Rolls-Royce retires Boeing 747-200 testbed after two decades - Air Data News The Boeing 747-200 Flying Test Bed (FTB), registered as N787RR, has been retired after 20 years of operation as Rolls-Royce’s primary platform for

Rolls-Royce retires Boeing 747-200 testbed after two decades. #Boeing747200 #HeftyBee #Pearl10X #RollsRoyce #testbed #ultrafan www.airdatanews.com/rolls-royce-...