Engine: Rolls Royce RB211 on British Airways Boeing 747
How Qantas Ferried an Engine on the Wing of a 747 | Flightradar24 Blog
Astro95 Media on Twitter: "The 747-400 has three options for engine type - Rolls Royce RB211, Pratt & Whitney PW4000 and General Electric CF6. #AvGeek https://t.co/DKan57NyDB" / Twitter