and speed values will be for aircraft with a MTOM 1785 kg For aircraft not yet certified for this MTOM (MTOM: 1700 kg) refer to the AFM! X © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Mass (Weight) Mass Empty (typical) 1250 kg Max TKOF 1785 kg Max Ramp © Peter Schmidleitner + 8 kg Max Zero Fuel 1650 kg Max LDG 1700 kg Min for flight 1250 kg ! © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 2 Max Landing Mass Max baggage loads Landing with a mass higher than 1700 kg is an „Abnormal Operating Procedure“ However: „Hard LDG Check“ only required after a hard LDG, regardless of LDG mass Nose compartment 30 kg Cockpit baggage compartment 45 kg Baggage extension 18 kg (behind rear seats) © Peter Schmidleitner 45 kg © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Mass (Weight) Attention! JET fuel and Diesel are heavier than AVGAS! Speeds Typical fuel weight: JET A1: 0,8 kg/ltr 3,03 kg/USG Diesel: 0,84 kg/ltr 3,2 kg/USG © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Characteristic speeds Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Characteristic speeds VNO 155 KIAS VSO 57 KIAS VNE 194 KIAS VS1 64 KIAS VA up to 1542 kg 120 KIAS VMCA 68 KIAS VA above 1542 kg 126 KIAS © Peter Schmidleitner VMCA ice 72 KIAS Vops ice 121-160 © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 3 Characteristic speeds Characteristic speeds VFE (Flaps APP) 137 KIAS VFE (Flaps LDG) 111 KIAS VLO E 194 KIAS VR 72 KIAS VX 79 KIAS VY 79 KIAS VYSE 82 KIAS VLO R (=~VNO) 156 KIAS VSSE 82 KIAS VLE 194 KIAS (= VNE) Emergency extension © Peter Schmidleitner (= VNE) 156 KIAS © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Characteristic speeds </= 1700 kg > 1700 kg VREF FLAPS UP 85 KIAS 86 KIAS VREF FLAPS APP 82 KIAS 82 KIAS VREF FLAPS LDG 76 KIAS 78 KIAS VGA 82 KIAS 82 KIAS FLAPS UP *) LDG distance: Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Instrument Panel *) x 1,4 © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Instrument Panel Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Instrument Panel Airspeed Garmin 1000 Horizon Altimeter Compass Backup Instruments © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 4 Instrument Panel Instrument Panel Flood Lights Emergency Switch Emergency Battery (non rechargeable) Lights ELT © Peter Schmidleitner Circuit breakers © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Instrument Panel Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Instrument Panel Alternators + ECU Control Pitot heat Engine master switches, Engine start Electric Master, Avionic Master © Peter Schmidleitner Landing gear Autopilot Flaps © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Alternate Static Valve Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Alternate Static Valve © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 5 Diamond DA 42 Twin Star DA 42 Garmin 1000 Garmin 1000 Quick overview Audio Panel PFD MFD © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner PFD Airspeed Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Garmin 1000 MFD Attitude Altitude Skid and Slip EIS / Engine Indication System Multi Function Display Vertical speed Turn Rate OAT DG / HSI Transponder, Time © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Engine Indication System Default page Display when pushing the SYSTEM button Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Engine Indication System Display when pushing the FUEL button © Peter Schmidleitner Default SYSTEM FUEL © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 6 NAV and COM Tuning NAV and COM Tuning NAV LH identical COM RH © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Garmin 1000 Garmin 1000 Active: inside Standby: outside Active: green Standby cursor: boxed COM volume/squelch COM Active („green“) is selected on AUDIO panel NAV volume ident filter Active: inside Active: green NAV COM flip-flop NAV flip-flop Cursor toggle Cursor toggle MHz tuning MHz tuning KHz tuning KHz tuning © Peter Schmidleitner Standby: outside Standby cursor: boxed Active („green“) is on HSI, selected by CDI key © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Audio Panel Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Audio Panel „MIC“ selector; automatically selects corresponding Audio to headphone COM Split Switch Clearance recorder playback • Last 2,5 minutes of communication GMA 1347 • Press MKR/Mute to exit „MAN Squelch“ key Intercom Isolation © Peter Schmidleitner Intercom volume and squelch control © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 7 Audio Panel Audio Panel Normal