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Rolls Royce Retires Iconic Boeing 747 Engine Testbed N787RR After Two Decades of Cutting-Edge Aviation Innovation

Vintage Aviation News

Hobbyists noted the unique registration “N787RR” and the unusual configuration with three certified engines on one wing to counter the thrust of the test engine. While it has flown an average of about 25 flights per year, each sortie incurs high support and maintenance costs associated with an almost 45-year-old airframe.

Jet
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Air India 171 Crash Triggered by Fuel Cutoff

Fear of Landing

There were no known defects with the aircraft and the weight and balance were within normal operating limits. This initiates a “re-light and thrust recovery sequence”, that is, the engines should automatically restart and begin producing thrust again. The #1 engine was in the process of spooling up.

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V-Speeds Explained (Vx, Vy, Va, Vs, Vfe, Vmc, Vno, Vne, etc)

Pilot Institute

VLO Maximum landing gear operating speed. VMO Maximum operating limit speed. V1 is where the pilot must take the first action (such as reducing thrust) to stop the aircraft or risk a runway overrun. VLE Maximum landing gear extended speed. VLOF Lift-off speed. VMU Minimum unstick speed. VNE Never-exceed speed.

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Triple Threat of Limitations

Plane and Pilot

Can you fly a zero-thrust, single-engine approach to minimums today? This Plane Has Always Before… Every aircraft, even my 1946 Aeronca Champion, comes with a set of operating limitations. It doesn’t matter how good the pilot is, or how nice the old bird’s running, those limitations are still exactly that—limitations.