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Old 20th Feb 2008, 22:20
  #181 (permalink)  
 
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767 probs

Yeah...you shouldn't be too worried about the 767 coming back soon-nobody wants to touch it with a barge-pole(just hi-loaders)LOL!Anyway,once it's fixed,who's to say that the same accident won't happen again?let's hope not!!Still,reading the recent posts,it looks as though GSM might be in for another rough summer.Good luck to all the passengers,the handling agents and the crews-if what's gone before is anything to go by then you're all going to need it!!!
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Old 20th Feb 2008, 22:54
  #182 (permalink)  
 
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Northwest Airlines -Detroit -Frankfurt 4161 miles- regularly operates non-stop on a 757
From airliners.net
"The longest route I have flown on the 757 was a non-stop flight from Orlando to Manchester, with a full passenger load on an Air 2000 757 in 1993. We also has full fuel tanks but it's wasn't really much of a struggle for the plane. The flight time was 7h 41min but we had 9 Tonnes of fuel left on landing out of the 35T we took off with, so plenty of endurance left "
http://www.airliners.net/discussions...da+757#ID66904
" remember once flying a Monarch 757 on a Manchester - Bangor - Orlando then home via the reverse route on a 757. On the way back the tailwind was such that we were able to make it back without the stop "
"Our longest B757 route is the LGW to
CLE leg sched. to 9+15 block time. As I said earler
we have 10+10hrs of fuel on board. So most of the time
it can be made without the fuel stop."

http://forum.keypublishing.co.uk/pri...ad.php?t=67860
"Yesterday's routed via BGR then down to SFB, 6hours to Bangor then another 3 to SFB but the return flight went non-stop to Glasgow in just under 8 hours. "

You wonder why these people feel the need to lie about the so called phantom direct 757 routings.
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Old 21st Feb 2008, 08:02
  #183 (permalink)  
 
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I think non-stop return legs are more common due to prevailing winds.
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Old 21st Feb 2008, 08:46
  #184 (permalink)  
 
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Your non stop examples are all ETOPS & with a following wind.
Can you be certain GSM will resume ETOPS ?
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Old 21st Feb 2008, 09:53
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GW76

Thanks for proving my point.

Give up mate.

Everyone knows the 75 can very occasionally do SFB-UK non-stop.

You were deliberately selective in choosing to quote CO's LGW-CLE as an example. How many GSM 757s have just 174 seats on them a la CO ? Even with that kind of load, quote"most of the time it can be made without the fuel stop."

I suggest you do a trawl around and see how many OSL or TXL - EWR 757 rotations have dropped into Goose or Gander over the last 12 months. You'd be very surprised.
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Old 21st Feb 2008, 12:13
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Also you will find CO block a number of seats out of the 175 total so pax numbers are reduced thus lowering the load. The is prevelant during all winter sked ops.

BCNEWR is 757 ops with a block to block time of 09:30. Todays flight time planned is 08:36
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Old 21st Feb 2008, 16:00
  #187 (permalink)  
 
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GW76..with regards to your post....
The flight time was 7h 41min but we had 9 Tonnes of fuel left on landing out of the 35T we took off with, so plenty of endurance left "
The most fuel I have ever seen loaded in my 4000hrs of flying 757's was 34.2 tonnes...and that was at a fuel temp of about -20C.

You wonder why these people feel the need to lie about the so called phantom direct 757 routings
Because GW76, they are talking crap.....

Heres a simple bit of maths
757 MTOW 113 tonnes
subtract 34 tonnes...which gives you...79 tonnes....now subtract the dry operating weight..which is generally about 60 tonnes..which gives a usefull payload of 19 tonnes or so so around 190 punters
At that weight, and at optimum altitudes the fuel burn AVERAGES 3.8 tonnes per hour, which means tanks dry in around 8hrs and 50 mins.
Got all that?
Now a DIRECT track to SFB ASSUMING no SID's or STAR's is 3566nm, prudence means you plan on 85% of mean winds and further assume an economic cruise mach of .79 or .80 which gives an average ground speed in the region of 420 kts.
420kts/3566nm= 8hrs and 29 mins....before we factor in ANY climb or descent restrictions etc etc.
Therefore you cannot legally operate the flight as you can't carry JAA reserves.
I haven't even considered NAT track restrictions, being assigned an uneconomic cruising level, weather avoidance or NON-ETOP's routings.
An educated and experienced guess tells me that you would need to restrict your payload out of GLA by around 8 tonnes to make the flight even remotely possible.
Hence my comments that you guys are dreaming
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Old 21st Feb 2008, 16:27
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Bearing in mind this route is now premium economy or business class, no cattle class, that should cut down the number of pax I would have thought. Therefore, less weight (pax and bags) so not as much fuel burnt.
Clutching at straws of course, but just a thought.
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Old 21st Feb 2008, 16:41
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Quote from 757manipulator:
'At that weight, and at optimum altitudes the fuel burn AVERAGES 3.8 tonnes per hour, which means tanks dry in around 8hrs and 50 mins.'

