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Models Aircrafts > Aircrafts > Boeing Company > Boeing 707 > Boeing 707-420

Boeing 707-420

The 707-420 was identical to the -320 but fitted with Rolls Royce Conway 508 turbofans (or by-pass turbojets as they were known at the time). First announced customer was Lufthansa. BOAC's controversial order was announced six months later but the British carrier got the first service-ready aircraft off the production line. The British Air Registration Board refused to give the aircraft a certificate of airworthiness in the form presented, citing insufficient lateral control, excessive rudder forces and the ability to over rotate on take off, stalling the wing on the ground (a fault of the de Havilland Comet 1). Boeing responded by adding 40 inches to the vertical tail, applying full instead of partial rudder boost and fitting an underfin to prevent over rotation. These modifications became standard on all 707 variants and were retrofitted to all previously built aircraft. The 37 -420s were delivered to BOAC, Lufthansa, Air-India, El Al and Varig through November 1963; Lufthansa was the first to carry passengers, in March 1960.

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Boeing B 707-458 El Al 1980 4X-ATC "1980s" Colors. Tampo Printed.
AeroClassics : ACELY096 \| 1:400 scale \| 240 pieces Worldwide \| read more...

Release date for Boeing 707-420

20021

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