[F1 (a) Each flight crew member required to be on duty in the flight crew compartment shall wear a headset with boom microphone or equivalent. The headset shall be used as the primary device for voice communications with ATS: U.K.
(1)
when on the ground:
(i)
when receiving the ATC departure clearance via voice communication; and
(ii)
when engines are running;
(2)
when in flight:
(i)
below transition altitude; or
(ii)
10 000 ft, whichever is higher;
and
(3)
whenever deemed necessary by the pilot in command. ]
Textual Amendments
F1Inserted by Commission Regulation (EU) No 800/2013 of 14 August 2013 amending Regulation (EU) No 965/2012 laying down technical requirements and administrative procedures related to air operations pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council (Text with EEA relevance).