If a communication failure precludes compliance with 3.6.5.1, the aircraft shall comply with the voice communication failure procedures of Annex 10, Volume II, and with such of the following procedures as are appropriate. Note 2.- The requirement for an aircraft to maintain an air-ground voice communication watch remains in effect after CPDLC has been established.ģ.6.5.2 Communication failure. Note 1.- SELCAL or similar automatic signaling devices satisfy the requirement to maintain an air-ground voice communication watch.
See: Remain in VFR Conditions?ģ.6.5.1 An aircraft operated as a controlled flight shall maintain continuous air-ground voice communication watch on the appropriate communication channel of, and establish two-way communication as necessary with, the appropriate air traffic control unit, except as may be prescribed by the appropriate ATS authority in respect of aircraft forming part of aerodrome traffic at a controlled aerodrome. A reader asked about this specifically and one of our friends provided an excellent answer. If anyone has a problem with that, I'll face the consequences when they arrive. I decided a long time ago that I am not going to do that I will execute the procedures under IFR and be as predictable as possible. 14 CFR 91.185 tells us that if we lose communications while in VFR conditions, we should remain in VFR conditions. Oh yes, one more important thing to note. While it would be wrong to say the midair over Brazil by Embraer 135BJ N600XL and Gol Flight 1907 was caused by the American pilots using the wrong lost communications procedure, it is certainly true that the midair would not have happened had they applied ICAO procedures. You almost never hear about airplanes these days going lost comm and having some kind of problem that ends up tragically. If you are leaving your home country tomorrow, you need to make sure your knowledge is up to date. Remember that these are as of the date given at the bottom of the page. Those are listed below, along with a few of the exceptions just to get you started.
#IFR ATC COMMUNICATIONS MANUAL#
If you have a copy of Jeppesen Airways Manual you should have all you need to learn about individual country lost communications procedures, but you need to understand International Standard Procedures first. When it comes to lost communications when in oceanic airspace, things are standard except for an exception in the Pacific. ICAO Doc 7030 - Regional Supplementary Procedures was supposed to have fixed all this, but it did not.
Each country is required to post their differences from the ICAO standard in their individual Aeronautical Information Publication (AIP).
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