As the FSTD motion cues may be different from the motion cues experienced in the aircraft,
Airbus recommends that the exercises are performed without the use of any motion system if there is a risk to go beyond the FSTD normal law flight envelope. The FSTD crash conditions should be checked and the “crash inhibit” function activated if there is a risk of flight freeze during the exercise.

Unusual aircraft attitude at low altitude (D + S)

Objective: At low altitude, the flight crew should be able to recognise an unusual aircraft attitude situation, correctly know and apply the related upset recovery techniques.

Exercise:

Nose high recovery:

  • Alternate law (direct law for A350)
  • AP OFF, FD OFF and A/THR OFF
  • Speed: Alternate law max speed – 10 kt
  • Manual thrust set.

Begin the exercise by smoothly pitching up to + 30° wings level. Passing + 20° of pitch, bank progressively to 70°.
Request the trainee to recognise the situation and apply the upset recovery technique.

Nose low recovery:

 Alternate law (direct law on A350)
 AP OFF, FD OFF and A/THR OFF
 Speed: Green Dot speed + 10 kt
 Manual thrust set.

Begin the exercise by smoothly banking up to 70°. Passing 30° of bank, pitch progressively down to – 15°.
Request the trainee to recognize the situation and apply the upset recovery technique.

Unusual aircraft attitude at high altitude (D + S)

Objective: At high altitude, the flight crew should be able to recognise an unusual attitude situation, to correctly know and apply the related upset recovery techniques.

Exercise:

  • Motion should be ON in order to feel high altitude buffet associated to load factor during the recovery. The normal flight envelope will be respected.
  • Alternate law (direct law on A350)
  • Recognition of the situation by demonstration of unusual situation (up to -25°/+30° pitch and 70° bank)
  • Application of upset recovery techniques.