1247. Passenger briefings and demonstrations.

The pilot in command1 must ensure that before or, where appropriate, during the flight2, passengers are given a briefing on emergency equipment and procedures3.

The pilot in command must ensure that:

  1.  

    (1)     before or, where appropriate, during the flight, passengers are given a briefing on use of supplemental oxygen4 where it is proposed that during the flight the cabin altitude will exceed 13,000 feet