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The anatomy of a commercial flight – all you ever wanted to know: Part one  

Aerotime

Before departure Once you are onboard and safely seated, there will already be a rush of activity going on in the cabin around you. With all ground personnel off the aircraft, you will hear the familiar call over the aircraft’s public address (PA) system: “ Crew, arm the doors and cross-check ”.

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Wingtip Vortices and Wake Turbulence

Pilot Institute

When the aircraft encounters a vortex and its strong enough to induce roll, the pilot counters it by using the ailerons against the roll and tries to fly out of the wake as soon as possible. If the aircrafts wingspan is long enough, its ailerons will extend beyond the vortex diameter, and counter control would still be possible.

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35 years ago: How a United Airlines crew landed an ‘unflyable’ DC-10

Aerotime

The primary flight controls on the DC-10 (ailerons, rudder, elevators, spoilers) were all operated by hydraulic pressure and the first officer was quick to realize that his controls were unresponsive to his inputs. On checking the hydraulic fluid pressure and quantity gauges, he noticed that they all read zero.

Runway 294