Position: Intercom volume control Manual squelch control MAN SQ off (not lit) MAN SQ on (lit) Auto squelch is active VOL Inner knob: Pilot‘s volume VOL Outer knob: Copilot‘s, Passengers‘ volume SQ Pressing inner knob: toggles between „VOL“ and „SQ“ Outer knob: Copilot‘s, Passengers‘ squelch Inner knob: Pilot‘s squelch © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Hydraulic Brakes Hydraulic System Pilot applies brakes © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Hydraulic Brakes Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Hydraulic Brakes Parking brake „Pumping“ Copilot applies brakes One-way valve is closed Pressure builds up © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 8 Landing Gear Landing gear Hydraulically operated Electrically powered hydraulic pump Electrically actuated hydraulic valves operated by gear selector switch „Squat switches“ prevent retraction on ground Warning horn with „gear up“ and „1 throttle in low position“ or „flaps LDG“ © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Landing Gear Landing gear Gear downlock = spring loaded Downlock released by hydraulic pressure for retraction Green lights = gear down and locked Red lights = gear neither down nor up Gear held up hydraulically Emergency operation = free fall (by releasing hydraulic pressure) Landing Gear Warning: Gear UP one throttle below ~20% Flaps LDG and or © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Landing Gear Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Landing gear operation Extension Emergency Extension © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 9 Landing gear operation Landing gear operation Extended Retraction © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Landing gear operation Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Landing gear operation Retracted Emergency Extension © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Nosewheel steering Nosewheel steered with rudder pedals Steering angle: Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Flight Controls 30° without use of brakes 52° with one wheel fully braked © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner 10 Flight Control Operation Variable elevator backstop Ailerons, Elevator: push rods Flaps: electrically by push rods Rudder: cables Normal elevator „up“ deflection: 15,5° Limited to „13° up“ when both throttles above 20% (approach power setting) and flaps LDG Reason: With full elevator deflection in case of stalling the handling qualities and stall characteristics are degraded „STICK LIMIT“ caution when variable stop not in proper position and throttles both low or both high Preflight check of this device is mandatory! © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Variable elevator backstop Flaps UP or APP Power levers Backstop shall be Trim Tabs Caution light If Backstop is Both LOW unlimiting Split Rudder trim: bowden cable limiting Both HIGH LDG Elevator trim: bowden cable STICK LIMIT STICK LIMIT Both LOW unlimiting Split inactive Both HIGH limiting limiting unlimiting STICK LIMIT STICK LIMIT © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Power Plant Power Plant 2 Thielert Aircraft Engines TAE125 Four cylinders, liquid-cooled, 1689 ccm Common-rail direct injection Reduction gear 1:1,69 Dual digital engine control Turbocharger Max. power 99kW (135 HP) at 2300 RPM Max cont. power 99kW (135 hp) at 2300 RPM © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 11 Power Plant Propeller • Power lever selects power (LOAD in %) • RPM automatically determined by selected power Recommended Cruise Power Setting: 70% 3-blade wooden propeller Constant speed, feathering Pitch control integrated into engine Pitch control by gearbox oil Governor valve controlled by ECU © Peter Schmidleitner Oil pressure up = pitch down = RPM up Oil pressure down = pitch up = RPM down © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Feathering System Power plant limitations No „Auto-feather“ Feathering by „Engine Master OFF“ if RPM above 1300 If RPM below 1300: prop pitch remains above high pitch lock Unfeathering by oil pressure from accumulator when Engine Master is ON © Peter Schmidleitner Max overspeed: 2500 RPM, max 20 sec. Oil pressure: 1.0 – 6.5 bar Oil quantity (per engine): 4.5 – 6.0 liters Max. oil consumption: 0.1 liters/hr Oil temperature: -32 °C – 140 °C Gearbox temperature: max. 120 °C Coolant temperature: -32 °C – 105 °C Max. restart altitude: 6000 ft, 80–120 KIAS © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Power plant fluid specifications AFM