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14 CFR §97.5
FAR 14 CFR §97.5

Bearings, courses, tracks, headings, radials, miles

Part 97 · Subpart A—General

(a) All bearings, courses, tracks, headings, and radials in this part are magnetic, unless otherwise designated.

(b) RVR values are stated in feet. Other visibility values are stated in statute miles. All other mileages are stated in nautical miles.

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