Variants
- XH-51A
- four place, three-bladed rotor
- XH-51A Compound
- modified with a four-bladed rotor and stub wings and an auxiliary 2,900 hp Pratt & Whitney J60-2 engine.
- XH-51N
- five place, three-bladed rotor for NASA test purposes.
- Model 286
- five place civilian or military light helicopter offered for sale, none were sold.
Read more about this topic: Lockheed XH-51
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