page 1-2 Fuel: JET A-1 or JET A (ASTM 1655) JET No. 3 (GB6537-94) Diesel (EN 590) Oil: SHELL Helix Ultra 5W30 synth. API SL/CF SHELL Helix Ultra 5W40 synth. API SL/CF AERO SHELL Diesel 10W-40 Gearbox oil: Coolant: SHELL EP 75W90 API GL-4 Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner ! X Destilled water + cooler protection 1:1 (BASF Glysantin Alu Protect Plus/G48) (freezing point –36 °C) © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 12 „Diesel“ limitations Diesel or JET/Diesel mixture not permitted in AUX tanks Temperature limits „Diesel“ limitations Below -5° C Below +5° C When is no more diesel in the tanks? no engine start no take-off Be sure that no diesel fuel is in the tanks – otherwise temp limitations for diesel ops must be observed each tank to be refilled at least twice with more than 17,2 USG (65 ltrs) of Jet fuel otherwise tank must be drained © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner „Diesel“ limitations Fuel temperature -30 -5 Fire detection system +5 +70 +75 JET A-1 Take-off Diesel, Diesel/A-1 blend or unknown Engine start Overheat detector in hot area of each engine Warning above 250°C Test button: Analogue indication Default page FUEL page © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner DA 42 Fuel System Fuel System 2 Tanks (left and right), each with 3 chambers: 2 x 25 USG usable = 50 USG (189 ltr) = 152 kg (at 0,80 kg/ltr) At 70% power: 10,5 USG/hr Max unbalance: 5 USG © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 13 DA 42 Fuel system DA 42 Fuel System Fuel filler 3 chambers Fuel Valve „ON“ Supply Temperature sensor Drain Return flow 18-21 USG/hr Fuel level sensor 2 vents © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner DA 42 Fuel System Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Fuel Valves Schematic Supply X-feed operation Return flow ON X-F ON OFF ON ON X-FEED OFF OFF © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Both valves closed X-F ON OFF X-F ON OFF OFF OFF © Peter Schmidleitner ON X-F ON X-FEED Supply Return flow X-F X-F Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Both engines running Supply Supply Return flow Return flow X-F ON X-F OFF OFF OFF ON ON X-F ON OFF X-F X-F ON X-F OFF OFF OFF ON ON ON ON ON X-FEED X-FEED X-FEED X-FEED OFF OFF OFF OFF © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 14 LH Eng. u/s, RH Eng. X-feed ON X-F ON OFF X-F Both engines from LH Tank Supply Supply Return flow Return flow X-F ON X-F OFF OFF OFF ON ON X-F ON OFF X-F X-F X-F ON OFF OFF OFF ON ON ON ON X-FEED X-FEED X-FEED X-FEED OFF OFF OFF OFF © Peter Schmidleitner ON © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Optional Auxiliary Fuel Tanks Optional Auxiliary Fuel Tanks © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Optional Auxiliary Fuel Tanks Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Optional Auxiliary Fuel Tanks One tank in each nacelle Capacity: 13,7 USG per side Useable: 13,2 USG per side For practical purposes (placarded): 13,0 USG per side © Peter Schmidleitner Main tanks AUX tanks Total 2 x 25 USG 2 x 13 USG 2 x 38 USG 50 USG 26 USG 76 USG 5 USG Max unbalance © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 15 Optional Auxiliary Fuel Tanks Optional Auxiliary Fuel Tanks Electrical transfer pump feeds fuel from the AUX tank to the main tank Transfer must be initiated manually Transfer in 2 steps: First half when main tank 17 USG or less (up to full main tank) Second half when main tank again 17 USG or less © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Optional Auxiliary Fuel Tanks Optional Auxiliary Fuel Tanks Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner CAUTION light Transfer pump switched OFF automatically when: Main tank is full AUX tank is empty L/R AUX FUEL E L/R AUX tank empty and fuel transfer pump ON © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Optional Auxiliary Fuel Tanks Optional Auxiliary Fuel Tanks In case of a L or R XFER pump failure: (AUX pump does not operate) Use x-feed function to keep fuel balance Amend flight plan for reduced amount of available fuel © Peter Schmidleitner Mass and Balance Item Lever Arm (m) Wing tanks 2.63 AUX tanks 3.20 © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 16 Optional Auxiliary Fuel Tanks Optional Auxiliary Fuel Tanks Fuel quantity check Verify AUX empty Electrical Master Fuel transfer L/R AUX FUEL E ON ON CHECKED Fuel quantity between „FULL“ and „EMPTY“ cannot be determined Verify AUX full Visual check © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Remember ! Optional