aviation

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Terms for subject Aviation (1801 entries)

network ops	NOPs	MichaelBurov
new engine option	NEO	Alexander Matytsin
night	The period of time during any day that starts at the end of evening civil twilight and ends at the start of morning civil twilight
no gyro approach	A radar approach or vector provided to a pilot when the compass or directional indicator is malfunctioning. Instead of providing the pilot with headings to be flown, the controller observes the radar track and issues the control instructions "Turn right," "Turn left," or "Stop turn," as appropriate.
no radio	An expression describing an inability to communicate by radio owing to the absence or failure of radio equipment
no-compass approach	A radar approach or vector provided to a pilot when the compass or directional indicator is malfunctioning. Instead of providing the pilot with headings to be flown, the controller observes the radar track and issues the control instructions "Turn right," "Turn left," or "Stop turn," as appropriate.
no-transgression zone	A corridor of airspace of defined dimensions, located centrally between the two extended runway centrelines, where controller intervention is required to manoeuvre the non-blundering aircraft when the airspace is penetrated by an aircraft conducting a simultaneous approach to the adjacent parallel or near-parallel instrument runway
non endorsement	non-transferable	4uzhoj
non-ATS operating irregularity	A situation that occurs when ATS are being provided and when a preliminary investigation indicates that a hazardous situation or loss of separation may have occurred and that ATS have not contributed to the situation
non-directional beacon	An LF/MF or UHF radio beacon transmitting non-directional signals whereby the pilot of an aircraft equipped with direction-finding equipment can determine his or her bearing to or from the radio beacon and "home" on or track to or from the station. When the radio beacon is installed in conjunction with the instrument landing system (ILS) marker, it is normally called a marker beacon.
NDB approach	non-directional beacon approach
non-instrument runway	A runway intended for the operation of aircraft using visual approach procedures, or an instrument approach down to a height above aerodrome (HAA) or a height above touchdown zone elevation (HAT) not lower than 500 ft
non-line-of-sight	NLoS	MichaelBurov
non-manoeuvring area	The part of an aerodrome including aprons and all other adjacent areas where ATC aircraft control is not provided
non-precision approach procedure	An instrument approach procedure (IAP) in which only electronic azimuth information is provided. No electronic glide path (GP) information is provided and obstacle assessment in the final segment is based on minimum descent altitude (MDA)
non-precision runway	A runway served by visual aids and non-visual NAVAIDs that provide at least lateral guidance adequate for approach down to a height above aerodromeHAA/height above touchdown (HAT) of 500 ft but not lower than 250 ft
non-radar route	A route on which an aircraft is able to determine its position, track and, consequently, the minimum IFR altitude without the benefit of radar information
non-radar separation	The separation used when aircraft position information is derived from sources other than radar
non-RVSM aircraft	An aircraft that does not meet reduced vertical separation minimum (RVSM) requirements for certification and/or for operator approval
non-standard formation	A formation flight for which, through prior arrangement with ATC, the flight leader has received approval for formation dimensions other than standard ones

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