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EK20 > DASH-ONE > Flashcards

DASH-ONE Flashcards

1
Q

RPM MAX AND NORMAL OPERATING RANGE?

A

2200 -2700 RPM normal operating range

2700 maximum RPM

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2
Q

ENGINE RPM LIMITS?

A

The engine must not be operated above 2700 RPM. Doing so will result in abnormal wear on bearings, counterweight rollers and other engine parts, concluding in possible engine failure.
However, since instances of inadvertent over speed do occur, it must be emphasized that reporting to the technician in charge is mandatory, if RPM exceed 2700 for more than 2 sec, or RPM exceed 2730 regardless of duration. The maximum RPM and duration of over speed condition should be stated.

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3
Q

OIL PRESSURE LIMITS?

A

60 - 85 PSI normal operating range
25 - 60 and 85 - 100 PSI caution range
25 PSI minimum for engine idling
100 PSI maximum for engine start and warm-up

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4
Q

OIL TEMPERATURE LIMITS?

A

50 –120 °C normal operating range

120 °C maximum

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5
Q

CYLINDER HEAD TEMP. LIMITS?

A

105 – 225 °C normal operating range
225 – 245 °C caution range
245 °C maximum

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6
Q

FUEL FLOW?

A

55% power corresponds to approx. 8 - 9 GPH
65% power corresponds to approx. 9 – 11 GPH
75% power corresponds to approx. 10 - 12 GPH

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7
Q

NORMAL CATEGORY?

A

AUW is less than 1200 kg.
1. Any maneuver used in normal flight
2. Stalls (except whip stall, hammer stall)
3. Lazy eights, chandelles, and steep turns with angle of bank not exceeding 60°.
The limiting load factors “G” are 4.4 positive and 2.2. negative.

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8
Q

UTILITY CATEGORY I?

A

AUW is less than 1125 kg.
- Any maneuver used in normal category
- Erect stall
- Spins
- Lazy eights, chandelles and steep turns with angle of bank exceeding 60°.
The limiting load factors “G” are 4.8 positive and 2.4 negative.

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9
Q

UTILITY CATEGORY II?

A

AUW being less than 1000 kg
- Any maneuvers used in utility category I.
- Rolling
- Looping
- Half roll (Split-S)
- Top roll (Immelmann)
The limiting load factors “G” are 5.4 positive and 2.7 negative.

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10
Q

AEROBATIC CATEGORY?

A

AUW is less than 900 kg
In the aerobatic category, the aircraft is limited to the same maneuvers as in utility categories I
and II. The limiting load factors “G” are 6.0 positive and 3.0 negative.

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11
Q

INVERTED FLIGHT?

A

Inverted flight is limited to 10 seconds due to engine oil system design.

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12
Q

AIRSPEED LIMITS?

A

Vne (Never exceed) 196 knots

Vno (Max. structural cruising) 154 knots

Va (Max. maneuvering) 143 knots

Vf Flaps extended (1-10°) 130 knots

Vfe Flaps extended (11-38°) 100 knots

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13
Q

TOTAL FUEL CAPACITY?

A

Between the main and the rear spar the root-section of each wing is equipped with an integral fuel tank holding 89 liters (23.5 US gallons) thus giving the aircraft a total fuel capacity of 178 liters (47 US gallons).

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14
Q

TOTAL OIL PRESSURE LOSS?

A

In case of total oil pressure loss the propeller blades move into coarse pitch (low RPM), thus preventing engine over speed.

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15
Q

FINE PITCH?

A

Fine pitch (high RPM) is maintained by means of oil pressure.

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16
Q

COARSE PITCH?

A

Coarse pitch (low RPM) is maintained by a mechanical device comprising counterweights which are acted upon by centrifugal force.

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17
Q

MANIFOLD PRESSURE VS RPM?

A

Due to the constant speed propeller, opening of the throttle will increase the manifold pressure, not necessarily the RPM.

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18
Q

UNUSABLE FUEL?

A

The root section of each wing - behind the main spar - forms an integral fuel tank holding a total of 23,5 US gallons (89 litres). The tanks can be completely emptied in level flight, but a normal amount of unusable fuel is 2.5 US gallons (10 litres) per tank. Thus, the total usable fuel is 42 US gallons (158 litres).

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19
Q

ACCURATE FUEL INDICATION?

A

Straight and level flight is required for accurate indication of fuel quantity

20
Q

ELECTRICAL SYSTEM?

A

The electrical system is powered by an engine driven 28 V generator with built-in rectifier

21
Q

GENERATOR CAUTION?

A

In case the voltage of the bus drops below 25 ± 0.5 V, the control box will close the circuit and turn on the GEN light. The cause for low voltage is normally a malfunction of the charging system.

22
Q

ENGINE FIRE WARNING?

A

In case the temperature in the engine compartment rises to 275° C the bi-metallic switch will close a circuit, thus turning on the FIRE ENG warning light.

23
Q

OIL PRESSURE WARNING?

A

The pressure switch is located at the fitting behind the oil pressure indicator. When the oil pressure is below 6.5 ± 2.0 PSI, the circuit is closed and the warning light illuminates.

24
Q

ENGINE RPM LIMITS?