Auxiliary Fuel Tanks Preflight fuel management If possible transfer all AUX fuel to main tanks Use external power or one engine running Electrical Master Fuel transfer Diesel or A1/Diesel mixture not permitted in AUX tanks ! ON ON until L/R AUX FUEL E (will take max. 10 minutes) ON © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Cooling System Cooling System Coolant Temp. < 80° © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 17 Cooling System Cooling System Coolant Temp. Cabin Heat > 80° © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Cabin Heating and Defrosting System Defrost from LH Engine Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Cabin Heat from RH Engine Turbocharger System © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Turbo Charger Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Turbo Charger Compressor compresses intake air Bypass for excess exhaust gas Exhaust gas drives turbine Exhaust gas drives turbine © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 18 Diamond DA 42 Twin Star DA 42 Electrical System Electrical System © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner DA 42 Electrical System Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner DA 42 Electrical System Power sources Power distribution Main Battery 24V 10Ah LH Generator 28V 60A Hot Battery Bus Battery Bus RH Main Bus LH Main Bus Load balancing RH Generator 28V 60A RH ECU Bus LH ECU Bus Excitation Battery 24V 1,3 Ah Emergency Battery Avionic Bus © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner DA 42 Electrical System Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Hot Battery Bus Battery Bus Starter Starter LH Generator EPU Pilot map / reading light RH Generator Main Battery 24V 10Ah Avionic Bus Hot Battery Bus RH ECU Bus LH ECU Bus LH Main Bus RH Main Bus © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 19 Battery Bus LH Main Bus LH / RH Main Bus LH / RH starter heavy duty power LH / RH ECU BUS (via diode) PFD Air Data Computer AHRS COM 1 GPS/NAV 1 Transponder Engine Instruments Fuel transfer De-icing system © Peter Schmidleitner Pitot heating Oxygen system Gear control Gear warning Map light Flood light Taxi light Anticollision lights Variable elevator backstop © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner RH Main Bus Avionic Bus MFD Horizon Starter control Flap system Avionic/ CDU cooling fan Avionic Bus Stall warning Autopilot warning Landing light Navigation lights Instrument lights © Peter Schmidleitner COM 2 GPS/NAV 2 Audio panel Autopilot (Data Link) (WX 500) (ADF) DME (Weather Radar) © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner DA 42 Electrical System DA 42 Electrical System Electric Master Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner L/R Alternator switch Connects Battery Bus to Battery (Battery Bus powers L/R Main Bus) Enables Alternator Switches © Peter Schmidleitner Connects L/R Generator to L/R Main Bus (In normal operation Alternator switches are always ON) © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 20 DA 42 Electrical System DA 42 Electrical System L/R Engine Master Avionic Master Switch Enables starter activation Connects L/R ECU (A+B) to L/R ECU Bus Provides power for „GLOW“ and unfeathering accumulator Connects L/R generator field to Excitation Battery Connects Avionic Bus to RH Main Bus © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner DA 42 Electrical System Excitation Battery Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Electric Master OFF Main Battery 24V 10Ah OFF OFF ON OFF ON Excitation Battery 24V 1,3 Ah © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Electric Master ON Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner LH Engine Master ON Preparing Engine Start Engine Masters still OFF ON OFF ON ON OFF ON OFF ON ON ON © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 21 LH Engine Start ON After LH Engine Start OFF ON ON OFF ON ON ON ON ON © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star External power connection Oxygen System © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Oxygen system Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Oxygen system Continous Flow System Operation up to 18.000 ft Oxygen cylinder pressure MAX 1850 psi 4 cannulas plus 1 mask Acc. AFM to be used above 12.500 ft © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 22 Oxygen system Oxygen system Oxygen cylinder Oxygen outlets © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Oxygen system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Oxygen system © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Oxygen system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Oxygen system Flowmeter Quick connect Adjustable flow valve Scale for cannula © Peter Schmidleitner Scale for mask © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 23 Diamond DA 42 Twin Star Ice protection system Ice Protection System Fluid ice protection system Product of CAV Aerospace Ltd (Celtic Aerospace Ventures Ltd) commonly knows as „TKS“ © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system T K S Tecalemit Ltd. (metering pumps) „TKS“ Ice Protection General Kilfrost Ltd. (deicing chemicals) Sheepbridge Stokes (porous metals) © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Ice protection system How does it work? Protection fluid acts a „freezing point depressant“ (FPD) Water droplets in the air combine with FPD fluid to form a mixture with a freezing temperature below the temperature of the ambient air © Peter Schmidleitner Two means of FPD fluid application: Spray nozzles (windshield, propeller) Porous skin panels Propeller: Feeding into a „slinger ring“ Feeder tube to (rubber) leading edge © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 24 Ice protection system Freezing point of glycol: -12° C Freezing point of glycol/water mixture: -22° C to „TKS“ Ice Protection DA 42 -40°C © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Operational modes 2 „independent“ systems Airframe and Prop Windshield MAX HIGH NORM mode NORM PUMP 1 PUMP 2 2 x 2 pumps HIGH mode ALTERNATE LH Main BUS RH Main BUS Normally powered from the LH Main Bus Fluid tank © Peter Schmidleitner 2 pumps simultaneously, but cycled 30 secs ON and 90 secs OFF 1 pump continuously MAX mode 2 pumps simultaneously ON for 2 minutes © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 25 Ice protection system Ice protection system Operational modes NORM mode ~ 2,5 hrs HIGH mode Windshield ice protection ~ 1,0 hr MAX mode 2 pumps for redundancy Only one pump operative at a time Operated for 5 seconds by a push button ~ 0,5 hrs © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Airframe and Prop Windshield MAX cycling HIGH NORM NORM PUMP 1 PUMP 2 ALTERNATE 30s ON, 90s OFF LH Main BUS RH Main BUS © Peter Schmidleitner Fluid tank © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Airframe and Prop Continuously ON Windshield MAX HIGH HIGH NORM PUMP 1 PUMP 2 ALTERNATE LH Main BUS RH Main BUS © Peter Schmidleitner Fluid tank © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 26 Ice protection system Ice protection system 2 minutes ON Airframe and Prop MAX Windshield MAX + HIGH HIGH NORM PUMP 1 PUMP 2 ALTERNATE LH Main BUS RH Main BUS © Peter Schmidleitner Fluid tank © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Airframe and Prop Windshield MAX HIGH NORM PUMP 1 PUMP 2 ALTERNATE 5 seconds LH Main BUS Windshield deice RH Main BUS © Peter Schmidleitner Fluid tank © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Airframe and Prop Windshield MAX HIGH NORM PUMP 1 PUMP 2 ALTERNATE Main and Windshield pump selector LH Main BUS RH Main BUS © Peter Schmidleitner Fluid tank © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 27 Ice protection system Ice protection system Airframe and Prop Windshield MAX ALTERNATE switch connects pump #2 directly to RH main bus HIGH NORM PUMP 1 PUMP 2 ALTERNATE LH Main BUS RH Main BUS System operates in HIGH mode Fluid tank © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Ice protection system Airframe and Prop Windshield MAX HIGH NORM PUMP 1 DEICE LVL LO light ON PUMP 2 DEIC PRES LO light ON after 120 seconds ALTERNATE LH Main BUS RH Main BUS Annunciator test Fluid tank © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Ice protection system CAUTION lights DEIC PRES LO DEIC PRES HI Ice lights De-icing pressure is low De-icing pressure is high DEICE LVL LO De-icing fluid level is low (below 10 ltrs) © Peter Schmidleitner (max 45 mins in NORM mode) © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 28 Ice protection system Approved fluids For use in the system: Ice protection system Mass and Balance AL-5 (DTD 406B) Aeroshell Compound 07 For de-icing on ground: Lever Arm (m) 1.00 Item De-icing fluid tank AL-5 (DTD 406B) Aeroshell Compound 07 TKS 80 1 ltr: 1,1 kg 30 ltr: 33,0 kg © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Ice protection system Preflight Check: Electric Master De-ice fluid quantity Windshield de-icing DE ICE Ice lights Porous panels, props Ice lights DE ICE, Ice lights Annunciator test ON CHECK CHECK HIGH ON CHECK