Everything we know about the Robinson R44 Raven II helicopter that crashed in Houston
The Robinson Helicopter Company R44 Raven II helicopter, the type involved in ... said Brian Rutt, an air safety investigator ...
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5 Helicopter Variants Produced By Robinson Helicopter Company
R44 features cabin enlargement, hydraulically assisted controls, and a reversed tail rotor; also the Raven II variant currently in production. The R66 switches to a Rolls-Royce turboshaft engine. The ...