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Bell 505 Tech > Limitations > Flashcards

Limitations Flashcards

1
Q

**What is the basic Vne?

A

135kts

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2
Q

How is the basic Vne modified?

A

In accordance with placards and markings in relation to ambient conditions

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3
Q

**What is the Vne in autorotation?

A

100kts or placarded Vne, whichever is lower

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4
Q

**What is Vne in the takeoff power band?

A

80kts

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5
Q

**What is the maximum allowable speed sideways and backwards?

A

25kts

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6
Q

**What is the maximum allowable wind speed when operating crosswind or downwind?

A

25kts

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7
Q

What is Vne with the right door only removed?

A

70kts

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8
Q

What is the Vne with both left doors only removed?

A

100kts or placarded Vne, whichever is lower

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9
Q

What is the Vne with all doors removed?

A

100kts or placarded Vne, whichever is lower

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10
Q

What is the maximum operating altitude?

A

20,000’ amsl

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11
Q

**What type of manoeuvres are specifically prohibited?

A

Aerobatic manoeuvres

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12
Q

What is the maximum sea level temperature for operation?

A

+50 degrees C

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13
Q

How long can the aircraft be left in ambient temperatures below -20 degrees C before start is prohibited?

A

1 hour

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14
Q

**What is the minimum battery voltage for a battery start?

A

25.7v

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15
Q

**What are the limits for operation of the starter?

A
  • 50sec on
  • 30sec off
  • 50sec on
  • 30sec off
  • 50sec on
  • 30 minutes off
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16
Q

**What is the limitation on intentional use of transient limits

A

Transient limits may not be used intentionally

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17
Q

How are engine oil limits displayed?

A

Red lines on the EIS gauge display the limits as calculated by the ECU according to NG and ambient conditions

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18
Q

What consideration must be made for the fuel when operating in ambient temperatures below 4 degrees C?

A

Anti-icing fuel additive must be added to the fuel at the ratio given in the Pilot Flight and Ground Procedures

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19
Q

**What is the maximum Nr for rotor brake engagement?

A

38%

20
Q

What is the limitation on engine start with the rotor brake engaged?

A

It is prohibited

21
Q

How does cold ambient temperature affect engine oil pressure on start, and what are the pilot actions?

A
  • High engine oil pressure is normal during start in cold ambient temperatures.
  • Normal indications should be obtained within 5 minutes orf running at IDLE.
22
Q

Max NG with engine oil temp below 10 degrees C

A

90%

23
Q

Maximum continuous NG

A

99.8%

24
Q

Maximum NG for takeoff (5 minutes)

A

101.2%

25
Q

Maximum transient NG (20sec)

A

103.6%

26
Q

Np limits for continuous operation

A

94 to 105%

27
Q

What are the transient Np limits (20 sec)?

A

92% to 112%

28
Q

Max continuous MGT

A

817 deg C

29
Q

Max takeoff MGT (5 minutes)

A

853 deg C

30
Q

Max transient MGT (20 sec)

A

882 deg C

31
Q

Max MGT during start

A

800 deg C

32
Q

Max transient MGT during start (10 sec)

A

870 deg C

33
Q

Max continuous Tq

A

90% deg C

34
Q

Takeoff Tq limit

A

100%

35
Q

Max transient Tq (5 sec)

A

105

36
Q

Minimum engine oil temperature for starting

A

-20 degrees C

37
Q

Minimum engine oil temperature above 90 NG

A

10 degrees C

38
Q

Continuous operation engine oil temperature

A

50 to 110 degrees C

39
Q

Maximum engine oil temperature

A

110 degrees C

40
Q

Minimum transmission oil pressure at IDLE

A

24 psi

41
Q

Minimum transmission oil pressure at FLY

A

30 psi

42
Q

Continuous operation transmission oil pressure

A

40 to 70 psi

43
Q

Maximum transmission oil pressure

A

70 psi

44
Q

Continuous operation transmission oil temperature

A

15 to 110 degrees C

45
Q

Maximum transmission oil temperature

A

110 degrees C

46
Q

NP/Nr transient limits due to manoeuvre

A

104% +/- 3%

47
Q

What are the Nr/NP limits power off (in autorotation?)

A

90 to 111%

Bell 505 Tech (12 decks)

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