The Church of Robinson Helicopter Haters and Shit-Talkers
Gone West: Helicopter Pioneer Frank Robinson
Robinson R44: The Best Selling Civilian Helicopter Yet
Helicopter - Wikipedia
Interstate Helicopters
Helicopter Pioneer Frank Robinson Passes
Aviation Maverick Started Helicopter Company From Scratch - WSJ
Frank Robinson, creator of R22, R44 and R66 helicopters, dies
What are the running costs of a helicopter? Are there rich people
Robinson Archives
Keeping the Legend Alive - Vertical Mag