IFR operations: Two-way radio communications failure.

CFR · 2024-01-01 · US · Title 14

(a) (b) (c) (1) (ii) If being radar vectored, by the direct route from the point of radio failure to the fix, route, or airway specified in the vector clearance; (iii) In the absence of an assigned route, by the route that ATC has advised may be expected in a further clearance; or (iv) In the absence of an assigned route or a route that ATC has advised may be expected in a further clearance, by the route filed in the flight plan. (2) (i) The altitude or flight level assigned in the last ATC clearance received; (ii) The minimum altitude (converted, if appropriate, to minimum flight level as prescribed in § 91.121(c)) for IFR operations; or (iii) The altitude or flight level ATC has advised may be expected in a further clearance. (3) (ii) If the clearance limit is not a fix from which an approach begins, leave the clearance limit at the expect-further-clearance time if one has been received, or if none has been received, upon arrival over the clearance limit, and proceed to a fix from which an approach begins and commence descent or descent and approach as close as possible to the estimated time of arrival as calculated from the filed or amended (with ATC) estimated time en route.

official document · source cfr-2024 · id 14:§ 91.185