Sorry friend - but I am 747-200 pilot (the real 747) -
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The maneuver described is called a touch and go...
It was common in the days that a barrel of oil was only $15.oo...
Now - all that is done in simulators.
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In my 747-200, we can make a touch and go... provided that -
(1) we dont arm the spoilers -
(2) we have not deployed reversers after touch down -
(3) autobrakes are not armed -
(4) autothrust not used -
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I have done a few in my life - with above conditions as follows...
After touch down, the PNF moves flaps to 20 - and pitch trim to 5 Units
The PF moves thrust levers "UP", then commands "GA POWER" -
The F/E moves thrust levers to GA EPR (or N1) -
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No problems with tailstrikes -
Happy contrails