Safety board: Trim tab failure caused Reno Air Races crash
August 28, 2012
RENO – The World War II-era P-51 Mustang hurtled over the race course in Nevada at more than 500 mph, its skin wrinkling and canopy separating from the sheer force of the flight. A crucial tail control fluttered, its screws loosening.
At the stick was 74-year-old pilot Jimmy Leeward who had listed his age as 59 on a race entry form and made changes to his plane to make it fly faster than it ever had before. It did for several seconds before taking a deadly plunge into spectators.
Nearly a year later, and just weeks before organizers stage the race again on Sept. 12, federal investigators on Monday blamed Leeward and his aircraft modifications for the crash.
National Transportation Safety Board member Robert Sumwalt, speaking at a board hearing in Washington, compared Leeward’s decisions to putting a loaded gun to a person’s head.
“If you want to go out and fly fast and try to win, that’s one thing,” he said. “If you’re modifying an aircraft without fully understanding how the modifications can affect the aerodynamics, you’re playing Russian roulette.”
Along with Leeward, 10 people on the ground were killed and more than 70 were hurt in the September 2011 crash.
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Efforts to reach Leeward’s family through their business office in Ocala, Fla., weren’t immediately successful.
According to the NTSB final report, in addition to cutting 15 years from his own age, Leeward failed to report to the Federal Aviation Administration all the modifications that had been made to his 65-year-old aircraft. He also didn’t provide documentation showing they had been tested.
NTSB investigator Clinton Crookshanks said cutting several feet off the aircraft wingspan and other modifications reduced weight and wind resistance. They also weakened the frame and made the aircraft more unstable.
Crookshanks said the aircraft’s high speed and loose screws led to “flutter” and vibration on the crucial tail control that made the plane unstable as it rounded a pylon toward the main grandstand.
As the plane pitched vertically, Leeward had perhaps one second to respond. Investigators said he was probably rendered unconscious by gravitational forces reaching 17 times normal – and far exceeding the levels of human tolerance.
People can begin to experience loss of consciousness at 5G. A photo showed Leeward slumped forward in the cockpit.
NTSB Chairwoman Deborah Hersman blamed the pilot for “operating at the edge of the envelope” without fully reporting and testing modifications to his plane, dubbed the Galloping Ghost.
She said the five-member panel was satisfied that federal aviation officials and race organizers had implemented several preliminary recommendations to improve pilot and spectator safety.
“Innocent bystanders should never have to rely on faith for their safety,” said Hersman, noting that the board is an independent investigative and recommendation body, not a regulator.
The FAA said in a statement Monday that agency officials already were working to address NTSB recommendations with less than three weeks to go before the 49th annual Reno Air Races.
The Reno Air Racing Association Inc. and the National Air-racing Group Inc. balked at requiring pilots to wear flight suits designed to mitigate high gravitational forces.
They said the expensive suits might prove too bulky for cramped cockpits and too hot during competition, and noted that the forces Leeward experienced weren’t normal.
But organizers redesigned the course to add 150 feet of buffer – pushing the distance between racing planes and the permanent grandstand at Reno Stead Airport to at least 1,000 feet.
Racing association chief executive Mike Houghton said race officials decided to make that change while the FAA addresses discrepancies in its regulations regarding whether a 500-foot or 1,000-foot buffer is appropriate.
Pilots this year will undergo new training, and a new tracking procedure aims to ensure that problems cited during aircraft inspections are addressed before aircraft take to the skies.
Houghton and several air racing fans said Monday they were relieved the board didn’t issue new recommendations or call for an end to the only race of its kind in the world.
“There is an element of risk to racing, whether it is in an automobile or a boat or whatever,” Houghton said. “That is part of the thrill that draws the crowd – the ultimate risk and the danger.”
Nineteen pilots died in accidents before last year’s crash.
Hersman noted that the crash was the first involving spectators. It has also spawned civil liability lawsuits against the pilot’s family and mechanics and the host organization.
Valerie Linse, who suffered a wrist injury when she was struck by flying crash debris last year, said her plans to go this year were sidetracked by family obligations. She said her injury required several months of therapy.
“I wish I could be there this year. I’d like to see what things they’re doing differently,” said Linse, a nurse at a Las Vegas veterans hospital near Nellis Air Force Base. “I like the races. I like all of it.
She added: “How often does a crash actually happen?”