SERA.14085 Use of blind transmission

(a)When an aircraft fails to establish contact on the designated channel, on the previous channel used or on another channel appropriate to the route, and fails to establish communication with the appropriate ATS unit, other ATS unit or other aircraft using all available means, the aircraft shall transmit its message twice on the designated channel(s), preceded by the phrase ‘TRANSMITTING BLIND’ and, if necessary, include the addressee(s) for which the message is intended.

(b)When an aircraft is unable to establish communication due to receiver failure, it shall transmit reports at the scheduled times, or positions, on the channel in use preceded by the phrase ‘TRANSMITTING BLIND DUE TO RECEIVER FAILURE’. The aircraft shall:

(1)transmit the intended message, following this by a complete repetition;

(2)advise the time of its next intended transmission;

(3)when provided with ATS, transmit information regarding the intention of the pilot-in-command with respect to the continuation of the flight.