Double Box Limitations

Question 1

Max time for ground ops with DC power?

Answer 1

5 minutes

To protect flight deck CRT displays

Question 2

Are thrust reversers approved for flight?

Answer 2

No, ground use only.

Question 3

Can you use thrust reversers during go-arounds?

Answer 3

No, intended for full stop landings.

Question 4

Which 3 thrust reverser lights/messages prohibit takeoff?

Answer 4

1. THRUST REVERSER UNLK light
2. REV icon N1 gauge
3. L or R REV UNLOCKED caution message

Note: Unless MEL’d

Question 5

Slowest speed to use max reverse thrust?

Answer 5

60 KIAS

Question 6

Below 60 KIAS, reverse thrust must be at ____

Answer 6

Idle

Question 7

During preflight check of thrust reversers, reverse thrust limited to _______ ______

Answer 7

Reverse idle

Question 8

Use of DES submode during approach permitted?

Answer 8

No

Question 9

AP engaged below 600’ AGL prohibited unless:

Answer 9

1. Visual and NPA: minimum 400’ AGL
2. PA:
   minimum 80’ AGL

Question 10

ADC source coupled to the active autopilot must be the same as coupled to the ______ during RVSM ops.

Answer 10

Transponder

Question 11

Enroute use of flaps is ______

Answer 11

Prohibited

Question 12

Flight with flaps extended at altitudes above _______ ft is prohibited

Answer 12

15,000 ft