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Qantas Tows Its Planes...  
User currently offlineAA388 From Puerto Rico, joined Sep 2007, 304 posts, RR: 0
Posted (6 years 6 months 9 hours ago) and read 8316 times:

i remember reading on here that SRB couldn't do the tow the plane to the runway thing because it would mess up the landing gear. well it looks like Qantas can do it
http://www.airliners.net/open.file?i...dth=1200&height=812&sok=&photo_nr=

is it because it is such a short distance??




thx
-max


Flown on A319, A320, A321, A330-200, A340-300, 737-3,5,7,8, 747-400, 757-2,3, 767-300, 777-200
20 replies: All unread, jump to last
 
User currently offlineIkramerica From United States of America, joined May 2005, 21529 posts, RR: 59
Reply 1, posted (6 years 6 months 9 hours ago) and read 8317 times:



Quoting AA388 (Thread starter):
i remember reading on here that SRB couldn't do the tow the plane to the runway thing because it would mess up the landing gear

Honestly, did you even bother to read the thread? It was thoroughly (and overly) discussed. This plane shown is NOT at MTOW, it is being towed to the gate to be loaded and boarded.



Of all the things to worry about... the Wookie has no pants.
User currently offlineAzncsa4qf744er From United States of America, joined Oct 2003, 692 posts, RR: 0
Reply 2, posted (6 years 6 months 9 hours ago) and read 8271 times:



Quoting AA388 (Thread starter):
i remember reading on here that SRB couldn't do the tow the plane to the runway thing because it would mess up the landing gear.

I believed that was with full cargo and passengers. In this case, the aircraft (VH-OJK) is being towed from the MX hanger to the international gate without any cargo or passenger. This is nothing new as long as there is no cargo or passenger on board. The concern from Boeing was it can damaged the noise gear that would also limited the liability of the warranty. At LAX after arrivals and before departure MX would tow the aircrafts either from TBIT or T4 gates to the QF MX hanger and vise-versa for the departures. UA does the same system wide with their aircrafts either going off line from a gate to the hanger or the other way around.


User currently offlineFrancoflier From France, joined Oct 2001, 3762 posts, RR: 11
Reply 3, posted (6 years 6 months 7 hours ago) and read 7960 times:

Positioning aircrafts on the ground from MX - gate - remote bay is an everyday occurence for pretty much all airlines and all aircraft types.


Looks like I picked the wrong week to quit posting...
User currently offlineJetMech From Australia, joined Mar 2006, 2699 posts, RR: 53
Reply 4, posted (6 years 6 months 6 hours ago) and read 7902 times:



Quoting Ikramerica (Reply 1):

To be fair Ikramerica, I did point out in that thread that aircraft are towed around at MTOW at SYD. It is usually not for extended distances, but nonetheless, it happens every day. Sometimes if an aircraft has some sort of failure at start up, it will need to be towed off to a bay for rectification of the defect. Again, this will occur even if the plane is at MTOW.

There is nothing to actually prevent you towing at MTOW. There is certainly enough static strength in the nose gear to do so. However, it is the long term consequences of repeating such manoeuvres that is of concern. If every once in a while you need to tow at MTOW for whatever operational reason, you will do it without too much thought.

Regards, JetMech



JetMech split the back of his pants. He can feel the wind in his hair.
User currently offlineKPHXFlyer From United States of America, joined Mar 2008, 413 posts, RR: 1
Reply 5, posted (6 years 5 months 4 weeks 1 day 10 hours ago) and read 3269 times:

Also at LAX, Southwest will tow a recently landed aircraft into the Gates closest to the World Way N roadway (Gate 1 maybe?). I know because they towed us in the last 150 feet or so on a recent flight.


View Larger Map


User currently offlineGulfstream650 From United Kingdom, joined Mar 2008, 538 posts, RR: 0
Reply 6, posted (6 years 5 months 4 weeks 1 day 9 hours ago) and read 2717 times:



Quoting AA388 (Thread starter):

Max, Boeing said that the gear can be damaged due to the excess stress on the gear. There could be a thousand reasons why this particular 747 is being towed as mentioned above.

