Aircraft Flight Operation Regulations Article 251

Amphibians or landplanes, shall be equipped with one sea anchor, one anchor (drogue), and for each passenger, one life jacket or equivalent individual floatation device stowed in a position easily accessible from the seat or berth of the person for whose use it is provided; equipment for making the sound signals prescribed in the “International Regulations for Preventing Collisions” at sea shall also be installed.Amphibians or landplanes, when operates under either one of the following conditions, shall carry for each personnel on board one life jacket or equivalent individual floatation device, stowed in a position easily accessible from the seat or berth of the person for whose use it is provided.1. Flying over water and at a distance of more than 50 NM away from the shore; or2. Flying en-route over water beyond gliding distance from the shore; or3. During take-off or landing at an aerodrome, the take-off and approach path is over water.The single-engine airplane flying over water more than 100 NM from the shore or multi-engine airplane with one engine inoperative flying over water more than 200 NM away from the shore shall carry and store the life-saving rafts that are enough for all personnel on board provided with such life-saving equipment including means of sustaining life is appropriate to the flight to be undertaken, and equipment for making the pyrotechnical distress signals in according with ICAO Annex 2, Appendix 1.