ILS signal not activated, ILS approach clearance, alignment and descent for final approach, MSAW alert, approach aborted

Authorisation to land on a runway occupied by another aircraft

Take-off on a runway engaged by a snowplough, during a sightseing flight, in the mountains.

Loss of separation between two planes

Undetected in-flight transponder failure, following of a conflicting flight path in RVSM airspace without radar contact

Clearance to land on a runway occupied by another aeroplane at runway threshold

Alarme GPWS en descente

Déroutement, atterrissage en-dessous des minimas carburant

Transmission of incorrect altimeter setting (QNH) by air traffic service, near-collision with ground during satellite approach procedure with barometric vertical guidance

Clairance d'atterrissage sur piste occupée, remise de gaz