Use the words or phrases in radiotelephone and interphone communication as contained in the P/CG or, within areas where Controller Pilot Data Link Communications (CPDLC) is in use, the phraseology contained in the applicable CPDLC message set.
The word super must be used as part of the identification in all communications with or about super aircraft.
The word heavy must be used as part of the identification in all communications with or about heavy aircraft.
EN ROUTE. The use of the words super or heavy may be omitted except as follows:
In communications with a terminal facility about super or heavy aircraft operations.
In communications with or about super or heavy aircraft with regard to an airport where the en route center is providing approach control service.
In communications with or about super or heavy aircraft when the separation from a following aircraft may become less than 5 miles by approved procedure.
When issuing traffic advisories.
“United Fifty-Eight Heavy.”
NOTE: Most airlines will use the word “super” or “heavy” following the company prefix and flight number when establishing communications or when changing frequencies within a terminal facility’s area.
When in radio communications with “Air Force One” or “Air Force Two,” do not add the heavy designator to the call sign. State only the call sign “Air Force One/Two” regardless of the type aircraft.