Canadian Aviation Regulations — 602.63
602.63 (1) No person shall operate over water a single-engined aeroplane, or a multi-engined aeroplane that is unable to maintain flight with any engine failed, at more than 100 nautical miles, or the distance that can be covered in 30 minutes of flight at the cruising speed filed in the flight plan or flight itinerary, whichever distance is the lesser, from a suitable emergency landing site unless life rafts are carried on board and are sufficient in total rated capacity to accommodate all of the persons on board. (2) Subject to subsection (3), no person shall operate over water a multi-engined aeroplane that is able to maintain flight with any engine failed at more than 200 nautical miles, or the distance that can be covered in 60 minutes of flight at the cruising speed filed in the flight plan or flight itinerary, whichever distance is the lesser, from a suitable emergency landing site unless life rafts are carried on board and are sufficient in total rated capacity to accommodate all of the persons on board. (3) A person may operate over water a transport category aircraft that is an aeroplane, at up to 400 nautical miles, or the distance that can be covered in 120 minutes of flight at the cruising speed filed in the flight plan or flight itinerary, whichever distance is the lesser, from a suitable emergency landing site without the life rafts referred to in subsection (2) being carried on board. (4) No person shall operate over water a single-engined helicopter, or a multi-engined helicopter that is unable to maintain flight with any engine failed, at more than 25 nautical miles, or the distance that can be covered in 15 minutes of flight at the cruising speed filed in the flight plan or flight itinerary, whichever distance is the lesser, from a suitable emergency landing site unless life rafts are carried on board and are sufficient in total rated capacity to accommodate all of the persons on board. (5) No person shall operate over water a multi-engined helicopter that is able to maintain flight with any engine failed at more than 50 nautical miles, or the distance that can be covered in 30 minutes of flight at the cruising speed filed in the flight plan or flight itinerary, whichever distance is the lesser, from a suitable emergency landing site unless life rafts are carried on board and are sufficient in total rated capacity to accommodate all of the persons on board. (6) The life rafts referred to in this section shall be (a) stowed so that they are easily accessible for use in the event of a ditching; (b) installed in conspicuously marked locations near an exit; and (c) equipped with an attached survival kit, sufficient for the survival on water of each person on board the aircraft, given the geographical area, the season of the year and anticipated seasonal climatic variations, that provides a means for (i) providing shelter, (ii) providing or purifying water, and (iii) visually signalling distress. (7) Where a helicopter is required to carry life rafts pursuant to subsection (4) or (5), no person shall operate the helicopter over water having a temperature of less than 10 o C unless (a) a helicopter passenger transportation suit system that conforms to paragraph 551.407(c) of the Airworthiness Manual is provided for each passenger on board; (b) a helicopter crew member transportation suit system is provided for each crew member on board; and (c) the pilot-in-command directs all persons on board to wear their helicopter transportation suit system. (8) Every person who has been directed to wear a helicopter transportation suit system pursuant to paragraph (7)(c) shall wear that suit system. (9) Paragraph (7)(a) does not apply if (a) the flight is necessary in order to respond to a medical emergency or any other emergency that is a threat to the safety of persons and (i) the helicopter is a transport category rotorcraft, in respect of which a type certificate has been issued, that meets the requirements of Chapter 529