Less than a minute into the demo, the Flarecraft pitched up into the air, crashing on its side in a shower of water and plane parts.
In 1992, a team bankrolled by Tennessee businessman Roy Shoffner and led by Bob Cardin excavated the plane by using hot water to melt a shaft into the ice, hoisting the plane out piece by piece.
The stern wave lifts the vessel, enabling it to plane along the water.
An eyewitness working on the west side of Manhattan said the belly of the plane touched the water first.
Studies of the debris and bodies found soon after the crash led the French agency to conclude the plane hit the water belly first, essentially intact.
Most incredible of all is the size of the Anzani engine - just 25 horsepower, barely enough oomph to carry even a tiny plane across the water.
In a Transportation Safety Board of Canada accident report, investigators said the intoxicated passenger most likely "kicked the pilot's seatback forward and held it there" until the plane hit the water.
Authorities initially said the plane overshot the runway before hitting the water, but Lion Air spokesman Edward Sirait later said that the plane crashed about 50 meters (164 feet) ahead of the runway.
Once the plane was in the water, Smidt said, he called his wife, Karen.
The pilot tried to bring his plane down on the water.
BBC: Dornier 17: Salvaging a rare WWII plane from the seabed
He said it was lucky that the plane landed flat in shallow water rather than nosediving or hitting deep water where it could have quickly been submerged.
But using a park surveyor's map that gave the distance of the wreck from different points on shore, another sonar expert found the plane in 200 feet of water.
The plane came down in fields at Water Newton, near Sibson Airfield at about 14:15 BST on Friday.
By using lightweight aerospace materials like carbon fiber, which has the strength of steel but weighs one-fifth as much, naval architects can design boats that plane across the surface of the water instead of plowing through it.
By using lightweight aerospace materials like carbon fiber, which has the strength of steel but weighs a fifth as much, naval architects can design boats that plane across the surface of the water instead of plowing through it.
Venezuela said it was sending a military plane with food, medicine and drinking water, as well as a team of 50 rescue workers.
The plane's left engine, which detached from the plane, evidently upon impact with the water, was found Wednesday in about 50 feet of water, and recovery is expected sometime Thursday, the NTSB said.
CNN: Investigators find feather, other evidence on downed plane
The biggest plane, called Puma, can land on water or land and is 9 feet across.
When to let a pilot know his landing is aborted requires precision timing--turn him away too soon and, given the nature of aerodynamics, the plane will smash into the deck or the water.
Accessible only by boat or by plane or helicopter, of course these homes take water views to an entirely new level.
As Robbins, 44, and his 15-man crew approach the school--identified earlier by spotter plane--they lower two 40-foot boats into the water.
He was widely praised after Thursday's forced water landing, apparently caused by a "double bird strike, " which crippled the plane's engines.
Officers now provide critical life safety functions during plane incidents, from firefighting and passenger rescue to basic medical support and assisting in water rescues.
But if, for example, the plane had flown into foggy conditions, the crew might have been forced to land on water.
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