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Crash at Sharjah airport

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Crash at Sharjah airport

Old 21st Oct 2009, 23:18
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Gazin - I concur, not aware of any B707's with pneumatic leading edges, but always and ever ready to be corrected . . .
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Old 22nd Oct 2009, 02:04
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Not sure that I agree with 411A about the leading edges. On the 320C they are hydraulic powered & mechanically lock in the fully extended position. Hydraulic pressure is required to unlock & retract them.
Opps, Gazin is correct, I was reminded of earlier models...
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Old 22nd Oct 2009, 06:20
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One report in the local press that it was carrying 31 tons of equipment. I don't know if that is considered to be in normal limits for this aircraft - someone will be able to clarify.
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Old 22nd Oct 2009, 06:53
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Not sure any of the B707 family had pneumatic leading edge flaps . . . . did they ?
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Old 22nd Oct 2009, 06:57
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In today's Khaleej Times the Sudanese Consul General to the UAE, Issam Awad Mutwali, was quoted saying:
“The aircraft was not overloaded. Usually they take up to 40 tonnes of cargo and today it was only 31 tonnes. Everything was normal before they took off,”
Ageing cargo plane crashes in Sharjah
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Old 22nd Oct 2009, 07:27
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Not sure any of the B707 family had pneumatic leading edge flaps . . . . did they ?
I believe the -100 series airplanes did, not full span, but between the engines only.

One report in the local press that it was carrying 31 tons of equipment.
Should be possible on that sector.

The plane has turbo compressors to power the airconditioning pacs.
Yes, and...engine bleed air operated those turbocompressors, and further, on some models, T/C's could be swithed OFF and engine bleed air used for pressurisation....poor cabin ventilation, however.
Then again, some older models had vapor cycle airconditioning.
PanAmerican had many of these, both old-style and new-style freon.
Many variations, due to original customer specifications.

Last edited by 411A; 22nd Oct 2009 at 07:44.
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Old 22nd Oct 2009, 07:30
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I flew a bunch of 707's and none of them had pneumatic much of anything let alone flaps. The plane has turbo compressors to power the airconditioning pacs.
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Old 22nd Oct 2009, 08:23
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Double Thread?:

http://www.pprune.org/middle-east/39...-near-shj.html
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Old 22nd Oct 2009, 08:43
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707

All 707 aircraft had hyd leading edges,non had pneumatics.
I have worked on 707`s built in 1959 to some of the last of the line.

Please aviation gents.....they are called flight recorders/voice recorders....
not Black boxes.
After all...we are in the "know"....and not the misinformed uneducated press/media/hollywood
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Old 22nd Oct 2009, 11:18
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LEAFITOUT - Believe you're right, I had the pleasure and the privilege of working on some ex QF -138's at Gatwick in the '70's, they certainly had full span hydraulic leading edge thingies
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Old 22nd Oct 2009, 11:24
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The DC8 had pneumatic L/E devices.
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Old 22nd Oct 2009, 11:27
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.... ex QF -138's at Gatwick in the '70's, they certainly had full span hydraulic leading edge thingies
Full span you say...odd, as I flew -138B's , and ours did not have full span leading edge devices.
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Old 22nd Oct 2009, 11:42
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Security cam movie of the crash.

YouTube - ‫????? ???? ????? ??? ??????? ?? ???????‬‎

Indeed it looks like something fell of the a/c. After take off when she is out of view somthing is falling back to the ground. Flap? Engine?
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Old 22nd Oct 2009, 12:26
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My previous company operated 138's, 227's and 321/51's. If my memory serves, the 100's and 300's (fan powered) had full span led's while the 227's (straight jets) had partial span ones, can't confirm because my ex threw out all my manuals when I came to the UAE.
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Old 22nd Oct 2009, 12:38
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Manada,
If the notam comment was a joke it wasn't funny.
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Old 22nd Oct 2009, 13:14
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L/E devices on a DC-8???
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Old 22nd Oct 2009, 13:25
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411A - Ours did. Spent enough time with my head up the falsework, pretty hard to forget . .
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Old 22nd Oct 2009, 13:32
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L/E devices on a DC-8???
Yes, the DC8 slats were effectively panels in the upper skin that were pulled in pneumatically. They were not visible on a walkaround

Flaps settings were, 5 15, 25, 35, 50 degrees. The slats were over each engine only, not full span, about three feet wide or so.
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Old 22nd Oct 2009, 13:35
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Ahhh yes, slOts that were uncovered, not slAts that extend...
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Old 22nd Oct 2009, 14:48
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KRT Aviation Museum

Looking at the state of most A/C on the tarmac, and surrounding arear of the KRT A/P, it's a wonder any of them get airborne. Sudan Airlines had to ground all their A/C recently after one of their A/C crashed. I beleive they eventually got one A310 to a servicable state. The airport has the appearance of an Aviation Museum for retired A/C.
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