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OxfordSaudia > Systems and Performance > Flashcards

Systems and Performance Flashcards

1
Q

DA40 max demonstrated crosswind?

A

25kts

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2
Q

DA40 maneuvering speed at maximum mass?

A

113kts

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3
Q

What are the flap speeds for T/O and LDG?

A

T/O = 110kts LDG = 98kts

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4
Q

What does Vno stand for and what is the speed?

A

Max. structural cruising speed = 130kts

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5
Q

What does Vne stand for and what is the speed?

A

Never exceed speed in smooth air = 172kts

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6
Q

What is the range of the white arc on the airspeed indicator?

A

Operating range with flaps full extended 60-98kts

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7
Q

What is the range of the green arc on the airspeed indicator?

A

Normal operating range = 66 - 130kts

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8
Q

What is the range of the yellow arc on the airspeed indicator?

A

‘Cation’ range - ‘Only in smooth air’ = 130 -172kts

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9
Q

What is the red line on the airspeed indicator?

A

Maximum speed for all operations = 172kts

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10
Q

Maximum takeoff RPM & time limit?

A

2300 RPM 100% (123.5kW) for 5 minutes

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11
Q

Maximum continuous power RPM?

A

2100 RPM 92% (114kW)

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12
Q

Maximum overspeed RPM?

A

2500 RPM max. 20 sec

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13
Q

What is the engine power produced at 100% power?

A

123.5kW (165.6 DIN-HP)

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14
Q

What engine power is produced at 92% power?

A

114kW (152.8 DIN-HP)

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15
Q

Maximum and Minimum oil quantity?

A

5L to 7L

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16
Q

Aircraft maximum and minimum voltage?

A

24.1 V to 32 V

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17
Q

Maximum takeoff weight?

A

1310 kg

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18
Q

Maximum landing weight?

A

1280 kg

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19
Q

What flight maneuvers are allowed by the AFM?

A

Demonstration stalls, steep turns, chandelles, lazy eights, ground reference.

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20
Q

What flight maneuvers are not allowed by the AFM?

A

Spins, dynamic stall, angle of bank not to exceed 60* and aerobatics.

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21
Q

What are the load limits with the flaps at takeoff or landing?

A

Positive 2.0 Negative 0.0

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22
Q

What are the load limits when at or below Vo?

A

Positive 3.8 Negative -1.52

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23
Q

What are the load limits when at Vne?

A

Positive 3.8 Negative 0.0

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24
Q

What kinds of operations are allowed?

A

Day VFR, NVFR, IFR, and T/O LDG on paved/unpaved surfaces.

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25
Q

What kinds of operations are prohibited in the DA40?

A

Flights into known or forecast icing conditions. Flights into known thunderstorms

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26
Q

What is the total fuel capacity with long range tanks, and of that how much is usable?

A

41gal. 39 gal Usable

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27
Q

Max permissible difference between the right and left tank?

A

9gal

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28
Q

How many fuel pumps are on the aircraft?

A

2 electrically driven pumps and one engine driven. Total of 3 fuel pumps

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29
Q

What is the fuel flow rate of fuel provided to the engine?

A

45gal/HR

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30
Q

What type of flight is not permitted with a dead main battery?

A

NVFR and IFR

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31
Q

Regarding the Emergency electrical sw: when is IFR flight not permitted?

A

When the seal on the emergency switch is broken

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32
Q

What material is used to form the fuselage and flight controls?

A

Carbon Fiber Reinforced Plastic and Glass Fiber Reinforced Plastic. GFRP/CFRP Composite Sandwich.

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33
Q

What type of aileron system does the DA40 use to counteract adverse yaw?

A

Frise Type/Differential Ailerons. 20* up +/- 2, 13 down +/- 2*

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34
Q

How are the ailerons, elevator, and flaps actuated?

A

Through control rods.

35
Q

How is the rudder actuated?

A

Controlled by cables.

36
Q

What is the alternator voltage and amperage rating?

A

28 V DC system at 70A

37
Q

What is the lead-acid main battery capacity?

A

30 minutes

38
Q

How many batteries back up the ECU, and what is their voltage & amperage rating?

A

2 back up batteries. 12V and 7.2 Ah

39
Q

Which ECU uses the ECU backup batteries?

A

ECU B

40
Q

How long do the ECU backup batteries provide power to the ECU?

