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In aviation and aviation meteorology, a flight level ( FL) is an aircraft's altitude at standard air pressure, expressed in hundreds of feet.
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Poziom lotu ( ang. Flight level) – powierzchnia baryczna o określonym ciśnieniu oddzielona od innych takich powierzchni o określoną różnicę ciśnienia i odniesiona do specyficznej wartości ciśnienia zwanego ciśnieniem standardowym o wartości 1013,25 hPa (760 mm Hg).
A Flight Level ( FL) is a standard nominal altitude of an aircraft, in hundreds of feet. This altitude is calculated from a world-wide fixed pressure datum of 1013.25 hPa (29.921 inHg ), the average sea-level pressure, and therefore is not necessarily the same as the aircraft's true altitude either above mean sea level or above ground level.
The Persian Encyclopedia ( Persian: دایرةالمعارف فارسی; Romanized as Dāyerat-ol-ma'āref-e Fārsi) is one of the most comprehensive and authoritative Encyclopedias written in Persian. It is a two-volume encyclopedia published as three physical volumes.
In-flight advisory given over 126.7 AIXM Aeronautical information exchange model ALC Automatic level control ALI Airworthiness Limitation Item ALNA Airline network architecture ALS Approach lighting system: ALT 1: Alternate ALT 2: Altimeter: ALT 3: Altitude: ALT hold Altitude hold mode ALTS Altitude select ALUM Aluminum AMC Acceptable Means of ...
In aviation, the rule of three or "3:1 rule of descent" is a rule of thumb that 3 nautical miles (5.6 km) of travel should be allowed for every 1,000 feet (300 m) of descent. For example, a descent from flight level 350 would require approximately 35x3=105 nautical miles.
