Regulation 89

is to be operated in Performance Class 1 or 2 —

when the helicopter is engaged in offshore or other over water operations;

when the helicopter is to be flown over water in a hostile environment; or

when the helicopter is to be flown over water at a distance from land that is more than 10 minutes at normal cruise speed; and

is to be operated in Performance Class 3 when the helicopter is to be flown at a distance from land that is beyond the auto‑rotational distance.

when the helicopter is flying over water in a hostile environment;

when the helicopter is flying over water at a distance from land that is more than 10 minutes at normal cruise speed; (c)whenever the pilot‑in‑command, based on the pilot‑in‑command’s determination of the risk to survival of the occupants in the event of ditching, so decides.

if the helicopter is required under this regulation to carry more than one life raft —

at least 50% of the life rafts are deployable by remote control; and (ii)any life raft that is not deployable by remote control, and has a mass of more than 40 kg, is equipped with some means of mechanically assisted deployment; and

if the helicopter is fitted with only 2 life rafts, each life raft is able to carry all the occupants of the helicopter when the life raft is in the overload state.