仪表飞行术语 Instrument Flight Glossary

时间：2011-08-28 11:47来源：蓝天飞行翻译 作者：航空 点击：次

Standard service volume (SSV). De.nes the limits of the volume of airspace which the VOR serves.
Standard terminal arrival route (STAR). A preplanned IFR ATC arrival procedure published for pilot use in graphic and/or textual form.
STAR. See standard terminal arrival route.
Static longitudinal stability. The aerodynamic pitching moments required to return the aircraft to the equilibrium angle of attack.
Static pressure. Pressure of air that is still, or not moving, measured perpendicular to the surface of the aircraft.
Steep turns. In instrument .ight, any turn greater than standard rate; in visual .ight, anything greater than a 45° bank.
Stepdown fix. The point after which additional descent is permitted within a segment of an IAP.
Strapdown system. An INS in which the accelerometers and gyros are permanently “strapped down” or aligned with the three axes of the aircraft.
Stress. The body’s response to demands placed upon it.
Structural icing. The accumulation of ice on the exterior of the aircraft.
Suction relief valve. A relief valve in an instrument vacuum system required to maintain the correct low pressure inside the instrument case for the proper operation of the gyros.
Synchro. A device used to transmit indications of angular movement or position from one location to another.
Synthetic vision. A realistic display depiction of the aircraft in relation to terrain and flight path.
TAA. See terminal arrival area.
TACAN. See tactical air navigation.
Tactical air navigation (TACAN). An electronic navigation system used by military aircraft, providing both distance and direction information.
TAWS. See terrain awareness and warning system.
TCAS. See traffic alert collision avoidance system.
TCH. See threshold crossing height.
TDZE. See touchdown zone elevation.
TEC. See Tower En Route Control.
Technique. The manner in which procedures are executed.
Temporary flight restriction (TFR). Restriction to . ight imposed in order to:
1.
Protect persons and property in the air or on the surface from an existing or imminent . ight associated hazard;

2.
Provide a safe environment for the operation of disaster relief aircraft;

3.
Prevent an unsafe congestion of sightseeing aircraft above an incident;

4.
Protect the President, Vice President, or other public . gures; and,

5.
Provide a safe environment for space agency

operations. Pilots are expected to check appropriate NOTAMs during .ight planning when conducting .ight in an area where a temporary .ight restriction is in effect.
Tension. Maintaining an excessively strong grip on the control column, usually resulting in an overcontrolled situation.

Terminal Instrument Approach Procedure (TERP).
Prescribes standardized methods for use in designing instrument flight procedures.

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