JO 7110.65 2-4-8

Use the following format for radio communications with an aircraft:

Sector/position on initial radio contact: Identification of aircraft.

Identification of ATC unit.

Message (if any).

The word “over” if required.

Subsequent radio transmissions from the same sector/position must use the same format, except the identification of the ATC unit may be omitted. TERMINAL. You may omit aircraft identification after initial contact when conducting the final portion of a radar approach.

REFERENCE-

FAA Order JO 7110.65, Para 2-4-20 , Aircraft Identification.