A

30 minutes

41
Q

What type of battery is connected to the emergency switch?

A

Non-rechargeable dry battery

42
Q

What does the emergency switch provide voltage for?

A

Attitude gyro and flood light

43
Q

How long does the emergency switch provide voltage for?

A

1.5 hours

44
Q

Can you take off in IFR conditions if the safety wire on the Emergency switch is broken?

A

No, IFR is not authorized if the seal is broken on the switch

45
Q

What are the electrical buss’s on the DA40?

A

Hot Battery Bus, Battery Bus 1, Battery Bus 2, ECU Bus, Main Bus, Essential Bus, Avionics Bus

46
Q

What is the meaning of RACC?

A

Recirculating Air - Cabin Cooling

47
Q

What are the minimum altitudes for autopilot operation?

A

Must be disengaged below 200’ AGL during approach and 800’ for all other phases of flight.

48
Q

What is the maximum & minimum speed for autopilot engagement?

A

Max. = 165 KIAS Min. = 70 KIAS

49
Q

When do the red chevrons appear on the PFD?

A

50* pitch up and 30* pitch down

50
Q

What is the max commanded pitch up and down by the auto pilot?

A

-15* and +20*

51
Q

Type of engine in the DA40NG?

A

Austro Engine (E4-A), inline construction, liquid-cooled, common rail direct injection, turbo charged with intercooler, constant speed prop, propeller speed reducing gearbox.

52
Q

What is the definition of Vo?

A

Maximum operational maneuvering speed (Vo) is a speed where the airplane will stall in a nose-up pitching maneuver before exceeding the airplane structural limits.

53
Q

How many fuel pumps does the fuel pump switch activate?

A

Activates both ECU fuel pumps.

54
Q

Are the EECU pumps high or low pressure pumps?

A

Low pressure

55
Q

Is the engine driven fuel pump a high or lower pressure pump?

A

High pressure

56
Q

What is the gliding distance of the DA40NG with wheel fairings?

A

1 : 9.7 2.94 km per 1,000ft of altitude lost.

57
Q

What is the gliding distance of the DA40NG without wheel fairings?

A

1 : 9.4 2.85 km per 1,000ft of altitude lost.

58
Q

What is the propeller reduction gearing ratio on the DA40NG?

A

1 : 1.69

59
Q

What is the composition of the propeller?

A

Wood-composite blades with fiber-reinforced plastic coating and metal leading edge protection; in the region of the hub the leading edge is coated with adhesive PU tape.

60
Q

Where does the propeller governor get the oil to change blade angle?

A

The gearbox has its own oil supply.

61
Q

What causes the propeller to move to a higher pitch?

A

Higher oil pressure pushes on the spring in the hub, which forces the blades into a higher pitch.

62
Q

What is the meaning of EECU?

A

Electric Engine Control Unit

63
Q

When must the RACC be switched off?

A

during all emergencies, take-off, landing, go-around, or abnormal operating procedures, OAT below 10*C, and above 10,000’ MSL

64
Q

How much is take-off distance increased by with the RACC turned on?

A

40m

65
Q

How much is the ROC decreased by with the RACC turned on?

A

25fpm

66
Q

How much dihedral is designed in the wing?

A

5*

67
Q

Amount of leading edge sweep

A

1*

68
Q

What kind of flaps does the DA40 have?

A

Split and plan

69
Q

T/O Flaps degrees?

A

20*

70
Q

Landing Flaps degrees?

A

42*

71
Q

Wing span

A

11.63 m

72
Q

Length

A

8.06 m

73
Q

Height

A

1.97 m

74
Q

Aspect Ratio

A

10.223

75
Q

Location of the datum plane

A

2.194 m forward of the most forward point of the root rib on the stub wing.

76
Q

Max. Operating Altitude

A

16,400 ft

77
Q

What are the fuel tanks made of?

A

Aluminum

78
Q

Starter Limitations

A

Max 10 seconds and 60 second cool down time.

79
Q

Vertical speed limitations on auto pilot

A

-3000fpm and +1500fpm

80
Q

Auto Pilot Max Speed

A

165

81
Q

Auto Pilot Low Speed

A

70

82
Q

Auto Pilot Lowest Altitude to Engage

A

800ft

83
Q

Auto Pilot Lowest Altitude to Disenage

A

No more than 50ft below DA

OxfordSaudia (4 decks)

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