Found parts could reveal what went wrong in crash

CLARENCE, N.Y. (AP) — Investigators have located key components that might help reveal what the pilot did to try to save Flight 3407 during its final desperate seconds, when the plane plunged to the ground so suddenly that sending a mayday was impossible, an investigator said Monday.

After a seemingly routine flight, the airplane endured a 26-second plunge before smashing into a house in icy weather about six miles from Buffalo Niagara International Airport on Thursday night, killing 49 people on the plane and one on the ground.

On Monday, families of the victims visited the site for the first time and placed roses to remember the dead.

National Transportation Safety Board member Steve Chealander said investigators have located the steering column, or yoke; all the propeller blades; five of six deicing valves; and rubber bladders designed to protect the tail from ice.

Though ice has emerged as a possible factor, the cause has remained elusive in part because there was no distress call from the pilot, no mechanical failure has been identified, and the plane was so severely damaged.

The crew had turned on the plane’s deicing system 11 minutes after leaving Newark, N.J. Shortly before the crash, they notified air traffic controllers that they were experiencing significant ice buildup.

Chealander said Sunday that the pilot appeared to ignore recommendations by the NTSB and his employer that the autopilot be turned off in icy conditions. The autopilot remained on until an automatic system warned that a stall could occur, pushed the yoke forward and shut the autopilot off.

Chealander acknowledged that it was possible that the pilot overreacted by yanking the yoke back, further destabilizing the plane, but he said that was one of an almost unlimited number of possibilities.

Kirk Koenig, president of Expert Aviation Consulting of Indianapolis and a commercial aviation pilot for 25 years, said the airplane may have been in a predicament that would challenge even the most experienced pilots.

For example, if ice were forming on the wings, the pilot would want to put the nose of the plane down and increase power; if the icing were on the tail, the opposite would have been required, pulling the nose up and reducing power.

The plane’s deicing system was apparently working, the NTSB has said. That system includes strips of rubberlike material on the wings and tail that expand to break up ice, then contract and expand again to break up new ice.

The victims’ relatives who visited the scene Monday left red roses dangling from temporary fencing and in a semicircle on the ground.

More than 2,000 people, including relatives of the victims, turned out for a community prayer service Monday.

Chealander said half the plane had been removed by Monday, when the engines were lifted by a crane onto the road and studied. He said a preliminary analysis of the engines was “consistent with high-powered flight,” a sign that they were operating properly at the time of the crash.