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kabq737
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Advantages of a pullback vs a pushback?

Thu May 21, 2020 7:25 pm

Hey everybody

I recently came across this video of a Korean Air 747 being pulled back as opposed to pushed back.

https://www.instagram.com/tv/CAZcFofgQf ... b0bzbvxhdh

Is there an advantage to this sort of thing? How common is it?

Kabq737
Been on: 320, 321, 333, 733, 73G, 738, 739, 744, 752, 763, 764, 772, 789, C208, CR7, CR9, BE20, MD83, MD88, MD90, E70, E75, E90, TRIM
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strfyr51
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Re: Advantages of a pullback vs a pushback?

Thu May 21, 2020 8:19 pm

kabq737 wrote:
Hey everybody

I recently came across this video of a Korean Air 747 being pulled back as opposed to pushed back.

https://www.instagram.com/tv/CAZcFofgQf ... b0bzbvxhdh

Is there an advantage to this sort of thing? How common is it?

Kabq737

It depends on what the need is. the 747 can be moved by towing from the front or pushing from the back. The tug driver? Had better know what they're doing though.
I've done it and seen it done both ways. Especially docking into a Hangar with access scaffolding all around it.
 
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fr8mech
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Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 12:29 am

Really, just different technique. As noted, if towing from below, you can get into a tighter space.

I've found that towing from below is a little quicker, and you don't have very much counter steering to get the aircraft where you want it. You just need to be sure you keep the tug pointed between the wing gear, because you no longer have nose gear visibility, depending on how you set up the tug.
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Unless it's expressly prohibited, it's allowed.
You are not entitled to a public safe space.
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kabq737
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Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 2:29 am

That’s interesting thanks for the answers everyone.

Can all aircraft have a tow bar connected from the rear?
Been on: 320, 321, 333, 733, 73G, 738, 739, 744, 752, 763, 764, 772, 789, C208, CR7, CR9, BE20, MD83, MD88, MD90, E70, E75, E90, TRIM
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StereoTechque
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Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 3:15 am

kabq737 wrote:
That’s interesting thanks for the answers everyone.

Can all aircraft have a tow bar connected from the rear?

Nope not all aircrafts have that luxury.
There is a provision on the A320 MLG so that it can be pulled back in case of NLG overrun.
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vikkyvik
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Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 4:26 am

I've never seen this before....kinda crazy!

I'm obviously no expert, but I'd imagine being able to see the nose gear and the airplane, without turning your head back and forth, would be one advantage of a pushback.
I'm watching Jeopardy. The category is worst Madonna songs. "This one from 1987 is terrible".
 
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fr8mech
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Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 4:32 am

vikkyvik wrote:
I've never seen this before....kinda crazy!

I'm obviously no expert, but I'd imagine being able to see the nose gear and the airplane, without turning your head back and forth, would be one advantage of a pushback.


That type of tug can be driven from either end. The way the guy on the video was is doing it was frowned upon by one of my employers. You hooked the aircraft up, then went to the other cab and faced the direction of travel during the actual push.
When seconds count...the police are minutes away.
Unless it's expressly prohibited, it's allowed.
You are not entitled to a public safe space.
Ego Bibere Capulus, Ut Aliis Sit Vivere
 
vikkyvik
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Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 4:34 am

fr8mech wrote:
vikkyvik wrote:
I've never seen this before....kinda crazy!

I'm obviously no expert, but I'd imagine being able to see the nose gear and the airplane, without turning your head back and forth, would be one advantage of a pushback.


That type of tug can be driven from either end. The way the guy on the video was is doing it was frowned upon by one of my employers. You hooked the aircraft up, then went to the other cab and faced the direction of travel during the actual push.


But doesn't that mean you still have to turn around to see the nose gear?
I'm watching Jeopardy. The category is worst Madonna songs. "This one from 1987 is terrible".
 
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fr8mech
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Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 4:46 am

vikkyvik wrote:
But doesn't that mean you still have to turn around to see the nose gear?


Yes. But the spots we used this type of push on...in the hangar area...was a quick turn to a straight back push for a hundred yards or so, then stop and drop the aircraft. Spent almost the entire push looking at the main gear.
When seconds count...the police are minutes away.
Unless it's expressly prohibited, it's allowed.
You are not entitled to a public safe space.
Ego Bibere Capulus, Ut Aliis Sit Vivere
 
vikkyvik
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Joined: Thu Jul 31, 2003 1:58 pm

Re: Advantages of a pullback vs a pushback?

Fri May 22, 2020 2:36 pm

fr8mech wrote:
vikkyvik wrote:
But doesn't that mean you still have to turn around to see the nose gear?


Yes. But the spots we used this type of push on...in the hangar area...was a quick turn to a straight back push for a hundred yards or so, then stop and drop the aircraft. Spent almost the entire push looking at the main gear.


Gotcha, thanks.
I'm watching Jeopardy. The category is worst Madonna songs. "This one from 1987 is terrible".
 
DFW17L
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Re: Advantages of a pullback vs a pushback?

Sun May 24, 2020 5:18 pm

I remember when AA used TRs for “pullback” on the MD80s at DFW. The sequence would start with a momentary forward motion, then you’d hear the TRs engage before starting your pullback. Except for the slight forward motion, it was pretty cool.

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