Procedure For a Two-way Communications Failure

The basic procedure for a two-way communications failure or a reception failure that is assumed a two-way failure is as follows:

1. Continue your flight in accordance with your current flight plan. Maintain your last cruising level given by air traffic control (ATC), or if no level was assigned, then maintain the flight plan level. Select the 7600 transponder code. Continue routine position reports in case your transmissions are still being received by ATC.

2. Arrange your flight to arrive over the arrival holding point as close as possible to your last acknowledged ETA with ATC. Or if you had no ATC-acknowledged ETA, then plan to arrive at the holding point at the calculated ETA computed from the last successful position report and flight plan data. Follow appropriate routes, i.e., STARs, etc.

3. Commence your descent within 10 minutes from over the holding fix at the last acknowledged EAT (estimated approach time) or the calculated ETA.

Note: If unable to start the descent within 10 minutes of the EAT, then do not attempt a landing, and proceed immediately to an alternate. Descend to the lowest level in the holding stack at not less than 500 ft/min, and plan to land within 30 minutes of the time your descent should have started.

4. If you are unable to complete the approach within 30 minutes of the time your descent should have started or you do not become visual at your MDA(H), then you should leave the area of the aerodrome and controlled airspace at your specified route and altitude to your alternate. Or if no altitude or route was specified, fly at either the last assigned altitude or the minimum sector safe altitude, and avoid areas of dense traffic.

Note: If you have to carry out a missed approach within the elapsed 30-minute period, then you can continue.

5. Inform ATC ASAP after landing at your destination or alternate airfield.

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