Quoting KPHXFlyer (Reply 5):

A 737 is not a 747. I know you know that but we're talking 747s here.



I don't proclaim to be the best pilot in the world but I'm safe
User currently offlineJetdeltamsy From United States of America, joined Nov 2000, 2987 posts, RR: 7
Reply 7, posted (6 years 5 months 4 weeks 1 day 9 hours ago) and read 2648 times:

United totes their 747s around on such carts at ORD every day.


Tired of airline bankruptcies....EA/PA/TW and finally DL.
User currently offlineAA388 From Puerto Rico, joined Sep 2007, 304 posts, RR: 0
Reply 8, posted (6 years 5 months 4 weeks 1 day 9 hours ago) and read 2417 times:

thanks all of you for clarifying. as for the towing a plane at MTOW wouldnt you think that you could put a pin into the landing gear to make it not fold up. i'm not a techie so maybe its not as simple as that.

-max



Flown on A319, A320, A321, A330-200, A340-300, 737-3,5,7,8, 747-400, 757-2,3, 767-300, 777-200
User currently offlineJetMech From Australia, joined Mar 2006, 2699 posts, RR: 53
Reply 9, posted (6 years 5 months 4 weeks 1 day 9 hours ago) and read 2332 times:



Quoting AA388 (Reply 8):
thanks all of you for clarifying. as for the towing a plane at MTOW wouldnt you think that you could put a pin into the landing gear to make it not fold up. i'm not a techie so maybe its not as simple as that.

There are pins that you can put in all the landing gears to prevent retraction, and if you knew beforehand that you were going to tow an appreciable distance, you would fit them. For the departure tow, these pins are not fitted, as it would take too much time to remove them, and they could easily be forgotten. However, these pins will not prevent the gear from collapsing in the case of a structural failure.

Regards, JetMech



JetMech split the back of his pants. He can feel the wind in his hair.
User currently offlineFerret From United States of America, joined Jun 2000, 123 posts, RR: 0
Reply 10, posted (6 years 5 months 4 weeks 1 day 8 hours ago) and read 2283 times:

So based on all the above...and I honestly haven't read the other discussion threads on this lately...what is the status of Virgin's plan to tow out to the runway to "save the planet?"

-------------------------
To quote Homer Simpons: "DOH!"

Never mind:

"Virgin Abandons Plans To Tow Aircraft To Runway"

DUH!
[Edited 2008-03-24 19:10:54]

[Edited 2008-03-24 19:11:52]


Murphy lives here.
User currently offlineFerret From United States of America, joined Jun 2000, 123 posts, RR: 0
Reply 11, posted (6 years 5 months 4 weeks 1 day 8 hours ago) and read 2266 times:

Never mind:


 banghead 

[Edited 2008-03-24 19:12:39]


Murphy lives here.
User currently offlineFrancoflier From France, joined Oct 2001, 3762 posts, RR: 11
Reply 12, posted (6 years 5 months 4 weeks 1 day 8 hours ago) and read 2165 times:



Quoting KPHXFlyer (Reply 5):
Also at LAX, Southwest will tow a recently landed aircraft into the Gates closest to the World Way N roadway (Gate 1 maybe?). I know because they towed us in the last 150 feet or so on a recent flight.

Don't know about Southwest, but at LAX, all heavies are towed into their gates when they park at the Tom Bradley inter'l Terminal. It's a narrow ramp and you'll see all the Jumbos and A346s from Asia stop short of their gate and being towed for the last 200 feet of their trip.



Looks like I picked the wrong week to quit posting...
User currently offlineSTLGph From United States of America, joined Oct 2004, 9367 posts, RR: 26
Reply 13, posted (6 years 5 months 4 weeks 1 day 7 hours ago) and read 2142 times:



Quoting AA388 (Thread starter):

i dont see any pilots in the cockpit ...



if assumptions could fly, airliners.net would be the world's busiest airport
User currently offlineUA772IAD From Australia, joined Jul 2004, 1730 posts, RR: 3
Reply 14, posted (6 years 5 months 4 weeks 1 day 7 hours ago) and read 2141 times:



Quoting Francoflier (Reply 12):
Don't know about Southwest, but at LAX, all heavies are towed into their gates when they park at the Tom Bradley inter'l Terminal. It's a narrow ramp and you'll see all the Jumbos and A346s from Asia stop short of their gate and being towed for the last 200 feet of their trip.

