Oh oh oh...
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747-271F for sale, JT9D-70A motors...
Outstanding engines... (provided you NEVER ever deploy reversers).
One reverser cycle = aircraft AOG for next 30 days.
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If you deploy the 4 reversers after landing, might be forced to taxi to ramp backwards.
Not easy to "powerback" with a whale...
I would suggest that specific training, to the crews of your future customer.
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The "Queens" of Seabord World Airlines... in memoriam...
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Happy contrails