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Texan Tech > Operating Limits > Flashcards

Operating Limits Flashcards

1
Q

What is the Max Operating Speed, Vmo?

A

316kts

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2
Q

What is the Max Operating Mach Number, Mmo?

A

0.67IMN

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3
Q

What is the Max Flap Extension Speed, Vfe?

A

150kts

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4
Q

What is the Max Speed with Landing Gear Extended, Vle?

A

150kts

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5
Q

What is the Max Speed with Landing Gear Travelling, Vlo?

A

150kts

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6
Q

What is the Max Turbulent Air Penetration Speed, Vg?

A

207kts

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7
Q

What is the Max Manoeuvre Speed, Vo?

A

227kts

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8
Q

What is the Max Full Rudder Deflection Speed?

A

150kts

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9
Q

What are the symmetrical g-limits when in the clean configuration?

A

-3.5g to +7.0g

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10
Q

What are the asymmetrical g-limits when in the clean configuration?

A

-1.0g to +4.7g

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11
Q

What are the g-limits (symmetric and asymmetric) when gear and/ or flap is extended?

A

0.0g to +2.0g

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12
Q

What two conditions are required for there to be a risk of icing?

A

OAT less than or equal to 5 degrees C, and the aircraft is operating in visible moisture (i.e. cloud).

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13
Q

What limits should you adhere to if ice has accumulated on the aircraft?

A

Maximum AoB: 30 Degrees.
G-limits: 0.0g to +2.0g, or stall warner (whichever comes first).
Increase approach speeds by 10kts.

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14
Q

What is the maximum time limit on sustained negative g?

A

A maximum of 60 seconds at a time. .

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15
Q

What is the time limit on zero g flight?

A

A maximum of 5 seconds at a time.

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16
Q

What is the maximum permitted crosswind on a wet or dry runway?

A

25kts

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17
Q

What is the maximum permitted crosswind on an icy runway?

A

5kts

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18
Q

What is the maximum tailwind permitted for take-off?

A

10kts

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19
Q

What is the maximum permitted wind speed for opening the canopy?

A

40kts

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20
Q

What is the Max Ramp Weight?

A

6950lbs

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21
Q

What is the Max takeoff weight?

A

6900lbs

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22
Q

What is the max landing weight?

A

6900lbs

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23
Q

What is the maximum weight permitted in the baggage compartment?

A

80lbs

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24
Q

What position must the Defog switch be in for takeoff and landing?

A

Off.

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25
Q

Should NWS be on or off for takeoff and landing?

A

Off

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26
Q

Are you permitted to land directly onto any arrestor cables?

A

No.

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27
Q

Are you permitted to engage arrestor barriers or raised arrestor cables?

A

No.

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28
Q

What is the maximum aircraft altitude?

A

31,000ft

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29
Q

What is the propeller overspeed limit?

A

110% Np

30
Q

What is the upper cockpit pressurisation limit?

A

3.6+-0.2PSI i.e. 3.8PSI

31
Q

When a runway is defined as WET, and also published as “Slippery when WET”, what is the maximum crosswind limit?

A

10kts

32
Q

What is the acceptable ammeter range when the generator is operating in flight?

A

-2 to +50 Amps

33
Q

What is the acceptable voltage range when the generator is operating, either on the ground or in flight?

A

28.0 to 28.5 Volts

34
Q

What is the minimum battery voltage required for a ground start using the internal battery?

A

23.5 Volts

35
Q

What is the minimum battery voltage required for a ground start using an external GPU?

A

22 Volts

36
Q

What is the normal oil pressure range (i.e. the green range on the dial)?

A

90 to 120 PSI

37
Q

What is the absolute minimum oil pressure when the throttle is set above IDLE (shown by the lower red caret on the dial)?
How long can it remain between this value and the normal minimum?
What caption will be displayed if the oil pressure falls below this?

A

40 PSI

5 seconds

A red OIL PX caption.

38
Q

What is the caution range for the oil pressure (shown by an amber arc on the dial)?

How long can it remain in this range before a red OIL PX caption is displayed?

A

40 to 90 PSI

5 seconds.

39
Q

What is the minimum oil pressure with the throttle set to IDLE?
What caption will be displayed if the oil pressure falls below this?

A

15 PSI

A red OIL PX caption.

40
Q

What is the maximum oil pressure (shown by the upper red caret on the dial)?
What caption will be displayed if the oil pressure is greater than this?

