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No. 41 Squadron | |
AIR | 130 |
GND | 55 |
Sorties | 118 |
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R/T Procedure |
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Call Sign
5. In the event of communication being made with leaders of formations and single aircraft whose individual numbers are not known, the following call signs may be resorteq to, but only when absolutely necessary, bearing in mind at all times that the size of the unit being so called may thereby become known to the enemy:-
Full Procedure - Component Parts of a Message
6. Every R/T message by full procedure is composed of three basic parts :-
7. The Call. To establish initial communication the caller repeats the call sign of the station called. Thereafter, except when reception is bad, call signs are given once only.
8. The Text. The R/T vocabulary, as appended, provides for most needs. In other contingencies the subject matter must be restricted to the minimum consistent with clearness. Messages are acknowledged by the use of "' '"Roger", meaning:-
(Note: "Okay" is not to be used as an acknowledgement.)
9. The Ending.
10. Examples of Messages.
Abbreviated Procedure
11. In abbreviated procedure the "Call" of a full procedure message is omitted when there is no danger of confusion as to the identity of either the caller or the called.ยท In other cases, the call sign of the station called is omitted and the pilot's call sign is abbreviated to his individual number.
12. Examples.
Manual of Fighter Operations, A.P.3200. Air Ministry. April, 1949.
Acknowledgements
17. In acknowledging messages the following points should be borne in mind :-
18. Note that, even in "abbreviated procedure", the word "angels" is repeated in the reply. This is necessary to prevent confusion with a place name.
19. In cases of bad reception, controllers may require aircraft to acknowledge instructions by a full repetition.
Corrections
20. Any misunderstanding is corrected by the caller repeating that part of the message which has been misunderstood prefaced by the word" wrong".
Repetitions
21. When, on account of bad reception, the repetition of the entire message is required, the receiver requests :-
22. When only a portion of the message has been badly received the procedure is as follows :-
Manual of Fighter Operations, A.P.3200. Air Ministry. April, 1949.