A Robinson R44 Raven II, N996NR, and a Robinson R44 Raven II, N74730, were both substantially damaged when they collided with each other on landing near Parkman, Wyoming. There were no ...
Robinson Helicopter continues to conduct research and development on powering its four-seat R44 Raven II with a diesel engine. Though the helicopter is currently powered by a Lycoming IO-540 fuel ...
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