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14th July 2007 | 13:33

#3 (permalink)

BOAC

Per Ardua ad Astraeus

Joined: Mar 2000

Posts: 18,575

Likes: 4

From: UK

I believe the figures for 737 are around 200kg (2 pax'ish) extra weight and around 5% better fuel burn. Do your sums and see the cross-over point?

Other benefits are better take-off and better altitude performance.

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