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Terms for subject Aviation (1835 entries)

runway acceptance rate	The number of aircraft that can land on and depart from a runway consistent with the runway and aerodrome conditions during a specified period of time
runway edge lights	US: Expression for: runway lights
runway end safety area	An area that extends from the end of the runway strip, primarily intended to reduce the risk of damage to an aeroplane undershooting or overrunning the runway
runway excursion	Any occurrence in which an aircraft fails to confine its takeoff, landing or ground manoeuvring to the intended runway. There are two types of runway excursion: overrun and veer-off.
runway gradient	The average slope, measured in percent, between two ends or points on a runway
runway heading	The magnetic or true direction that corresponds with the runway centreline rather than the painted runway numbers
runway identification lights	Lights provided at aerodromes where terrain precludes the installation of approach lights, or where extraneous non-aeronautical lights or the lack of daytime contrast reduces the effectiveness of approach lights
runway in use	Any runway currently being used for takeoff or landing. When multiple runways are used, they are all considered runways in use.
runway incursion	Any occurrence at an aerodrome involving the incorrect presence of an aircraft, vehicle, or person on the protected area of a surface designated for the landing and takeoff of aircraft
runway lights	US: Lights having a prescribed angle of emission used to define the lateral limits of a runway. Runway lights are uniformly spaced at intervals of approximately 200 feet, and the intensity may be controlled or preset.
runway side stripe marking	A marking in the form of a continuous stripe placed along each edge of the runway to provide contrast between the runway edges and the shoulders or the surrounding terrain
runway surface condition report	Section of the Aircraft Movement Surface Condition Report (AMSCR) which provides runway surface information using a verbal description of the runway condition
runway visibility value	In respect of a runway, the maximum horizontal distance (in feet) for the direction of takeoff or landing, as measured by an automated visual landing distance system and reported by an ATC unit or an FSS, at which the runway, or the lights or markers delineating it, can be seen from a point above its centreline at a height corresponding to the average eye level of pilots at touchdown
runway visual range	In respect of a runway, the maximum horizontal distance (in feet) for the direction of takeoff or landing, as measured by an automated visual landing distance system and reported by an ATC unit or an FSS, at which the runway, or the lights or markers delineating it, can be seen from a point above its centreline at a height corresponding to the average eye level of pilots at touchdown
runway-holding position	A designated position intended to protect a runway, an obstacle limitation surface, or an ILS/MLS critical/sensitive area at which taxiing aircraft and vehicles shall stop and hold, unless otherwise authorized by the aerodrome control tower
runway-holding position marking	A marking displayed at runway holding positions leading to taxiway/runway or runway/runway intersections where one runway forms part of a standard taxi-route
RVSM aircraft	An aircraft that meets reduced vertical separation minimum (RVSM) requirements for certification and for operator approval
S and D	Search and Destroy
s.c.	supercritical	bonly
SA-6 gainful missile	A SAM designed in 1967, and launched from SAM sites against aircraft flying at medium heights