Rolls Royce Retires Iconic Boeing 747 Engine Testbed N787RR After Two Decades of Cutting-Edge Aviation Innovation
Vintage Aviation News
JULY 27, 2025
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.
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