Memo to GSM flight planning: Must get a set of those winglets on the 757.

They would add around 30 minutes to the range for a given payload.
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Old 21st Feb 2008, 17:17
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Adding winglets wouldnt matter to GSMs no ETOPS route... Just means they'd push it to Baltimore or somewhere in VA for fuel as opposed further north.

BTW GSM's flight planning have just mastered peeling a banana with their feet. Dont over stress them with technicalities.

757manipulator. Excellent post detailed and accurate. GSM Scot should take a leaf from your book.

Last edited by mm0wkj; 21st Feb 2008 at 17:36.
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Old 21st Feb 2008, 17:24
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The GSM planners are obviously not a patch on the flight-simmers in here....
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Old 21st Feb 2008, 17:30
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GW76.. Now now, that was uncalled for................ Lowering simmers to that level is pushing the bounderies of decency.
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Old 21st Feb 2008, 17:40
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GW76...for the benefit of those of us in the industry who operate this aircraft..please feel free to enlighten us with your insight

A full 757 can do GLA-SFB- full or empty. More likely on the reverse leg though. Would like to see any evidence to the contrary
Cos your dreaming if you think it will do it upwind....
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Old 21st Feb 2008, 18:00
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GW76,

As a B757/B767 pilot - Ditto with 757manipulator

Reduced payload only. Not commercial sense for a low-cost operator. But then is never ceases to amaze me of the amount of times GSM aircraft are scattered around GLA during the day...???
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Old 21st Feb 2008, 21:48
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To JB007 and 757manipulator, I refer you honourable gentlemen to a comment I made some moments ago........

"Don't bother wasting your time and effort with informed advice. Some on here are convinced the 75 will routinely go GLA-SFB non-stop.

What is most shocking is that many on here who claim it can and will are GSM staff.

Show them facts, figures & hard evidence and they react like I do to my phone bill - "I don't believe it...it can't be!"

Ostritch, sand; you get the picture...? "
---------------------------------------------------

Now, don't harangue old GW76 any more, for I fear he may throw what's left of his toys out of the pram.

GW76: The GSM planners are obviously not a patch on the flight-simmers in here....
Would love to see their C.V. entries for the past 18 months...Intentionally left blank....perhaps?

Stoney
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Old 21st Feb 2008, 22:35
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Ive have no real knowledge of 757 operations either way, but just enjoyed creating controversy based on nothing more than a quick google search. I predicted those who would bite- and they didnt let me down. Ill leave it there,good evening
Oh and the implication that I was in some way connected with GSM is a little far off the mark. Something else to raise a chuckle none the less
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Old 22nd Feb 2008, 08:46
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A BIG Congratulations to Globespan this morning. GSM 725 to SFB (via BFS) Left its stand BANG ON SCHEDULE at 09:15.

One in the eye for me as I predicted todays flight wouldnt leave until 09:30.

Good on you GSM, lets keep up the good work...

Now watching the arrival time in SFB.. Due 15:40 and I predicted 17:10. C'mon GSM, even I'm rooting for you to win....
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Old 22nd Feb 2008, 09:13
  #198 (permalink)  

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It's come to this, some are now publically congratulating Globespan for an On Time Departure ...hilarious, they'll be so chuffed!
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Old 22nd Feb 2008, 09:54
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We are looking to fly to Sanford from Glasgow next Feb/Mar 09. I contacted Globespan to find out when they will become available to book and I was told to sign-up for their Newsletter (which I have done) and I'll get notified by e-mail.

Can anyone tell me when they are likely to be on sale.

Cheers,

PD
 
Old 22nd Feb 2008, 11:33
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JB007

'It's come to this, some are now publically congratulating Globespan for an On Time Departure ...hilarious, they'll be so chuffed!'


Its such a rare occurance on their US route it should headlining tonights news...
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