Aviation - fuel tank explosions, TWA Flight 800, Concorde, etc., page 2
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reply posted on 5-10-2005 @ 06:05 AM by elpasys


reply posted on 8-10-2005 @ 02:39 AM by elpasys
Originally posted by Freedom_for_sum
Elpasys;

Alright; this is the last time. I've read the official accident report and it does not mention anything about delays, volumetric shutoff, or anything else you've stated here. I'm willing to concede that I may have missed something--but you need to site your source!! Please provide a link. Otherwise, I'm done with this thread.

[edit on 6-10-2005 by Freedom_for_sum]


We are in the US - or in the SU?

NTSB AIRCRAFT ACCIDENT
REPORT
PB2000-910403
NTSB/AAR-00/03
DCA96MA070
In-flight Breakup Over the Atlantic Ocean Trans World Airlines Flight 800
Boeing 747-131, N93119
Near East Moriches, New York
July 17, 1996

Page 31 (49)
"1.6.2.1 Fuel Quantity Indication System . . .
While the accident airplane was being fueled at JFK, the fuel system's automatic VSO activated before the fuel tanks were full. According to postaccident interviews, a TWA mechanic examined the fuel system and [overrode] the system, pull[ed the] volumetric [shutoff valve or VSO] fuse and an overflow circuit breaker. After the fueler finished fueling the airplane manually, the TWA mechanic reset the fuse and circuit breaker. According to the fueler and TWA maintenance personnel, activation of the VSO is a common occurrence. According to maintenance records, the accident airplane had numerous VSO-related maintenance writeups during the weeks before the accident."

etc., etc., . . .


________
[ The End ]
________


[edit on 8-10-2005 by elpasys]


reply posted on 8-10-2005 @ 03:46 AM by Harlequin
Originally posted by elpasys
*snip*

Text



from the very site you linked to:

On Tuesday, 25th July 2000 the very first fatal accident involving Concorde occured with Concorde 203, F-BTSC out bound from Paris to New York. It crashed 60 seconds after take off after suffering tyre blow out that caused a fuel tank to rupture. This started a sequence of events that caused a fire which eventually lead to 2 engines failing and the aircraft crashing.


www.concordesst.com...

the front page from the very same website you linked to - and they STATE it was a tyre blow out , caused by a metal strip on the runway , left behind by a preceeding DC-10

[edit on 8-10-2005 by Harlequin]


reply posted on 17-10-2005 @ 06:40 AM by elpasys
NTSB Report on airliner fuel tank flammability, August 8, 2001.
Statement of NTSB former chairman Carol Carmody:
"The National Transportation Safety Board recommended in December 1996 both design and operational changes, following its finding that TWA flight 800 suffered a fuel tank explosion. The working group's clearly demonstrates the significant benefits to fuel tank safety and the consequent reduction in air transport fatalities provided by inerting. I am disappointed that their cost-benefit analysis leads them not to recommended inerting systems. Dangerous conditions in fuel tanks occur more commonly than had been believed. The Safety Board strongly believes that near-term measures to eliminate flammable fuel tank vapors are necessary and prudent. The recent destruction of a Boeing 737 in Thailand shows that center fuel tank explosions continue to occur, and likely will occur again in the future".



reply posted on 17-10-2005 @ 07:00 AM by kilcoo316
Originally posted by elpasys

NTSB Report on airliner fuel tank flammability, August 8, 2001.
Statement of NTSB former chairman Carol Carmody:
"The National Transportation Safety Board recommended in December 1996 both design and operational changes, following its finding that TWA flight 800 suffered a fuel tank explosion. The working group's clearly demonstrates the significant benefits to fuel tank safety and the consequent reduction in air transport fatalities provided by inerting. I am disappointed that their cost-benefit analysis leads them not to recommended inerting systems. Dangerous conditions in fuel tanks occur more commonly than had been believed. The Safety Board strongly believes that near-term measures to eliminate flammable fuel tank vapors are necessary and prudent. The recent destruction of a Boeing 737 in Thailand shows that center fuel tank explosions continue to occur, and likely will occur again in the future".


www.ntsb.gov...

The working group’s report clearly demonstrates the significant benefits to fuel tank safety and the consequent reduction in air transport fatalities provided by inerting. I am disappointed that their cost-benefit analysis leads them not to recommend inerting systems. We question the factual basis for the cost-benefit analysis presented in the report. I am pleased that the ARAC Executive Committee appears to share our concerns and has requested further clarification of that analysis.

This is an important issue, and the Safety Board recognizes that there may be a number of different ways to counteract fuel tank flammability in the existing fleet. Extensive research into the crash of TWA flight 800 revealed that dangerous conditions in fuel tanks occur more commonly than had been believed, and that there are numerous potential sources of energy to ignite fuel tank vapors. Despite the aviation community’s best efforts, we can never be sure that all possible ignition sources have been eliminated. The Safety Board strongly believes that near-term measures to eliminate flammable fuel tank vapors are necessary and prudent.

The recent destruction of a Boeing 737 in Thailand shows that center fuel tank explosions continue to occur, and likely will occur again in the future. This problem must be addressed if we are to maintain the confidence of the traveling public.



Nothing like selective quoting is there elpasys
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