Division (b) Survival suitsF1

All passengers on board shall wear an approved survival suit:

1. (1)

   when the weather report or forecasts available to the commander/pilot-in-command indicate that the sea temperature will be less than plus 10 °C during the flight; or

2. (2)

   when the estimated rescue time exceeds the calculated survival time; or

3. (3)

   when the flight is planned to be conducted at night.