Canadian Aviation Regulations (SOR/96-433)

604.05 In addition to any condition pertaining to the operation of an aircraft that is necessary for aviation safety, a certificate may contain operations specifications with respect to

• (a) the special weather minima authorizations referred to in sections 604.21 to 604.24; and

• (b) the navigation system authorization referred to in section 604.25.

604.06 The Association shall issue the authorizations referred to in paragraphs 604.05(a) and (b) where the requirements set out in Standard 624 are met.

• 604.07 (1) If the Minister determines that the policies and procedures established and maintained by the Association under section 604.04 have deficiencies that may constitute a hazard to aviation safety, the Minister may, by order, direct the Association to take the necessary measures to correct the deficiencies.

• (2) The Association shall take the corrective measures without delay.

[604.08 to 604.20 reserved]

604.21 If an aircraft is operated in day VFR flight within uncontrolled airspace at less than 1,000 feet AGL, a person may, for the purposes of subparagraph 602.115(c)(i), operate the aircraft when flight visibility is less than two miles if the person is authorized to do so in a certificate.

604.22 For the purposes of section 602.122, a person may conduct an IFR flight where an alternate aerodrome has not been designated in the IFR flight plan or in the IFR flight itinerary, if

• (a) the person is authorized to do so in a certificate;

• (b) the person complies with the requirements set out in section 624.22 of Standard 624; and

• (c) for an international flight or a flight in Northern Domestic Airspace, the aircraft carries a fuel reserve of five per cent of the fuel required under section 602.88.

604.23 For the purposes of section 602.126, a person may conduct a take-off in an aircraft in IMC where weather conditions are below the take-off minima specified in the instrument approach procedure, if the person

• (a) is authorized to do so in a certificate; and

• (b) complies with the requirements set out in section 624.23 of Standard 624.

604.24 No person shall conduct a CAT II or CAT III instrument approach unless

• (a) the person is authorized to do so in a certificate; and

• (b) the approach is conducted in accordance with the Manual of All Weather Operations (Categories II and III).