CHECK OFF PERFORM YES on panels © Peter Schmidleitner Water, soap Isopropyl alcohol Ethyl alcohol Methylated spirit De-icing fluids AVGAS Jet fuel NO on panels © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Operational considerations approved for flight into known icing conditions („fiki“) DA42 Ice protection system is Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Operational considerations Wax Methyl ethyl ketone (MEK) Lacquer thinner Other thinners and solvents NOT a „de-icing“ system but an „anti-ice“ system, preventing accretion of ice what defines „icing conditions“? visually detected ice visible moisture and OAT +3°C or below minimum operating temperature for the ice protection system: -30°C © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 29 Ice protection system Ice protection system Operational considerations what indicates conditions the system my be unable to cope with? Operational considerations heavy ice accumulation on windshield ice on side areas of canopy rapid formation and shedding of bars thicker than 6mm from porous panels select HIGH/MAX leave icing conditions Exit icing conditions immediately how to detect freezing rain or freezing drizzle ? what to do? flight in „freezing rain“ or „freezing drizzle“ is prohibited ! unusually extensive ice where normally not observed ice on upper surface of wing aft of protected area ice on spinner further back than normally observed © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Operational considerations Operational considerations how to detect possible freezing rain or freezing drizzle conditions? visible rain in OAT below +5°C droplets that splash on impact in OAT below +5°C performance loss larger than normally experienced in icing conditions Autopilot may be used in icing conditions, but: disconnect every 10 – 15 minutes to detect out of trim conditions PROHIBITED with ice aft of protected area unusual lateral trim autopilot trim warning © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Ice protection system Ice protection system Operational considerations Operational considerations Airspeeds with ice on unprotected areas VMCA 72 KIAS Continuous operation in icing conditions (except TKOF, LDG and maneuvers) Stalling speeds Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 121 – 160 KIAS + 4 KIAS © Peter Schmidleitner Performance with ice on unprotected areas reduced by Rate of climb up to 150 fpm 1-engine ROC up to 150 fpm above 2000ft PA positive ROC may not be achieved Cruise performance 15% © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 30 Ice protection system Ice protection system Operational considerations Technical considerations Approach, landing in icing conditions: Gear down, flaps APP Va min 82 KIAS LDG distance: x 1,4 ! Go around with Flaps APP, gear down, 82 KIAS: 5,83%, 529 fpm climb Priming of the system: main pumps: porous panels: primed by windshield pumps not to be primed in icing conditions !! shall be primed in climb or descent up to 4°C MAX mode in intervals of 5 minutes until fluid dissipates from all panels above 4°C priming by special maintenance only © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Autopilot Limitations Autopilot © Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Autopilot Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Autopilot AP engaged annunciator Pitch trim annunciator ALT Alert ALT ARM Baro display/ setting Pitch Wrng AP ON/OFF Roll Wrng ALT V/S BARO Set Altitude or Baro HDG select APR mode NAV mode ALT Hold Backbeam display +/- V/S or +/- Alt © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 31 Autopilot Autopilot Roll Mode: ROL HDG NAV ARM NAV APR ARM APR REV ARM REV GS ARM Vertical Speed Mode Pitch Mode: VS ALT ARM ALT GS © Peter Schmidleitner Toggles between ALT HLD and V/S © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Autopilot Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Autopilot Altitude Preselect Altitude Hold Mode Select Altitude ALT ARM Select V/S Change to V/S Toggles between ALT HLD and V/S © Peter Schmidleitner ALT Hold and ALERT © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Autopilot CWS Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner AP disconnect Performance Manual Electric Trim © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner 32 Performance DA 42 Twin Star according CS 23: No Density Altitude graph in the DA42 AFM Normal, Utility & Aerobatic category Reciprocating engine Density altitude Weight < 2722 kg VSO < 61 kt „Light Twin“ © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner