The airport reference point, shown on Thompson Airport Zoning Plan No. E.2647 dated June 7, 1988, is a point lying perpendicularly distant 91.45 m northwesterly from a point on the centre line of runway 05-23 distant southwesterly 655.52 m from the threshold of runway 23.

At the present time, many smaller northern airports would derive full benefit from improved GPS approaches only if they can install adequate runway lighting and an appropriate aerodrome survey that includes the approach and departure areas of all runways.

(b) an inclined plane abutting the displaced threshold, being a threshold not located at the end of the runway, associated with the approach to runway 30 having a ratio of 1 m measured vertically to 40 m measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 3 000 m measured horizontally from the displaced threshold; the outer ends of the imaginary horizontal line being 525 m from the projected centre line; said imaginary horizontal line being 75 m above the elevation at the end of the strip.

The airport reference point, shown on Tuktoyaktuk Airport Zoning Plan No. E.3029, dated April 14, 1994, is a point located on the centre line of runway 09-27 distant 702 m from the displaced threshold of runway 09.

The perimeter fence and adjacent areas to security restricted areas, other airside areas outside this fence, including those in the immediate vicinity of the runway threshold and taxiways, shall be subjected to surveillance by patrols, closed circuit television or other monitoring measures.

(c) The perimeter fence and adjacent areas to security restricted areas, other airside areas outside this fence, including those in the immediate vicinity of the runway threshold and taxiways, shall be subjected to surveillance by patrols, closed circuit television or other monitoring measures.