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1985 JAL 747SP Crash  
User currently offlineBlah From Australia, joined Dec 2008, 0 posts, RR: 0
Posted (14 years 9 months 3 weeks 5 days 15 hours ago) and read 2462 times:

Does anyone know any good sources of information for the crash of the Japan Airlines 747SP in 1985?

Thanks,
blah

7 replies: All unread, jump to last
 
User currently offlinePilot1113 From United States of America, joined Aug 1999, 2333 posts, RR: 11
Reply 1, posted (14 years 9 months 3 weeks 5 days 15 hours ago) and read 2387 times:

http://www.airdisaster.com

I hope this helps!

- Neil Harrison


User currently offlineKaitak From Ireland, joined Aug 1999, 12438 posts, RR: 37
Reply 2, posted (14 years 9 months 3 weeks 5 days 15 hours ago) and read 2376 times:

It was actually a 747SR-46, which had the standard 747 body. It was involved in a tailstrike in Osaka in 1978. It was repaired incorrectly by Boeing, through the use of single instead of double rivets on the rear pressure bulkhead.
The aircraft took off on the 12/8/85, operating JL123 to Osaka from Haneda. Its rear pressure bulkhead failed and despite the best efforts of the crew, the loss of hydraulic power was such that the aircraft became uncontrollable and eventually ploughed into Mt. Osutaka, in a mountain range which was actually only about 30-40 miles east of HND, across Tokyo Bay. 520 died and 4 survived.

A Boeing metal expert subsequently discovered in tests that the number of cycles flown in a simulation, based on the repair carried out was almost exactly the same as that flown by the 747 since the Osaka incident.


User currently offlineSkylinepigeon From , joined Dec 1969, posts, RR:
Reply 3, posted (14 years 9 months 3 weeks 5 days 12 hours ago) and read 2374 times:

The JL123 accident is thoroughly analysed, along with other airline crashes between 1977 and 1991, in Air Disaster Volume 2 by Macarthur Job. This is published by Aerospace Publications Pty Ltd of Australia, ref. no ISBN 1 875671 19 6. This book (along with Volumes 1 & 3) is highly recommended.

User currently offlineAmerican 767 From United States of America, joined May 1999, 3761 posts, RR: 12
Reply 4, posted (14 years 9 months 3 weeks 5 days 11 hours ago) and read 2357 times:
AIRLINERS.NET CREW
FORUM MODERATOR

Kaitak is right. Like he explained, the disaster was due to a bulk pressure loss as well as hydraulic power loss which made the crew unable to control the aircraft. The plane involved was a 747SR-46. It was a 747-100SR, 46 is Japan Airlines's customer number at Boeing. JAL has never had any 747-SP.

Ben Soriano
Brussels Belgium



Ben Soriano
User currently offlineBlah From Australia, joined Dec 2008, 0 posts, RR: 0
Reply 5, posted (14 years 9 months 3 weeks 5 days 11 hours ago) and read 2354 times:

Sorry about the misnomer, I accidently put 747SP instead of 747SR. Thanks to all for their input.

with humble regards
blah


User currently offlineBlah From Australia, joined Dec 2008, 0 posts, RR: 0
Reply 6, posted (14 years 9 months 3 weeks 5 days 11 hours ago) and read 2352 times:

Thanks for the source Skylinepigeon. I was wondering if you knew how in depth this book is. I am in need of some fairly technical information. I checked out a website that sold this book, and it is a reasonable price, so if you can tell me a little more about it, I'll probably buy it.

Thanks,
blah


User currently offlineCedarjet From United Kingdom, joined May 1999, 8093 posts, RR: 54
Reply 7, posted (14 years 9 months 3 weeks 5 days 11 hours ago) and read 2353 times:

The technical detail in Job's books is astonishing. They are three of the most fascinating books you will ever read about aviation. If you buy three books about aviation this year, make it these ones.


fly Saha Air 707s daily from Tehran's downtown Mehrabad to Mashhad, Kish Island and Ahwaz
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