A

200 PSI

A red CHK ENG caption.

41
Q

What is the minimum oil temperature on the ground?

A

-40 degrees C.

42
Q

What is the minimum oil temperature in flight?

A

10 degrees C.

43
Q

What is the normal oil temperature range in flight?

A

10 to 105 degrees C.

44
Q

What is the oil temperature caution range?

What caption will be displayed if the oil temperature is in this range?

A

106 to 110 degrees C.

An amber CHK ENG caption.

45
Q

What are the limitations on operating in the oil temperature caution range on the ground?

A

You are permitted to operate in this range, but only with less than 20% TQ and only for 10 minutes.

46
Q

What is the maximum oil temperature?

A

110 degrees C.

47
Q

What is the Np resonance range that you should avoid when operating on the ground?

A

62 - 80% Np.

48
Q

What is the maximum ITT?

What is the permitted transient range, and how long is it permitted to stay there?

A

820 degrees C.

821 to 870 degrees C - 20 seconds maximum.

49
Q

Give the eight reasons that an engine start should be aborted manually.

A

1) No ITT rise within 10 seconds after fuel flow indication.
2) ITT likely to exceed 1000 degrees C.
3) ITT likely to remain between 871 and 1000 degrees C for >5 seconds.
4) Normal N1 increase is halted - a hung start.
5) A red BATT BUS caption during the start sequence.
6) The throttle is moved, or the ST READY caption extinguishes during the start sequence.
7) Hydraulic Pressure does not rise into the green range immediately upon start.
8) Oil Pressure does not start rising after start.

50
Q

What is the maximum ITT when the throttle is at IDLE?

A

750 degrees C.

51
Q

What is the acceptable torque range with the throttle set to IDLE?

A

1 to 10%

52
Q

What torque limit is indicative of an engine malfunction?

A

102%

53
Q

If you have uncommanded power changes/ propeller feather, and have turned the PMU off to deal with it, you may require over 100% TQ to get back to base safely. What is the TQ limit to prevent damage to the engine in this case?

A

132%

54
Q

What is the maximum permitted Np for normal operation?

A

100%

55
Q

What is the maximum permitted Np with PMU off?

A

100+-2% (i.e. 102%)

56
Q

What is the maximum permitted transient Np during an in-flight emergency?
How long may it be above the normal permitted maximum value for?

A

110%

20 seconds.

57
Q

What range should N1 be in when the throttle is at IDLE on the ground?

A

60 to 61%

58
Q

What range should Np be in when the throttle is at IDLE when on the ground?

A

46 to 50%

59
Q

What value should N1 be at when the throttle is set to IDLE in flight?

A

67%

60
Q

State the rules regarding negative g manoeuvres when you have over 200lbs of fuel in each wing fuel tank.

A

Maximum sustained time in negative g: 60 seconds.

You may perform an unrestricted number of negative g manoeuvres within 60 seconds. This must be followed by at least 30 seconds of positive g.

61
Q

State the rules regarding negative g manoeuvres when you have under 200lbs of fuel in either wing fuel tank.

A

Maximum sustained time in negative g: 60 seconds.

You may perform an unrestricted number of negative g manoeuvres within 60 seconds. This must be followed by at least 60 seconds of positive g.

62
Q

What RPM is Np given as a percentage of?

A

2000RPM

63
Q

What Np does the PMU aim to maintain in flight?

A

100%

64
Q

What is the maximum altitude with gear or flap extended?

A

22,000ft

65
Q

What is the recommended airspeed in turbulent air?

A

180kts

66
Q

What is the maximum permitted IOAT for engine start?

A

+80 degrees C

67
Q

What are the upper and lower ambient temperature limits for ground operation?

A

-23 degrees C to +43 degrees C

68
Q

Under what circumstances is ground operation in ambient temperatures exceeding +43 degrees C permitted?

A

For less than 15 minutes, and only when taxiing the aircraft to park.

69
Q

When must pre-flight equipment cooling be carried out?

A

If the aircraft has been parked in direct sunlight in ambient temperatures of above +35 degrees C.

70
Q

Explain the restrictions around flying in forecast icing conditions.

A

You are permitted to fly in forecast light and moderate icing conditions. However, if you experience icing, you must exit icing conditions ASAP.

Texan Tech (15 decks)

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