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Terms for subject Aviation (1801 entries)

"Have numbers"	An expression used by pilots to indicate that they have received runway, wind and altimeter information only
"Heavy"	An expression used in radiocommunications to indicate that an aircraft is certified for a maximum take- off weight of 136 000 kg (300 000 lb) or more
"Hold short"	Instructions to hold at least 200 ft from the edge of a runway while awaiting permission to cross or proceed onto a runway, unless other holding positions are established by the aerodrome operator
"How do you read?"	An expression used in radiocommunication meaning "What is the readability of my transmission?"
"Line up ..."	Expression used in radiocommunications to instruct a pilot to enter the runway intended for takeoff
"Line up and wait..."	Expression used in radiocommunications to instruct a pilot to enter the runway intended for takeoff and to wait
"Maintain..."	Concerning altitude or flight level (FL) an expression meaning "Remain at level specified"
"Maintain..."	Concerning other ATC instructions, the term is used in its literal sense; e.g., "Maintain VFR".
"Make short approach"	An expression used by ATC to ask a pilot to shorten his or her aerodrome traffic circuit
"Mayday"	An expression meaning "I am in distress." It is the international radiotelephony distress signal. Preferably spoken three times, it indicates imminent and grave danger and means that immediate assistance is requested.
"Monitor"	An expression used in radiocommunication meaning "Listen out on (frequency)
"Negative"	An expression used in radiocommunication meaning "No," "Permission not granted," or "That is not correct."
"on-course" indication	An indication on an instrument that provides the pilot with a visual means of determining that the aircraft is located on the centreline of a given navigational track, or an indication on a radar scope that an aircraft is on a given track
"Orbit"	An expression used by controllers when issuing an instruction to hold
"Out"	An expression used in radiocommunication meaning "This exchange of transmissions is ended and no response is expected."
"Over"	An expression used in radiocommunication meaning "My transmission is ended, and I expect a response from you."
"PAN PAN"	The international radiotelephony urgency signal. Preferably spoken three times, it indicates a condition that concerns the safety of an aircraft or another vehicle, or of some person on board or within sight, but that does not require immediate assistance.
"Pull up and go around"	An instruction given to the pilot by ATC when, in the controller's judgment, the aircraft landing procedure cannot safely be continued to touchdown
"Radar contact"	An expression used by ATC to inform the pilot of an aircraft when radar identification is established
"Radar identified"	An expression used by ATC to inform the pilot of an aircraft when radar identification is established