- published: 21 Nov 2011
- views: 524797
In aviation, pushback is an airport procedure during which an aircraft is pushed backwards away from an airport gate by external power. Pushbacks are carried out by special, low-profile vehicles called pushback tractors or tugs.
Although many aircraft can also move backwards on the ground using reverse thrust (a procedure referred to as a powerback), the resulting jet blast or prop wash may cause damage to the terminal building or equipment. Engines close to the ground may also blow sand and debris forward and then suck it in to the engine, causing damage to the engine. A pushback using a tractor is therefore the preferred method to move the aircraft away from the gate.
Pushbacks at busy aerodromes are usually subject to ground control clearance to facilitate ground movement on taxiways. Once clearance is obtained, the pilot will communicate with the pushback tractor driver (or a ground handler walking alongside the aircraft in some cases) to start the pushback. To communicate, a headset may be connected near the nose gear.
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Watch me drive my bushpig
Watch me part the pines
Four by four couldn't take more
Any hill to climb
Drive her with a split shift
Drive her up a tree
My desert dog's a big fat hog
When you drive with me
Put her into overdrive
Put her in the ditch
My skid plate sure works great
When I use my winch
Fast and clean
Raw and mean
Love my bushpig, drive her everyday
Love my bushpig, gotta have my way
Ride her through the deep dark woods
Ride through all terrain
Chuggin' and crawlin' ain't no stalling
With my cleveland power train
Crank it with her mudders
Crank it double time
If you can't find it you can grind it
Fourwheelin' ain't no crime
Turn up the dirt
Down with her skirt
Takin' the hill
Just for the thrill
Love my bushpig, when I have my way
Ain't nothing like this big fat pig
There's nothing she won't do
She'll do it fast and make it last
And won't be through with you
Take you where you wanna go
Anytime of day
Between the blanket hot to spank it
That's all I've gotta say
Fast and clean
Raw and mean
Love my bushpig, do it everyday