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Terms for subject Aviation (1801 entries)

rotorcraft	A power-driven heavier-than-air aircraft supported in flight by the reactions of the air on one or more rotors
route description	The unambiguous delineation of a route in terms of an ordered sequence of ATS route designators or significant points
route segment	A part of a route, each end of which is identified by (a) a continental or insular geographical location; or (b) a point at which a definite radio fix can be established
RSC report	Section of the Aircraft Movement Surface Condition Report (AMSCR) which provides runway surface information using a verbal description of the runway condition
RSC/CRFI NOTAM	A NOTAM disseminated to alert pilots to natural winter surface contaminants such as snow, slush, and ice conditions that could affect aircraft braking and other operational performance. Such NOTAMs are considered special series NOTAMs that, because of their short life and significant volume during the winter season, require non-standard handling. Note 1 : This term is derived from the words "Runway Surface Condition/Canadian Runway Friction Index NOTAM." Note 2: This NOTAM may also be issued by a military ATC unit as an RSC/JBI NOTAM.
RSC/JBI NOTAM	A NOTAM disseminated to alert pilots to natural winter surface contaminants such as snow, slush, and ice conditions that could affect aircraft braking and other operational performance. Such NOTAMs are considered special series NOTAMs that, because of their short life and significant volume during the winter season, require non-standard handling. Note 1 : This term is derived from the words "Runway Surface Condition/Canadian Runway Friction Index NOTAM." Note 2: This NOTAM may also be issued by a military ATC unit as an RSC/JBI NOTAM.
runway	A defined rectangular area located on a land aerodrome and prepared for the landing and takeoff runs of aircraft along its length
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