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7
4.2
Number pronunciation
ZE-RO, WUN, TOO, TREE, FOW-ER, FIFE, SIX, SEV-EN, AIT, NIN-ER
4.3
Terms frequently used in pilot/controller communications
It is fairly easy to follow the conversation between pilots and air traffic controllers, but some words have
specific meanings that may be different than when used in everyday language. The following terms are
some of them
[2]
:
ABORT− To terminate a preplanned aircraft maneuver; e.g., an aborted takeoff.
ACKNOWLEDGE− Let me know that you have received and understood this message.
BLOCKED− Ind
ication that a radio transmission has been distorted or interrupted due to multiple
simultaneous radio transmissions.
CIRCLE TO RUNWAY (+ RUNWAY NUMBER)− Circle to land because the runway in use is other than the
runway aligned with the instrument approach procedure.
CLEARED (Type of) APPROACH− Authorization to execute a specific instrument approach procedure to an
airport; e.g., “Cleared ILS Runway Three Six Approach.”
CLEARED AS FILED− Cleared to proceed in accordance with the route of flight filed in the
flight plan.
CLEARED FOR TAKEOFF− Authorization to depart.
CLEARED THROUGH− Authorization to make intermediate stops at specified airports without refiling a
flight plan while en-route to the clearance limit.
CLEARED TO LAND− Authorization to land.
CLIMB
TO VFR− Authorization to climb to VFR conditions when the only weather limitation is restricted
visibility. The aircraft must remain clear of clouds while climbing to VFR.
FLIGHT LEVEL− An altitude level of constant atmospheric pressure referenced to a sta
ndard pressure.
Stated in three digits that represent hundreds of feet. For example, flight level (FL) 250 is the altimeter
indication of 25,000 feet.
GO AHEAD− Proceed with your message.
GO AROUND− Instruction
to abandon approach to landing.
HAVE NUMBERS
−
Pilot informing that the runway, wind, and altimeter information have been received.
HEAVY - Aircraft capable of takeoff weights of 300,000 pounds or more whether or not they are operating
at this weight.
IFR (INSTRUMENT FLIGHT RULES)- Rules for conducting instrument flight. Also used to indicate type of
flight plan.
MAYDAY− Distress signal. When repeated three times, it indicates imminent and grave danger and that
immediate assistance is requested.
