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inside mold line IND indicator InHg inch of mercury: INS inertial navigation system: IPC illustrated parts catalog (e.g. by Boeing, Airbus) IR initial release IRS inertial reference system: IRT instrument rating test: IRU inertial reference unit: IRVR instrumented runway visual range: ISA International Standard Atmosphere: ISFD integrated ...
Altimeter reading when subscale set 1013.25 hPa (atmospheric pressure at sea level in the International Standard Atmosphere) [2] QNH: The pressure set on the subscale of the altimeter so that the instrument indicates its height above sea level (the altimeter will read runway elevation when the aircraft is on the runway). [1] Request Leeds QNH
The greater the altitude, the lower the pressure. When a barometer is supplied with a nonlinear calibration so as to indicate altitude, the instrument is a type of altimeter called a pressure altimeter or barometric altimeter. A pressure altimeter is the altimeter found in most aircraft, and skydivers use wrist-mounted versions for similar ...
The altimeter setting used is the ISA sea level pressure of 1013 hPa or (29.92 inHg). The actual surface pressure will vary from this at different locations and times. Therefore, by using a standard pressure setting, every aircraft has the same altimeter setting, and vertical clearance can be maintained during cruise flight. [1]
To help avoid controlled flight into terrain , aircraft use systems such as ground-proximity warning systems (GPWS), which use radar altimeters as a key element. One of the major weaknesses of GPWS is the lack of "look-ahead" information, because it only provides altitude above terrain "look-down".
Click the Downloads folder. 3. Double click the Install_AOL_Desktop icon. 4. Click Run. 5. Click Install Now. 6. Restart your computer to finish the installation.
Anthony Richardson will regain starting quarterback duties for the Indianapolis Colts beginning with this weekend's game against the New York Jets, head coach Shane Steichen announced on Wednesday
The exact definition and reference datum varies according to the context (e.g., aviation, geometry, geographical survey, sport, or atmospheric pressure). Although the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage.