2 x 26 USG capacity(25 USG usable) & Max unbalance: 5 USG & 3 chambers per wing

2x 28V 70A alternators & Main Battery 24V 13,6Ah & ECU backup battery 7,2Ah

Diamond DA42-VI

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About these flashcards

This flashcard set covers the technical specifications and operational procedures for the Diamond DA42-VI, aimed at vocational school students. It delves into the aircraft's systems, including the fuel, electrical, and ice protection systems, as well as flight controls and performance parameters like speed ranges, power settings, and operational limits. Pilots and aviation enthusiasts will find this set particularly useful for understanding the intricacies of this twin-engine aircraft, from normal operations to emergency procedures.

Flashcards

Students

Language

English

Flashcards

Vno

151

141

170

165

Vne

188

175

161

200

Vs0

Vs1

Vmca(Flaps UP/APP)

76/73

76/68

71/68

71/73

Vr(Flaps UP/APP)

76/74

80/76

90/85

90/92

Vx(Flaps APP)

Vy(Flaps UP/APP)

85/85

92/85

90/92

68/72

Vfe (Flaps APP)

143

133

123

113

Vfe (Flaps LDG)

133

123

113

Vlo E / R

133/113

152/152

188/188

188/152

Vref Flaps UP/APP/LDG

92/88/86

92/85/74

85/74/66

113/92/74

Vga

100

Landing gear is

Electrically operated

Hydraulically operated

Electrically powered hydraulic pump

Electrically actuated hydraulic valves operated by gear selector switch

Electrically actuated fuses operated by gear selector switch

Landing gear

Gear held up hydraulically

Spring loaded downlock

Downlock released by hydraulic pressure for retraction

Downlock released by hydraulic pressure for extension

Gear held up electrically

Flight Control Operation: Ailerons

Electrically by push rods

Push rods

Cables

Flight Control Operation: Elevator

Push rods

Electrically by push rods

Cables

Flight Control Operation: Flaps

Push rods

Electrically by push rods

Cables

Flight Control Operation: Rudder

Push rods

Electrically by push rods

Cables

Power plant: 2 Austro Engines E4-C

Common-rail direct injection

Carburetor

Turbocharger

Naturally Aspirated

Four cylinders, liquid-cooled 1991 ccm

Max. power limitation(5 minutes time limit)

100%, 2300 RPM

100%, 2100 RPM

92%, 2300 RPM

92%, 2100 RPM

Max cont. power limitation:

92%, 2300 RPM

92%, 2100 RPM

100%, 2300 RPM

100%, 2100 RPM

Propeller

Governor operated by gearbox oil

Prop pitch set by ECU

Constant speed, feathering

3-blade wooden propeller

Governor operation principal

Oil pressure up = pitch down = RPM up

Oil pressure down = pitch down = RPM up

Oil pressure down = pitch up = RPM down

Oil pressure up = pitch down = RPM down

Feathering system principle

Feathering by „Engine Master OFF“ if RPM above 1300

If RPM below 1300: prop pitch remains above high pitch lock

Feathers when gear oil pressure is lost

Feathering by „Engine Master OFF“ if RPM below 1300

If RPM above 1300: prop pitch remains above high pitch lock

Fuel pumps

1 engine driven pump

2 engine driven pump

Additional electrical fuel pumps are part of the fuel system

this high pressure pump(s) feeds the common rail

Oil Pressure(Normal Range)

0.9 bar - 6 bar

2.5 - 6.5 bar

0.9 - 2.5 bar

5 - 7 bar

Oil quantity (per engine)

8 - 10 liters

5 - 7 liters

4 - 6 liters

10 - 14 liters

Oil temperature(Normal Range)

50 - 135 deg

-56 - 75 deg

30 - 75 deg

-56 - 140 deg

Gearbox temperature(Normal Range)

-30 - 120deg

35 - 115deg

35 - 120deg

-56 - 115deg

Coolant temperature(Normal range)

-30 - 105 deg

60 - 105 deg

60 - 95 deg

-20 - 55 deg

Fuel temperature(Normal Range)

-30 - 60 deg

-20 - 55 deg

60 - 95 deg

-30 - 105 deg

Power plant limitations: Fuel pressure

4-7bar

2-6bar

1-2,5bar

5-7bar

Fuel system

2 x 26 USG capacity(25 USG usable)

2 chambers per wing

Max unbalance: 5 USG

Max unbalance: 20 USG

3 chambers per wing

Optional Auxiliary Fuel Tanks

Capacity: 13,7 USG per side(Useable: 13,2 USG)

Electrical transfer pump (auxiliary pump, „AUX PUMP“) feeds fuel from the AUX tank to the main tank

Transfer must be initiated manually

Electrical System

2x 28V 70A alternators

2x 14V 70A alternators

Main Battery 24V 13,6Ah

Main Battery 12V 13,6Ah

ECU backup battery 7,2Ah

Ice protection system TKS

30liters tank

2 independent systems(Airframe and prop/Windshield)

2 pumps

4 pumps

Windshield ice protection

2 pumps for redundancy

One pump operative at a time

Operated for 5 seconds by a push button

Operated for 30 seconds by a push button

4 pumps for redundancy

Ice protection system: Operational modes: NORM

2 pumps simultaneously, but cycled 30 secs ON and 90 secs OFF

2 pumps simultaneously ON for 2 minutes

1 pump continuously ON

Operating time: 1hour

Operating time: 2,5hour

Ice protection system: Operational modes: HIGH

2 pumps simultaneously, but cycled 30 secs ON and 90 secs OFF

2 pumps simultaneously ON for 2 minutes

1 pump continuously ON

Operating time: 1hour

Operating time: 0,5hour

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Diamond DA42-VI

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