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J* A330 Tow incident YMML.

Old 6th Jul 2014, 07:40
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J* A330 Tow incident YMML.

It sounds as though a tow-bar-less tug is no guarantee against damaging a nose gear assembly. Rental at the new owners hanger also rumoured to be very expensive though. Has anyone seen the damage?
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Old 6th Jul 2014, 09:41
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Keg

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Angel

Yep. There is a piccie floating around of the tug Jack knifed under the aeroplane.

Word from QF engineering is that the nose gear assembly will definitely need replacing and the mains may need replacing due to the torsional stresses put on the main gear during the Jack knife. That may be QF engineering scuttlebutt though so not sure if the reality.

Just last week I watched a J* tug quite literally hoon around taxiway Tango at the end of the Charlie pier and was very surprised at the speed they were going with an A320 attached. I thought it was the capability of the tug but it appears it may have been more a cultural issue. (There's that word again).

I'll see if I can link the picture somehow. Just need to tidy up a few things.
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Old 6th Jul 2014, 09:44
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Exclamation

Hopefully this works.

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Old 6th Jul 2014, 09:52
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Am I just too cynical?

Out of who's 2015 Financials will this one come out of?

Q or J?
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Old 6th Jul 2014, 10:02
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C'mon Boney - of course the cost is allocated to Q, that's a no-brainer.

Keg, I agree RE the mains - pretty sure they'll be fine, a 25-30kt crosswind landing at 140kt is some real load. As per Bus AMM, NLG is toast.

It is what it is - stuff up of large proportion.
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Old 6th Jul 2014, 10:06
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Ask Tony

Just ask Mike Lowery's brother, he will tell you its world best practice....it is always typical, Jetstar trash something and QF Engineering has to fix it and give it back to them....
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Old 6th Jul 2014, 10:17
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Here's your A330 back, (aren't they handing them over???)
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Old 6th Jul 2014, 10:58
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Insurance mate. Will they claim against those who did this?
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Old 6th Jul 2014, 11:17
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Looks like one of those nasty sports injury clips you see where a weightlifter or long jumper break something that makes you shiver and grimace - just like the tug driver prolly did in this case.
Ouch.....
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Old 6th Jul 2014, 11:25
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Will you guys give it a rest!

Shit happens in aviation. Singapore stuck a dugong into a bridge the other week, QF had a flood. That's life. The Jetstar guys didn't get on here crapping on about their pay freeze and the affect the capital intensive loss making international division has on the rest of the group.

It'll be fixed and returned to service and the QF boys can show how it's done when/if they get in back (if they've still got any destinations left to fly it to).

For now I feel sorry for the tug driver.
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Old 6th Jul 2014, 11:32
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Interesting to know how can a 330 jackknife ? Has the tug skidded under ? What sort of speed is required to do this or has the driver just lost concentration and awareness of the angle he was at ?
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Old 6th Jul 2014, 11:38
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Wonder what would happen if they tried to tow without a bypass pin in this instance (towbarless). I know the gear is obviously off centre in this pic, but it may have settled this way after the hydraulics were turned off.

I see no streamer, but there is not enough clarity to tell.

Last edited by Ngineer; 6th Jul 2014 at 11:54.
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Old 6th Jul 2014, 12:01
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As explained by engineer, - tug and plane going to fast for the corner. Plane continued in original direction, tug and nose gear spun around underneath jet and dragged. Nose gear plus various other bits and pieces stuffed.

The relatively new lift tug is pretty badly buggered too. - and they aren't cheap either.
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Old 6th Jul 2014, 12:06
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Only in Melbourne....
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Old 6th Jul 2014, 12:31
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Agree Blueskymine, funny how it seems only Jetstar seem to have problems, just an easy target for the trolls...
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Old 6th Jul 2014, 14:28
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I thought it was the capability of the tug but it appears it may have been more a cultural issue.
The Effo and I commented the other day about the speed that a wide-body twin was being pushed back at MEL. I can't remember the type or airline but the observation resonates with Keg's thought.
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Old 6th Jul 2014, 14:40
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Sounds like the tug driver had been inured with that great Aussie saying..
"A Quick Job's a Good Job!"

Last edited by Stanwell; 6th Jul 2014 at 14:51.
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Old 6th Jul 2014, 21:28
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Tony Lowery says that Airbusses are protected from issues such as water, heat and mechanical damage
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Old 6th Jul 2014, 22:20
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Saw video of this last night and the aircraft was being towed way in excess of a safe speed required to take the corner.
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Old 7th Jul 2014, 00:10
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My understanding is that these towbarless tugs are approved at speeds up to about 30 kts.

Sure, this incident appears to be proof that it was towed around a corner too fast for the conditions at the time, but I too (as has Keg) have seen towed JQ A320's charging up and down Twy S at speeds that seem quite quick.

Then again, I've taxyied A320s at 30 kts in the past (within A320/A330 FCOM limits) and heard silly comments over the radio - clearly directed at me - that suggested it looked fast too (one pearler was "V1, Rotate" from an anonymous genius). Never had it in A330s, so it must be a 'relativity' thing; a small aircraft looks faster at same speed than a big 'un.

It'd be interesting to see if the engineering provider's SOPs include speed limits when towing around corners.

One other thing that just occurred to me was this; what if they were half way through a corner, and ATC gave them a late direction to stop or hold short of a nearby taxyway - the sudden shift to brakes might cause the whole shooting-match to go pear shaped (try it in a car one day...).
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