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In the landing roll, when can the pilot apply the brakes?

1) When both main gears touch the ground.
2) When at least one main gear has contact with runway
3) When both main gears are on the ground and provided that the nose gear can be lowered in a controlled manner permitting it to touch down safely.
4) When all wheels are on the ground.

  • A
    1 and 2.
  • B
    1, 2 and 4.
  • C
    1, 3 and 4.
  • D
    3 and 4.

CS 25
AMC 25.125(c)
Landing

1 During measured landings, if the brakes can be consistently applied in a manner permitting the nose gear to touch down safely, the brakes may be applied with only the main wheels firmly on the ground. Otherwise, the brakes should not be applied until all wheels are firmly on the ground.

2 This is not intended to prevent operation in the normal way of automatic braking systems which, for instance, permit brakes to be selected on before touchdown.

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