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COLONIAL AIRLINES, INC.

RECOMMENDED RADIO/TELEPHONE PHRASEOLOGY FOR GROUND CONTROLLED APPROACHES

EXAMPLE    EXPLANATION

1. "Langley Radio - This is Army 1234 - Request GCA - Over."     Initial call from aircraft requiring assistance from GCA.

2. "Army 1234 - This is Langley GCA - Altimeter setting two niner niner six - Over."    First transmission from GCA to aircraft.

3. "What is your aircraft type.?"    To determine type of aircraft.

4. "We have you in radar contact - Steer right - Heading wun niner zero and descend to two thousand feet - This will be your downwind leg."    Transmission from GCA to aircraft after control is accepted.

5. "If you lose radio contact in the pattern, (instructions) and contact (facility) on (frequency.)"    Loss of communications procedure while in pattern. (In areas of hazardous terrain reciprocal headings may be necessary.)

6. "Read back headings given."    If pilot fails to repeat back headings. (Same basic transmission is used for failure to repeat back altitude, altimeter setting, etc.)

7. "What is your heading?"    To check heading.

8. "I say again - Steer right - Heading wun niner zero."    If pilot does not acknowledge instructions from GCA

9. "Wrong - I say again - Steer right - Heading wun niner zero."    If pilot repeats an instruction incorrectly.

10. Descend (or climb) to wun thousand fi-yiv hundred."    Instructions as to altitude at which aircraft is to fly.

11. "What is your altitude?"    To check altitude.

12. "Change to Channel George and stand by - Acknowledge."    To change frequency.

13. "How do you hear me?"    To check reception on a new frequency.

14. "Your reply is not received - If you hear Langley GCA steer right - Heading two wun zero."    A small turn is given to determine if aircraft is receiving.

15. "Your turn observed - Will continue instructions - Do not try to answer."    If aircraft is receiving but not heard, (All further instructions will be repeated twice.)