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

SUBPART D INSTRUMENTS, DATA AND EQUIPMENT U.K.

SECTION 1 U.K. Aeroplanes

SPO.IDE.A.210 Headset U.K.
(a) Aeroplanes shall be equipped with a headset with a boom microphone or equivalent for each flight crew member at their assigned station in the flight crew compartment. U.K.
(b) Aeroplanes operated under IFR or at night shall be equipped with a transmit button on the manual pitch and roll control for each required flight crew member. ]U.K.