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[F1ANNEX VIII U.K. SPECIALISED OPERATIONS [PART-SPO]

SUBPART D INSTRUMENTS, DATA AND EQUIPMENT U.K.

SECTION 2 U.K. Helicopters

SPO.IDE.H.145 Flight data recorder U.K.
(a) Helicopters with an MCTOM of more than 3 175 kg and first issued with an individual CofA on or after 1 January 2016 shall be equipped with an FDR that uses a digital method of recording and storing data and for which a method of readily retrieving that data from the storage medium is available. U.K.
(b) The FDR shall record the parameters required to determine accurately the helicopter flight path, speed, attitude, engine power, configuration and operation and be capable of retaining data recorded during at least the preceding 10 hours. U.K.
(c) Data shall be obtained from helicopter sources that enable accurate correlation with information displayed to the flight crew. U.K.
(d) The FDR shall start automatically to record the data prior to the helicopter being capable of moving under its own power and shall stop automatically after the helicopter is incapable of moving under its own power. U.K.
[F2(e) If the FDR is not deployable, it shall have a device to assist in locating it under water. By 1 January 2020 at the latest, this device shall have a minimum underwater transmission time of 90 days. If the FDR is deployable, it shall have an automatic emergency locator transmitter.]] U.K.