The Air Navigation Order 1995

Scale P

(i) Subject to sub-paragraphs (ii) and (v) a flight data recorder which is capable of recording, by reference to a time-scale, the following data:

(a) indicated airspeed;

(b) indicated altitude;

(c) vertical acceleration;

(d) magnetic heading;

(e) pitch attitude, if the equipment provided in the aeroplane is of such a nature as to enable this item to be recorded;

(f) engine power, if the equipment provided in the aeroplane is of such a nature as to enable this item to be recorded;

(g) flap position;

(h) roll attitude, if the equipment provided in the aeroplane is of such a nature as to enable this item to be recorded.

(ii) Subject to sub-paragraph (v), any aeroplane having a maximum total weight authorised not exceeding 11,400 kg may be provided with:

(a) a flight data recorder capable of recording the data described in sub-paragraph (i)(a) to (i)(h); or

(b) a 4 channel cockpit voice recorder.

(ii) Subject to sub-paragraph (v), in addition, on all flights by turbine-powered aeroplanes having a maximum total weight authorised exceeding 11,400 kg a 4 channel cockpit voice recorder.

(iv) The flight data recorder and cockpit voice recorder referred to above shall be so constructed that the record would be likely to be preserved in the event of an accident to the aeroplane.

(v) An aeroplane shall not be required to carry the said equipment, if before take-off the equipment is found to be unserviceable and the aircraft flies in accordance with arrangements approved by the Authority.