Canadian Aviation Regulations

605.42 (1) Subject to subsection (2), no operator shall operate a turbine-powered aeroplane that has a seating configuration, excluding pilot seats, of six or more, unless the aeroplane is equipped with an operative TAWS that

• (a) meets the requirements for Class A or Class B equipment set out in CAN-TSO-C151a or a more recent version of it;

• (b) meets the altitude accuracy requirements set out in section 551.102 of Chapter 551 of the Airworthiness Manual; and

• (c) has a terrain and airport database compatible with the area of operation.

(2) The operator may operate the aeroplane without its being equipped with an operative TAWS if

• (a) the aeroplane is operated in day VFR only;

• (b) in the event that a minimum equipment list has not been approved by the Minister and subject to subsection 605.08(1), the operation takes place within the three days after the day on which the failure of the TAWS occurs; or

• (c) it is necessary for the pilot-in-command to deactivate, in the interests of aviation safety, the TAWS or any of its modes and the pilot-in-command does so in accordance with the aircraft flight manual, aircraft operating manual, flight manual supplement or minimum equipment list.

(3) This section does not apply in respect of aeroplanes manufactured on or before the day on which this section comes into force until the day that is two years after that day.