General resources

General

Radio telephony procedures

Speed control

AIP GEN 3.4

Circumstance Phraseology
KEY

Pilot transmission

1 Speed
(a) SPEED (number) KNOTS (or Mach number)
(b) Report speed or ([climb or cruise] Mach number)
(c) Maintain (number) knots (or Mach (number)) [or greater (or less)] [until (location)]
(d) Maintain present speed
(e) Increase (or reduce) speed to (or by) (number) knots
(f) Reduce to minimum approach speed
(g) Cross (significant point) [at (time)] [at (number) knots]
When aircraft is required to reduce speed to the minimum position in a clean configuration (h) Reduce to minimum clean speed
When ATC speed restrictions no longer apply and the aircraft is required to resume profile speeds in accordance with procedural requirements (i) Resume published speed
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