General resources


Radio telephony procedures

Speed control


Circumstance Phraseology

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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New rules came into effect from 2 December 2021 that cover the general operating and flight rules. This website is now out of date and will be switched off in the new year. A PDF copy of the VFRG is available for download.
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