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In an exciting manoeuvre, last Wednesday, Qantas flight 63 took off from Sydney, Australia to Johannesburg, South Africa with five engines on the 747 instead of the usual four. The extra engine was not used to power the flight. It was merely being transported to Johannesburg to be swapped with a defective engine on a 747 which then operated QF64 back to Sydney. I never knew that the 747 could be used in this way. Its wing, apparently, has anchor points under it, which allow for a supporting strut to be attached.  A winching mechanism added to the strut  lifts the extra engine…

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