Article 86 Use of flight recording systemsI1

On a flight on which a flight data recorder, a cockpit voice recorder or a combined cockpit voice recorder/flight data recorder is required by paragraph 4(3), (4), or (5) of the Table in Schedule 3 to be carried in an aeroplane, the recorder must always be in use from the beginning of the take-off run to the end of the landing run.

On a flight on which a cockpit voice recorder, a flight data recorder or a combined cockpit voice recorder/flight data recorder is required by paragraph 4(12) of the Table in Schedule 3 to be carried in a helicopter, the recorder must always be in use from the time the rotors first turn for the purpose of taking off until the rotors are next stopped.