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Loiter (aeronautics)
Flying for a long time over some small region From Wikipedia, the free encyclopedia
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In aeronautics and aviation, loiter is the phase of flight consisting of flying over some small region.
In general aviation, the loiter phase generally occurs at the end of the flight, when the plane is waiting for clearance to land.[citation needed]
In military flights, such as aerial reconnaissance or ground-attack aircraft, the loiter phase is the time that the aircraft has over a target. Cruise is the time period the aircraft travels to the target and returns after the loiter.[citation needed]
In astronautics, the loiter phase[clarification needed] of spacecraft used for human spaceflight may be as long as six months,[citation needed] as is the case for Soyuz spacecraft which remain docked while expedition crewmembers reside aboard the International Space Station.
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Endurance
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The endurance of the aircraft during the loiter phase is often calculated using the Breguet formula:[1]
where:
- is the endurance (dimensions of Time)
- is the Specific Fuel Consumption (dimensions of 1/Time)
- is the total lift force on the aircraft
- is the total drag force on the aircraft
- is the weight of the aircraft at the start of the phase
- is the weight of the aircraft at the end of the phase
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See also
- Endurance (aeronautics)
- Heathrow arrival stacks, holding patterns in the United Kingdom
- Flight planning
- Holding
References
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