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HEADINGS
• 150 ‘ONE FIVE ZERO’
• 080 ‘ZEROEIGHT ZERO’
• 300 ‘THREE ZERO ZERO’
WINDDIRECTION
• 020° ‘ZERO TWOZERODEGREES’
• 100° ‘ONE ZERO ZERODEGREES’
• 210° ‘TWOONE ZERODEGREES’
WINDSPEEDS
• 70kt ‘SEVEN ZEROKNOTS’
• 18kt, gusting 30 ‘ONEEIGHTKNOTSGUSTINGTHREEZERO’
MACHNUMBER
• 0.84 ‘DECIMALEIGHT FOUR’
ALTIMETERSETTING
• 1000 ‘ONE ZERO ZERO ZERO’
• 1027 ‘ONE ZERO TWOSEVEN’
Note: For the transmission of numbers in aircraft callsigns, refer to
‘FLIGHTNUMBERCALLSIGNS’ (page 65).
STANDARDWORDSANDPHRASES
The followingwords and phrases are to be used in radiotelephony
communications, as appropriate, andhave themeaninggiven:
ACKNOWLEDGE
‘Letme know that you have received andunderstood
themessage.
AFFIRM
Yes.
APPROVED
Permission for proposed actiongranted.
BREAK
I hereby indicate the separation betweenportions
of themessage (to be usedwhere there is no clear
distinction between the text andother portions of the
message).
BREAKBREAK
I hereby indicate separationbetweenmessages
transmitted to different aircraft in a very busy
environment.
CANCEL
Annul the previously transmitted clearance.
words and phrases
1 — RAD I O T E L EPHONY PROCEDURES