1272. Exits and doors.

1272.     Exits and doors.

Where an A to A commercial air transport aeroplane, public transport aeroplane or public transport helicopters1 registered in the United Kingdom2 is carrying passengers, every exit and internal door in the aircraft must be in working order and, during take-off and landing and during any emergency, must be kept free of obstruction and must not be fastened by locking or otherwise so as to prevent, hinder or delay its use by passengers3.

However, in the case of:


    (1)     an exit which, in accordance with arrangements approved by the Civil Aviation Authority ('CAA')4 either generally