There are 60 passengers and crew members on board a turbo-prop aircraft. Its speed is 240 kt. At a point along the course steered, above the sea, the aircraft is at 1h45 min from an airdrome suitable for emergency landing.
The minimum equipment complying with regulations is:
60 life jackets and three 30-seat life boats
60 life jackets
one 30-seat life boat and two 20-seat life boats
60 life jackets and two 30-seat life boats