In aviation, a flight level (FL) is an aircraft's altitude as determined by a pressure altimeter using the International Standard Atmosphere. It is expressed...

Malaysia Airlines Flight 370 (MH370/MAS370) was an international passenger flight operated by Malaysia Airlines that disappeared from radar on 8 March...

as the standard sea level at which atmospheric pressure is measured to calibrate altitude and, consequently, aircraft flight levels. A common and relatively...

kilometers) wide, and the airway flight levels keep aircraft separated by at least 1000 vertical feet from aircraft on the flight level above and below. Airways...

Flight 007 (KE007/KAL007) was a scheduled Korean Air Lines flight from New York City to Seoul via Anchorage, Alaska. On September 1, 1983, the flight...

National Oceanography Centre. Retrieved 31 January 2024. "Altitude, Flight Level and Height". SKYbrary Aviation Safety. Retrieved 31 January 2024. "TOWAIR...

flight level 260 (26,000 ft (7,900 m)) to flight level 320 (32,000 ft (9,800 m)). Flight 611 requested permission to continue the climb to flight level 360...

middle-sector controller Bojan Erjavec asking for a higher flight level; the aircraft was at flight level 260 (approximately 26,000 feet (7,900 m)). FL280 (28...

International Airport, Honolulu, Hawaii. During level cruise flight shortly before beginning a descent from flight level 360 (roughly 36,000 feet or 11,000 meters)...

flight crew quickly determined that the aircraft was capable of gliding for 23 minutes and covering 91 nautical miles (169 km) from its flight level of...

September 2006, Gol Transportes Aéreos Flight 1907, a Boeing 737-800 on a scheduled domestic passenger flight from Manaus, Brazil, to Brasília and Rio...

separation required between aircraft flying between flight level 290 (29,000 ft) and flight level 410 (41,000 ft). Expressed in the International System...

The accident occurred when KLM Flight 4805 initiated its takeoff run in dense fog, colliding with the rear of Pan Am Flight 1736 still on the runway. The...

Malaysia Airlines Flight 17 (MH17/MAS17) was a scheduled passenger flight from Amsterdam to Kuala Lumpur that was shot down by Russian-backed forces with...

documentaries—his most recent, Flight Level Seven Four and Still Climbing, an account of the solo cross-country flight he made in his light sport aircraft...

at Delhi and Beirut, and was en route to another stop at Geneva. At flight level 190 (19,000 feet; 5,800 m), the crew was instructed to descend for Geneva...

to Heathrow on 4 November 1967, the Caravelle descended far below the flight level assigned to it and flew into the southern slope of Blackdown Hill in...

routine flight to take off at a higher weight, consume fuel en route, and arrive at a lower weight. It is an abnormal, non-routine flight where landing...

Alaska Airlines Flight 261 was an Alaska Airlines flight of a McDonnell Douglas MD-80 series aircraft that crashed into the Pacific Ocean on January 31...

gives pressure altitude and is used to maintain one of the standard flight levels. The setting of a sensitive pressure altimeter is shown in the Kollsman...

South African Airways Flight 295 (SA295/SAA295) was a scheduled international passenger flight from Chiang Kai-shek International Airport, Taipei, Taiwan...

Santiago. LATAM Airlines Flight 800 departed from Sydney Airport at 11:44 AEDT (00:44 UTC), climbing to cruise at flight level 410 (approximately 41,000 ft...

EgyptAir Flight 804 was a regularly scheduled international passenger flight from Paris Charles de Gaulle Airport to Cairo International Airport, operated...

Qantas Flight 72 (QF72) was a scheduled flight from Singapore Changi Airport to Perth Airport by an Airbus A330. On 7 October 2008, the flight made an...

conditions. Class A airspace extends from 18,000 feet above mean sea level to flight level 600 (60,000 feet pressure altitude) above the contiguous 48 United...

over half an hour after takeoff, cruising at flight level 390 (about 39,000 ft (12,000 m) above sea level), the electronic centralized aircraft monitoring...

LOT Polish Airlines Flight 5055 was a scheduled international passenger flight from Warsaw to New York City. In the late-morning hours of 9 May 1987, the...

first leg of the flight. At 2,500 feet (760 m), the flight switched to main air traffic control and was instructed to climb to flight level 280 (28,000 ft...

Daylight Time (CDT). The flight plan from Little Rock to Minneapolis indicated a planned cruising altitude of Flight Level (FL) 330, or about 33,000...

is typically measured relative to mean sea level or above ground level to ensure safe navigation and flight operations. In geometry and geographical surveys...