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Investigators say TWA 800 crash an accident

A makeshift memorial erected in the sand to two crash victims remains standing Tuesday morning, July 23, 1996, a day after a memorial service for victims of TWA Flight 800 at Smith Point Park beach on Fire Island, N.Y. The memorial was placed in the sand by the uncle of Mirko and Monica Miccioli. ((AP Photo/Bruce Cotler))
July 3, 2013 4:40:47 AM PDT
Current and former federal officials who played key roles in the investigation of one of the nation's worst aviation disasters said Tuesday they stand by their conclusion that the explosion of TWA flight 800 was caused by overheated fuel tank vapors, and not a bomb or missile.

The officials spoke to reporters at a briefing on the National Transportation Safety Board's four-year investigation following the explosion and crash of the Boeing 747 off Long Island, N.Y., on July 17, 1996, killing all 230 people on board. The board took the usual step of organizing the briefing on an investigation that has been closed for years. That's in response to a new documentary film set to air this month on the 17th anniversary of the tragedy. The film says new evidence points to the often-discounted theory that a missile strike may have downed the jumbo jet.

The officials who spoke at the briefing dismissed allegations of a cover-up, saying that the evidence points strongly to the board's conclusion that overheated gases in the plane's near-empty fuel tank caused the tank to explode. The gases were most likely ignited by a spark from damaged wiring in a fuel measuring system.

Joseph Kolly, the current director of the board's Office of Research and Engineering, was the chief fire and explosives investigator on the flight 800 investigation. He said he is "absolutely" certain the fuel tank was the cause.

"We went to the 'nth' degree, and then some," he said, laying out the different facets of the investigation. In their search for clues, investigators tested shoulder-fired missiles to see if they would show up on radar and used another 747 to replicate the overheating of fuel tank vapors, among other tests.

"I am upset about bringing this back up, for the sake of the people who lost folks in the accident," Kolly said. "It's not good."

Two family members of those killed attended the briefing.

"I think they did a complete and thorough investigation in the beginning," said Matthew Ziemkiewicz of Rutherford, N.J., whose sister, Jill, was a flight attendant on the plane. "These are old conspiracy theories that have been around since the beginning."

Jim Hurd of Severn, Md., who lost his 29-year-old son, James, said the board's investigation seems "pretty cut and dried as far as I'm concerned."

"But there are still family members who believe it was brought down by a bomb," he said. "I respect that."

Other former NTSB officials involved in the investigation who were not at the briefing have also defended its handling, describing the investigation as one of the most extensive and exhaustive in the board's history. The board issued a 400-page report on the accident, accompanied by more than 17,000 pages of supporting material.

But there have long been doubters. They include three former investigators - one from the NTSB, one from TWA and one from the Air Line Pilots Association - who appear in the film. The former investigators have also signed a petition filed with the NTSB to reconsider reopen the probe.

Kelly Nantel, a spokeswoman for the board, said the board is considering the petition and has asked parties to the original investigation for their comments.

A decision on whether to reopen the investigation will be made by board officials who were not part of the original investigation and were not part of Tuesday's briefing, she said.

One of the former investigators who signed the petition, Hank Hughes, was in charge of reconstructing the interior of the aircraft cabin for NTSB from debris recovered from the ocean. Hughes said the board "completely discounted" the accounts of more than 200 witnesses who say they saw a streak of light heading toward the plane before it broke apart.

Standing in the rain outside the NTSB briefing, Hughes also said the plane's reconstructed fuselage - which reporters were allowed to view after the briefing - has holes consistent with what would be expected from missile shrapnel. Reporters weren't able to see the holes, he said, because they were on the opposite side of the reconstructed plane, facing away from the board's briefing area.

Hughes offered no explanation why his former colleagues would deliberately ignore important evidence.

"As far as motivation, who did what and why, we didn't get into that," he said. "I don't know."

But officials at the briefing and other former NTSB investigators said an examination of witness statements showed that what people thought might be a missile was actually the trajectory of the plane after the fiery explosion, the force of which broke off some pieces of the aircraft while much of the remainder of the plane was propelled up and forward, before plunging into the ocean.

Witnesses "legitimately saw flames coming down and everything else, and explosions, but it occurred after the initial center fuel tank explosion," Tom Haueter, who recently retired as head of NTSB's aviation office and was a senior investigator during the flight 800 investigation, said in an interview.

The documentary airs on the EPIX premium television channel.


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