Optionally piloted vehicle
Able to fly with or without a human crew on board the aircraft, OPVs are a low-cost alternative to UAVs in research, experimentation, and concept exploration, but may also become used in mainstream operations as familiarity with them increases. Unimpeded by a human's physiological limitations, an OPV is able to operate under more adverse conditions and/or for greater endurance times. Retaining on-board controls, the OPV can operate as a conventional aircraft during missions for which direct human control is preferred or desired as an immediate option.
The US Naval Postgraduate School Center for Interdisciplinary Remotely-Piloted Aircraft Studies (CIRPAS) in Monterey, California operates a highly modified Cessna 337, O2, Skymaster OPV. Called Pelican, the OPV provides a low-risk, low-cost test and evaluation alternative to a Predator UAV. The Pelican has also provided UAV support to military exercises which otherwise would not have had access to a real UAV due to cost, availability, or FAA restrictions. The Northrop Grumman Firebird is classified as an OPV. The National Test Pilot School certified an extensivley modified Cessna 150 as an Optionally Piloted Aircraft for use as a training device to aid instruction of flight testing unmanned systems.
- Pelican, Center for Interdisciplinary Remotely-Piloted Aircraft Studies
- Butler, Amy (9 May 2011). "Exclusive: Northrop Unveils Firebird MALE". Aviation Week & Space Technology. Retrieved 9 May 2011.
- Grady, Mary (May 2011). "Scaled's Latest: Pilot-Optional Spyplane". AvWeb. Retrieved 10 May 2011.
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- The future of US Army helicopters: pilots optional - Sean Hollister, Engaget. Posted Apr 28th 2010 7:13AM
- US Air Force Foresees Robotic War By Andrew Koch. Jane's Defence Weekly January 22, 2003.
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