TOD, TOR tabular format The „DA 42“ and „Density altitude“ Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Attention! Performance data which are enginepower dependant cannot be determined by just using „Density Altitude“! Reason: the engine power output does not correspond to density altitude but pressure and temperature have their own, independent influence This is a feature of the ECU controlled, turbocharged Diesel-engine © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Performance diagrams TKOF distance All diagrams are in duplicate: © Peter Schmidleitner 1st for mass up to 1700 kg 2nd for mass above 1700 kg © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 33 TKOF distance Grass Runway (TOM > 1700kg) Length of grass - 5 cm + 10% 5 - 10 cm + 15% >10 cm + 25% > 25 cm © Peter Schmidleitner TKOF roll Wet grass additional + 10% TKOF should not be attempted © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner LD, LR tabular format Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner LD, LR tabular format Remember: landing mass > 1700kg = „Abnormal Operating Procedure“ ! 1700 kg 1785 kg 572 m 710 m + 138 m © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Grass Runway Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Go around 76 KIAS Length of grass - 5 cm 5 - 10 cm >10 cm LDG run Wet grass 78 KIAS + 5% + 15% additional + 10% min + 25% Required gradient acc. CS 23.77 (a): 3,3% at Sea Level © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 34 Accelerate stop distance Obstacles ? „d“= (RWL + Obst.Dist.) - TOD Gradient = („h“ / „d“) * 100 ROC = Gradient x TAS 0.95 824 m „h“ 1401 m + increment for 0° flaps ? © Peter Schmidleitner „d“ Obst. Dist. TOD RWL © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Vöslau RWY 31 Mass and Balance „d“= (950 + 830) – 530 = 1250 Gradient = (30 / 1250) * 100 = 2,4% ROC = 2,4 x 85 0.95 Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner = 215 fpm Acc. Performance Graph: @ 1700 kg ~ 220 fpm 98 ft 1250 830 m 530 950 © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Empty mass Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Center of gravity envelope Empty Mass includes: Equipment as per Equipment Inventory Brake fluid Hydraulic fluid Engine oil (2 x 6.0 liters) Coolant (2 x 6.0 liters) Gearbox oil (2 x 0.9 liters) Unusable fuel in main tanks (2 USG) Unusable fuel in AUX tanks (1 USG) © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 35 Moment envelope Moment arms Item © Peter Schmidleitner Lever Arm (m) Front seats 2.30 Rear seats 3.25 Wing tanks 2.63 AUX tanks 3.20 De-icing fluid 1.00 Nose baggage 0.60 Cockpit baggage 3.89 Baggage Extension 4.54 © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star Typical M+B data Empty mass Moment CG arm ACFT with ice-protection and AUX tanks 1296,6 3162,5 2,439 ACFT with AUX tanks 1275,5 3103,8 2,433 Emergency Equipment © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner Diamond DA 42 Twin Star Emergency Equipment Kinds of Operation Equipment List (KOEL) © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner 36 Kinds of Operation Equipment List KOEL Kinds of Operation Equipment List © Peter Schmidleitner KOEL © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Kinds of Operation Equipment List KOEL Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Kinds of Operation Equipment List © Peter Schmidleitner KOEL © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Kinds of Operation Equipment List Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Diamond DA 42 Twin Star KOEL Additional minimum equipment for the intended operation may be required by national operating rules and also depends on the route to be flown. Servicing © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Compiled byby Peter Peter Schmidleitner Schmidleitner 37 Unscheduled Maintenance Scheduled maintenance Required after Hard landings Propeller strike Engine fire Lightning strike Other malfunctions and damage Every 100 hours 200 hours 1000 hours 2000 hours Annually New engine: inspection after 3 – 6 hours © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner De-icing Mooring Aproved de-icing fluids: Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Kilfrost TKS 80 Aeroshell Compound 07 AL-5 (DTD 406B) Procedure: Remove snow with brush Spray de-icing fluid Wipe dry © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Happy landings ! Mooring © Peter Schmidleitner © Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner Compiled Peter Schmidleitner Compiled byby Peter Schmidleitner 38