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Even for flights with the same origin and destination, a flight's duration can be affected by routing, wind, traffic, taxiing time, or aircraft used. For example, on the Luxembourg to Bucharest route operated by Luxair , the scheduled flight length remains constant while the flight duration varies depending on aircraft used.
Flight scheduled time is another commonly reported figure that refers to the duration of a flight, published by a flight's operator. This is an unrelated/unreliable figure that incorporates further additional variables by airlines to reflect their operations and manage customer expectations that allow for variation in boarding procedures ...
The number of days between two dates, which is simply the difference in their Julian day numbers. The dates of moveable holidays, like Christian Easter (the calculation is known as Computus) followed up by Ascension Thursday and Pentecost or Advent Sundays, or the Jewish Passover, for a given year. Converting a date between different calendars.
A time–distance diagram is a chart with two axes: one for time, the other for location. The units on either axis depend on the type of project: time can be expressed in minutes (for overnight construction of railroad modification projects such as the installation of switches) or years (for large construction projects); the location can be (kilo)meters, or other distinct units (such as ...
The 360-day calendar is a method of measuring durations used in financial markets, in computer models, in ancient literature, and in prophetic literary genres.. It is based on merging the three major calendar systems into one complex clock [citation needed], with the 360-day year derived from the average year of the lunar and the solar: (365.2425 (solar) + 354.3829 (lunar))/2 = 719.6254/2 ...
For example, an over-water flight of longer than a specific duration may require the flight plan to include reserve fuel. The reserve fuel may be planned as extra which is left over on the aircraft at the destination, or it may be assumed to be burned during flight (perhaps due to unaccounted for differences between the actual aircraft and the ...
Flight planning is the process of producing a flight plan to describe a proposed aircraft flight. It involves two safety-critical aspects: fuel calculation, to ensure that the aircraft can safely reach the destination, and compliance with air traffic control requirements, to minimise the risk of
ETOPS test flight. [58] 2017: February 5, 2017: 14,535 km: Boeing 777-200LR: Qatar Airways between Doha and Auckland in 16 hours 10 minutes, formerly the world's longest commercial flight. 2004: February 3, 2004: 14,093 km: Airbus A340-500: Singapore Airlines between Singapore and Los Angeles in 14 hours 42 minutes. [55] 1988: September 17 ...