A

The engine must not be operated above 2700 RPM.
Reporting to the technician in charge is mandatory, if RPM exceed 2700 for more than 2 sec, or RPM exceed 2730 regardless of duration.

25
Q

NORMAL CATEGORY?

A

AUW is less than 1200 kg.

  1. Any maneuver used in normal flight
  2. Stalls (except whip stall, hammer stall)
  3. Lazy eights, chandelles, and steep turns with angle of bank not exceeding 60°.

The limiting load factors “G” are 4.4 positive and 2.2. negative.

26
Q

UTILITY CATEGORY I?

A

AUW is less than 1125 kg.

  • Any maneuver used in normal category
  • Erect stall
  • Spins
  • Lazy eights, chandelles and steep turns with angle of bank exceeding 60°.

The limiting load factors “G” are 4.8 positive and 2.4 negative.

27
Q

UTILITY CATEGORY II?

A

AUW being less than 1000 kg

  • Any maneuvers used in utility category I.
  • Rolling
  • Looping
  • Half roll (Split-S)
  • Top roll (Immelmann)

The limiting load factors “G” are 5.4 positive and 2.7 negative.

28
Q

AEROBATIC CATEGORY?

A

AUW is less than 900 kg

In the aerobatic category, the aircraft is limited to the same maneuvers as in utility categories I
and II.

The limiting load factors “G” are 6.0 positive and 3.0 negative.

29
Q

UNUSABLE FUEL?

A

The tanks can be completely emptied in level flight, but a normal amount of unusable fuel is 2.5 US gallons (10 litres) per tank. Thus, the total usable fuel is 42 US gallons (158 litres).

30
Q

Hvad sker der når ALT STATIC AIR åbnes?

A

Airspeed kan vise 5-10 IAS for meget, og altitude ændringer kan være over normalt

31
Q

Hvad indikerer at altitude encoder er i stykker?

A

CODE OFF

32
Q

Hvad kan resultere i pause-and-accelerate effekt på altimeteret? Og hvornår skal man være særlig opmærksom på denne effekt?

A

The internal vibrator is inoperative. Be especially watchful when the minimum approach altitude lies between 8 and 2 (eg 1800-2200)

33
Q

Voltage operating range for attitude indicator

A

18-31 V DC

34
Q

Attitude indicator will operate satisfactorily under following conditions:

A

Operation range: -20C - 55C
Exposure range: -55C - 85C
Pressure -1000’ - 50.000’
Humidity: up to 95% at 50C

35
Q

When starting up the attitude indicator note that:

A

Erect within 30 sec after power has been applied (regardless of reason for power on)
Under standard conditions normal performance is achieved within 3 min. In temp range from -20C - 55C within 5 min.

36
Q

Fire extinguisher specifications

A

Contains 700g HALON 1211 under nitrogen pressure of 7 bar at 20C

Length of throw: 0.5-1.0 m in 20-30 sec (this time is reduced as temperature rises)

37
Q

Hvilken fuel og olie bruger T-17

A

Fuel: AVGAS 100LL (NATO F-18)
Olie:
- Tilkørt motor: Aero Shell oil 15W50
- Ny motor 1/12-31/3: Straight mineral aviation oil 65
- Ny motor 1/4-30/11: Straight mineral aviation oil 80

38
Q

Frequency range of VHF2 and UHF

A

VHF2: 118.000 MHz - 136.975 MHz
UHF: 225.000 MHz - 399.975 MHz

39
Q

Frequency for guard channel

A

243.000 MHz

40
Q

Final and base speed corrections:

A

No flaps: +5kts to base and final
>1050 kg: +5kts to base and final
Alt stat air on: +10kts to base and final
Gust +10kts: +1/2 gustfactor to final

Short field landing: -10 kts to final

41
Q

Entry speed for:

Roll
Top Roll
Half Roll
Loop
Lazy Eight
Chandelle
Clover Leaf
Cuban 8
Barrel Roll
Inverted Flight
A 
Roll - 130
Top Roll - 150
Half Roll - 70
Loop - 140
Lazy Eight - 130
Chandelle - 130
Clover Leaf - 140
Cuban 8 - 140
Barrel Roll - 130
Inverted Flight - 130
42
Q

Hvad sker der når Emergency vælges på intercon

A

PPT fra

VHF1 og VHF2 transmitterer

43
Q

AUX FUEL PUMP should be ON during entire TAKE-OFF climb when

A

+40C

High density altitude

44
Q

AUX FUEL PUMP should be ON when airborn

A

Below 500’ AGL
Utilizing fuel selector
Fluctuating fuel flow

45
Q

AUX FUEL PUMP should be ON during TAXI when

A

+40C

46
Q

RUN UP CHECK 1-4 ikke bestået:

A

Varm motoren op ved 1200 RPM, til olietemperaturen er over 50C. Start derefter RUN UP CHECK forfra

47
Q

RUN UP CHECK viser drop på magnetos, udenfor limits:

A

Magnetos BOTH ON
2500 RPM
Lean to peak EGT og kør motoren i 30-40 sek
Reducer throttle til 1200 RPM og sæt mixture i rich (i denne rækkefølge)
Start RUN UP CHECK forfra
Er drops stadig udenfor limits, ground abort aircraft

EK20 (10 decks)

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