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AEL Recurrent > Bell 407GX Performance & Limits > Flashcards

Bell 407GX Performance & Limits Flashcards

1
Q

B407 How does Bell define a “run on landing”?

A

landing with forward ground travel greater than 3 feet with weight on the skids.

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2
Q

B407 Max Allowable cabin deck loading?

A

75 lbs/sq.in.

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3
Q

B407 Max Allowable baggage compartment deck loading?

A

86 lbs/sq.in.

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4
Q

B407 Max Allowable weight in aft cargo compartment?

A

250 lbs

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5
Q

B407 Max internal gross weight?

A

5000 lbs.

5250 lbs with STC

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6
Q

B407 VNE - Basic?

A

140 KIAS up to 3000’ DA

Decreases with altitude per placard.

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7
Q

B407 VNE - Takeoff power?

A 
100 KIAS (or placard if less)
TQ between 93.5 and 100.0%
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8
Q

B407 VNE - Doors removed?

A

100 KIAS (or placard if less)

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9
Q

B407 VNE - Autorotation?

A

100 KIAS (or placard if less)

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10
Q

B407 Max allowable airspeed for sideward or rearward flight (or crosswind hover)?

A

35 KIAS

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11
Q

B407 Max Operating Altitude?

A

20,000 DA or PA, whichever is lower

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12
Q

B407 Max Rate of Climb?

A

2000 ft/min

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13
Q

B407 Slope Landing Limits?

A

10° side slopes
10° nose up-slope
5° nose down-slope

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14
Q

B407 When shall ENG ANTI ICE be ON

A

In visible moisture when OAT is below 5°C (40°F)

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15
Q

B407 Generator Load Limits?

180 amp

A

0 to 180 Continuous up to 10,000 ft PA
0 to 170 Continuous >= 10,000 ft PA
180-300 2-minute transient
300-400 5 second transient

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16
Q

B407 Generator Load Limits?

200 amp

A

0 to 200 Continuous up to 10,000 ft PA
0 to 180 Continuous >= 10,000 ft PA
200-300 2-minute transient
300-400 5 second transient

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17
Q

B407 Starter Limits

External Power

A

40s - ON / 30s - OFF
3 attempts
30min - OFF

Note: 28 VDC GPU limited to 500 amps

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18
Q

B407 Starter Limits

Battery Power

A

60s - ON/OFF
3 attempts
30min OFF

19
Q

B407 NG - Gas Producer Limits

A

63 to 105% - Continuous

105.1 to 106.5% - 10sec transient

20
Q

B407 NP - Power Turbine Limits

A

99 to 100% - Continuous
102.1 to 107.3% - 15 sec transient

68.4 to 87.1% - avoid continuous operation

21
Q

B407
Under what NP conditions will ENGINE OVSPD warning message illuminate?

A
  1. 1% for 2.5 sec
    - or-
  2. 3% immediately
22
Q

B407
When operating in MANUAL mode, NP should be maintained at what speed?

A

95 to 100%

23
Q

B407 MGT Limits?

flight operations

A

100 to 727°C - Continuous
727 to 779°C - Takeoff, 5 minutes
780 to 905°C - Transient, 12 seconds

24
Q

B407 MGT Starting Limits?

A

Do not exceed:
10 seconds above 843°C
-or-
1 second at 927°C

25
Q

B407 Engine Torque Limits?

A

0 to 93.5% - Continuous
93.5 to 100% - Takeoff, 5 minutes
105% - Transient, 5 seconds

26
Q

B407 Fuel Pressure Limits?

A

8 to 25 PSI continuous

27
Q

B407 Engine Oil Pressure Limits?

A 
50 PSI min NG < 79%
90 PSI min NG = 79-94%
115 PSI min NG > 94%
130 PSI max
200 PSI cold starts only
28
Q

B407 Engine Oil Temperature?

A

0 to 107°C - Continuous

29
Q

B407 What are the Engine Oil Temp considerations when hovering with a tail wind?

A

Tailwind > 10 kts
OAT > 37.8°C (100°F)
Monitor temp. Reduce power, nose into wind, or fwd flight to cool down.

30
Q

B407 XMSN Oil Pressure Limits?

A

30 PSI - min
30-40 PSI - idle ops
40-70 PSI - continuous
70 PSI - max

31
Q

B407 XMSN Oil Temperature Limits

A

15 to 110°C - continuous

32
Q

B407 Rotor RPM - Power ON

A

99 to 100% - continuous

33
Q

B407 Rotor RPM - MANUAL mode

A

95 to 100%

34
Q

B407 Rotor RPM - Power OFF

A

85 to 107%

CAUTION >90% for training

35
Q

B407 Rotor Brake Limits?

A

NR < 40%
Apply as necessary for emergency stops
Starts with break prohibited

36
Q

B407 Useable Fuel Capacity (gallons and pounds)

A

127 gallons

869 lbs

37
Q

B407 Define VH

A

The airspeed in level flight obtained using min.spec engine TQ corresponding to max continuous power at sea level and 25°C / 77°F

VH = 127 KIAS

38
Q

B407 Minimum Battery Voltage for Start

A

24 volts

Starting below 24 may result in hot start

39
Q

B407
For start, how long can throttle be in idle position before starter latching is disabled?

A

60 seconds.

If exceeded, close throttle then return to idle.

40
Q

B407
After a start, under what conditions should you stabilize at idle for 1 minute?`

A

If engine has been shutdown for more than 15 minutes

41
Q

B407
During start, what are the key call outs/things to watch?

A

25% NG - Rotors turning
50% NG - START msg extinguished
55% NG - Engine msg extinguished
60% NG - AUTO RELIGHT msg extinguished

42
Q

B407
With generator on, what is the normal voltage?

A

28 VDC ±5

43
Q

B407
At what total fuel indication is the forward tank full?

A

770 lbs (appx)

44
Q

B407
At what total fuel indication is fuel transfer complete?

A

193 lbs (appx)

AEL Recurrent (9 decks)

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