Quite common at SFO's "corner" gates, such as 91 & 92 in the international terminal. Keep in mind though, as you most likely know, these aircraft have little fuel in them, so towing with the weight of passengers, cargo and leftover fuel is not an issue.


User currently offlineJetMech From Australia, joined Mar 2006, 2699 posts, RR: 53
Reply 15, posted (6 years 5 months 4 weeks 1 day 7 hours ago) and read 2116 times:

Quoting STLGph (Reply 13):
i dont see any pilots in the cockpit ...

Judging from the photo, the aircraft is being towed from the QF jetbase over to the international terminal. There would most definitely be an engineer in the cockpit "riding the brakes" as we say. If the towbar should happen the break, it is this engineers job to apply the brakes and halt the aircraft if so directed by the second engineer riding on the back of the tug. I think that glare on the windshield prevents her / him from being visible.

Regards, JetMech

[Edited 2008-03-24 20:24:47]


JetMech split the back of his pants. He can feel the wind in his hair.
User currently offlineAA 777 From United States of America, joined May 2002, 807 posts, RR: 13
Reply 16, posted (6 years 5 months 4 weeks 1 day 6 hours ago) and read 2039 times:
Support Airliners.net - become a First Class Member!

In regards to being pulled into the gate by the tug it happens at many airports where the area is tight and its safer to be pulled in. With AA at LGA there are two gates that require a tow in for anything bigger than a ERJ. D2 and C3 are both tow in.

Im no tech guru (only a pilot), but I'd imagine theres a difference in towing in the last 50 feet verses towing across the airport at a heavy weight etc....



CRJ-700 FO
User currently offlineSTLGph From United States of America, joined Oct 2004, 9367 posts, RR: 26
Reply 17, posted (6 years 5 months 4 weeks 1 day 2 hours ago) and read 1895 times:



Quoting JetMech (Reply 15):

well tell 'em to sit up.



if assumptions could fly, airliners.net would be the world's busiest airport
User currently offlineJetMech From Australia, joined Mar 2006, 2699 posts, RR: 53
Reply 18, posted (6 years 5 months 4 weeks 1 day 2 hours ago) and read 1883 times:



Quoting STLGph (Reply 17):
well tell 'em to sit up.

Yes, but exactly how will any self respecting engineer maintain a persona of cool, mildly detached nonchalance if he or she is forced to sit up and appear interested  Confused .

Regards, JetMech



JetMech split the back of his pants. He can feel the wind in his hair.
User currently offlineSTLGph From United States of America, joined Oct 2004, 9367 posts, RR: 26
Reply 19, posted (6 years 5 months 4 weeks 1 day 2 hours ago) and read 1848 times:



Quoting JetMech (Reply 18):

"don't sell yourself so short judge, you're a tremendous slouch..."



if assumptions could fly, airliners.net would be the world's busiest airport
User currently offlineUA772IAD From Australia, joined Jul 2004, 1730 posts, RR: 3
Reply 20, posted (6 years 5 months 4 weeks 1 day 2 hours ago) and read 1833 times:



Quoting AA 777 (Reply 16):
Im no tech guru (only a pilot), but I'd imagine theres a difference in towing in the last 50 feet verses towing across the airport at a heavy weight etc....

Indeed there are. The only tow equipment that I can think of that is capable of towing around aircraft long distances are the tractors that actually lift the nose gear off the ground, and the tug itself carriers the weight (as opposed to the standard push/pull with a tow bar). They're quite common in Europe, and UA has a few at SFO to tow aircraft between the terminals and the MOC way on the other side of the 10s. I don't know what the max weight limit for these tugs are though.


Forgive me for not searching in the old threads for this. Hopefully someone can answer?

How much fuel/money would be saved from towing to the aircrafts anyways? Those tugs certainly aren't fuel efficient themselves, and I can only imagine how much diesel they would burn pulling a 747 at MTOW 3/4 mile to the active.


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