Divers are expected to return to the Potomac River on Friday as part of recovery and investigation after the aerial collision has been killed in the United States in a quarter century in the United States due to the most fatal aerial disaster in the United States.
Investigators said that Washington DC staff had landed on Wednesday nights on Wednesday nights, where the Washington DC officials are scrutinizing the widespread factors of the national, so the American Airlines airplane cockpit audio recorder and flight data recorder. It has already been collected. Jennifer Homendy, chairman of the Traffic Safety Commission, is called “all hand -on -on deck events.”
After the helicopter jumped out of the American Airlines jet, the authorities were killed on two aircraft, examining military pilots and air traffic control.
The Air Force collision survey could take several months, and the Federal Investigator told the reporters on Thursday that they did not guess the cause.
The authorities were still looking for a helicopter blackbox recorder, and Secretary of Defense Pete Hegousz said in Fox Newschannel on Friday.
Hegs said that the other factors of the crash, including the altitude of the helicopter and whether the crew was using a night vision goggles, is still being investigated.
At least 28 bodies were pulled out of the Potomac River.
60 passengers and four crew members were transported to the plane, and three soldiers were on a helicopter.
According to a report from the Federal Aviation Bureau acquired by the AP News, one air traffic controller adjusted the traffic of the helicopter when a collision occurred, and was in charge of arrival and departure of the plane when a collision occurred.
These duties are often divided by two people, but airports usually combine roles at 9:30 pm when traffic begins to decelerate.
On Wednesday, Tower's supervisor instructed them to combine them before.
“The configuration of the position was not normal between traffic time and amount,” said the report.
However, those who are familiar with this problem said that the staff of the night was at the normal level.
If the controller needs to leave the console for a break, the position will be regularly combined during the change of the shift or when air traffic is slow, he is anonymous to discuss internal procedures. I will talk about the conditions.
The FAA has long been struggling with the shortage of air control officers.
Authorities said that jet aircraft arrived from Wichita, Kangzas, and as a younger elite figure skater, parents, coaches, and four union team fitter, the flight conditions were clear.
Army Airlines officials said that Helicopter crew, Blackhawk, was “very experienced” and was familiar with crowded flights that occur daily around the city.
Follow the report of NYP's fatal DC airplane collision
“Both pilots had previously flew this specific route at night, and this was not new,” said Jonathan Kodior, Chief of Staff, the Chief of Staff of the Army Airlines.
Codiol said that the maximum permissible altitude of the helicopter at that time was 200 feet (about 60 meters). It was not clear that it had exceeded that limit, but he said that the altitude was a factor in a collision.
Koziol said that the investigator needed to analyze the flight data before concluding the altitude.
The Reagan National Flight was resumed around noon on Thursday.
On November 12, 2001, the CRASH drop was on November 12, 2001, immediately after taking off from Kennedy Airport, a Flight of American Airlines hit a residential area in Bell Haber, New York, all of which were all 5 people on the ground. Since the killing, it has been the most fatal in the United States. 。
The last main and fatal crash involving US commercial airlines occurred near Buffalo, New York in 2009.
All Bombardy DHC-8 Propeller Airplane was killed, one person was killed on the ground, and 50 deaths were 50.
But experts emphasize that traveling on airplanes is overwhelmingly safe.
The National Safety Council presumed that Americans could die in 1993 due to CRASH accident of cars, but deaths on airplanes. Rarely to calculate Odds.
Numerical number Ministry of Transportation Please talk the same.
However, the airspace around Reagan National can challenge even the most experienced pilots, no matter how ideally the conditions are.
They need to navigate hundreds of other commercial aircraft, military aircraft, and restricted areas around sensitive places.
Just 24 hours before the fatal collision, according to the flight tracking site and control log, another regional jet must be avoided after being advised for nearby military helicopters. It was. A few minutes later, we landed safely.




