Leading American manufacturer GE Aerospace is building the world’s largest jet engine for Boeing’s coming 777X — and it needs a massive plane to test it.
The enginemaker bought a now-32-year-old Boeing 747-400 from Japan Airlines in 2010 to serve as its modern Flying Test Bed, or FTB. It replaced the aging Boeing 747-100 that GE had had since 1992.
The latest FTB, which Business Insider toured at the UK’s Farnborough International Airshow in July, has one main purpose: to test and prove the industry’s newest commercial engines.
Thousands of feet of cables line its cabin, all connecting to test sensors, computer stations, and giant metal boxes…
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