Speeds

The separate digits of the speed followed by the word “KNOTS.” Except, controllers may omit the word “KNOTS” when using speed adjustment procedures; e.g., “REDUCE/INCREASE SPEED TO TWO FIVE ZERO.”

EXAMPLE-

(Speed) 250 two five zero knots (Speed) 190 one niner zero knots

The separate digits of the Mach Number preceded by “Mach.”

EXAMPLE-

(Mach number) 1.5 Mach one point five (Mach number) 0.64 Mach point six four (Mach number) 0.7 Mach point seven