(b) The certificate holder shall describe in its manual the procedure to be followed in the briefing required by paragraph (a) of this section.
(c) If the airplane proceeds directly over water after takeoff, the briefing required by paragraph (a) of this section must be done before takeoff.
(d) If the airplane does not proceed directly over water after takeoff, no part of the briefing required by paragraph (a) of this section has to be given before takeoff, but the entire briefing must be given before reaching the overwater part of the flight.
[Doc. No. 2033, 30 FR 3206, Mar. 9, 1965, as amended by Amdt. 121–144, 43 FR 22648, May 25, 1978; Amdt. 121–146, 43 FR 28403, June 29, 1978]
NEXT: Sec. 121.574 - Oxygen for medical use by passengers.
PREVIOUS: Sec. 121.571 - Briefing passengers before takeoff.