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ATS Surveillance Service Phraseologies
General phrases AIP GEN 3.4
| Circumstance | Phraseology |
|---|---|
| KEY
Pilot transmission |
|
| 1 Identification of aircraft | (a) Report heading [and flight level (or altitude)] |
| (b) For identification turn left (or right) heading (three digits) | |
| (c) Identified [(position)] | |
| (d) Not identified [reason] [resume (or continue) own navigation] | |
| 2 Termination of ATS surveillance services | (a) Identification terminated [due to (reason)] [(instructions)] [frequency changed approved] |
| (b) Will shortly lose identification (appropriate instructions or information) | |
| (c) Identification lost [reasons] [(instructions)] | |
| 3 ATS surveillance system position information | |
| To request traffic, position and/or navigation information | (a) REQUEST: |
| (i) ATS SURVEILLANCE ASSISTANCE (reason) | |
| (ii) POSITION BY RADAR [with reference to (aid or location)] | |
| (iii) TRAFFIC (or position or navigation) ADVISORY [by surveillance] | |
| (iv) FLIGHT FOLLOWING | |
| To request ongoing SIS | (v) (SPECIFIC ATC SURVEILLANCE SERVICES) |
| To terminate an ongoing SIS | (b) CANCEL FLIGHT FOLLOWING |
| (c) Position (distance) (direction) of (significant point) (or over or abeam (significant point)) | |
| To advise the aircraft’s SSR or ADS-B capability | (a) TRANSPONDER (ALPHA, CHARLIE or SIERRA as shown in the Flight Plan) |
| (b) ADS-B TRANSMITTER [TEN NINETY DATALINK] | |
| (c) ADS-B RECEIVER [TEN NINETY DATALINK] | |
| (d) NEGATIVE TRANSPONDER | |