Canadian Aviation Regulations (SOR/96-433)

700.10 (1) For the purposes of subsection (3), the visibility with respect to an aeroplane is less than the minimum visibility required for a non-precision approach, an APV or a CAT I precision approach if, in respect of the advisory visibility specified in the Canada Air Pilot and set out in column I of an item in the table to this section,

• (a) where the RVR is measured by RVR “A” and RVR “B”, the RVR measured by RVR “A” for the runway of intended approach is less than the visibility set out in column II of the item for the approach conducted;

• (b) where the RVR is measured by only one of RVR “A” and RVR “B”, the RVR for the runway of intended approach is less than the visibility set out in column II of the item for the approach conducted;

• (c) where no RVR for the runway of intended approach is available, the runway visibility is less than the visibility set out in column II of the item for the approach conducted; or

• (d) where the aerodrome is located south of the 60th parallel of north latitude and no RVR or runway visibility for the runway of intended approach is available, the ground visibility at the aerodrome where the runway is located is less than the visibility set out in column II of the item for the approach conducted.

(2) For the purposes of subsection (3), the visibility with respect to a helicopter is less than the minimum visibility required for a non-precision approach, an APV or a CAT I precision approach if

• (a) where the RVR is measured by RVR “A” and RVR “B”, the RVR measured by RVR “A” for the surface of intended approach is less than 1,200 feet; or

• (b) where the RVR is measured by only one of RVR “A” and RVR “B”, the RVR for the surface of intended approach is less than 1,200 feet.

(3) Where the visibility is less than the minimum visibility set out in subsection (1) or (2), as applicable, no person shall continue a non-precision approach, an APV or a CAT I precision approach in an IFR aircraft unless

• (a) at the time a visibility report is received, the aircraft has passed the FAF inbound or, where there is no FAF, the point where the final approach course is intercepted;

• (b) the aircraft is on a training flight where a landing is not intended and the appropriate air traffic control unit is informed that a missed approach procedure will be initiated at or above the decision height or minimum descent altitude, as appropriate;

• (c) the RVR is varying between distances less than and greater than the minimum RVR;

• (d) where the aerodrome is located south of the 60th parallel of north latitude and no RVR or runway visibility for the runway of intended approach is available, the ground visibility at the aerodrome where the runway is located is reported to vary between distances less than and greater than the minimum visibility;

• (e) a localized meteorological phenomenon is affecting the ground visibility to the extent that the visibility on the approach to the runway of intended approach and along that runway, as observed by the pilot-in-command in flight and reported immediately to ATS, if available, is equal to or greater than the advisory visibility specified in the Canada Air Pilot in respect of the runway of intended approach for the instrument approach procedure conducted; or

• (f) the approach is conducted in accordance with section 703.41, 704.37 or 705.48.

(4) No pilot-in-command of an IFR aircraft operated under this Part shall commence a non-precision approach, an APV or a CAT I precision approach to an airport where low-visibility procedures are in effect.