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Terms for subject Aviation (1801 entries)

stopover flight plan	A flight-plan format that, in a single submission, permits the filing of a sequence of VFR flights through interim full-stop destinations to a final destination
stopway	A defined rectangular area on the ground at the end of the runway in the direction of takeoff prepared as a suitable area in which an aeroplane can be stopped in the case of an aborted takeoff
Stores Control Panel	SCP
STOVL	short takeoff and vertical landing	'More
stp	stop
straight-in approach	A VFR approach in which the aircraft enters the aerodrome traffic circuit on the final leg without having executed any other part of the circuit
straight-in approach	An IFR approach in which the aircraft begins the final approach without first having executed a procedure turn
STRATFOR	SAC advisors to Tactical Air Forces
STRF	Strafe
structured airspace	Certain portions of domestic airspace that will be structured for one-way traffic during times of peak traffic. Flight levels (FL) that are inappropriate for the direction of flight may be assigned to this traffic.
subsonic flight	Flight at a speed lower than Mach 1
such termination can not be effected earlier	​	Christ­ine_A
super high frequency	The frequency band between 3 and 30 GHz
supersonic flight	Flight at a speed above Mach 1
Surface Movement Guidance and Control System	Advanced SMGCS	Michae­lBurov
surface weather observation	An aviation weather report describing the weather conditions at a specified location and at a specified time, as observed from the ground. Regular observations are made on the hour, and special observations are made as necessary to report a significant change in the weather.
surveillance	A function of a system that provides identification and accurate position information on aircraft, vehicles and obstacles within the designated area
surveillance approach	An emergency radar approach provided by ATC intended to assist an aircraft in executing an approach and landing
surveillance approach	Military: An instrument approach wherein the air traffic controller issues instructions, for pilot compliance, based on aircraft position in relation to the final approach course (azimuth) and the distance (range) from the end of the runway as displayed on the controller’s radar scope. The controller will provide recommended altitudes on final approach if requested by the pilot.
surveillance radar	Radar equipment used to determine the position of an aircraft in range and azimuth