A CBS News data analysis reveals red flags about collision dangers in the airspace around Washington's Reagan National Airport. For a year leading up to January's deadly midair collision, there were close encounters between helicopters and aircraft nearly every day.

Washington

In the year before a fatal collision between an Army Black Hawk helicopter and an American Airlines regional jet at Washington's Reagan National Airport, helicopters came within 500 feet of other aircraft at least 99 times. PSA, the airline operating the ill-fated flight, experienced more close encounters with helicopters than any other airline over a 52-month period. Despite these warning signs, neither the airlines, the Army, nor the FAA had identified the risks leading up to the crash, which killed 67 people. Investigators found that helicopters frequently exceeded altitude limits in the area where the collision occurred. In response, the FAA is developing artificial intelligence tools to help identify such risks in the future.

Warning signs of collision danger before deadly D.C. plane crash

In the year leading up to this tragic moment where an Army Black Hawk helicopter collides with an American Airlines regional jet killing 67 people, helicopters came within 500 feet of other aircraft at least 99 times or about twice a week around Washington's Reagan National Airport. And PSA, the airline operating American Flight 5342, experienced close encounters with helicopters more than four times a week on average over a 52-month period more than any other airline. NTSB Chair Jennifer Homendy last month. Why did it take 67 lives to be lost and families who are just destroyed forever to understand what was occurring? CBS News analyzed data from two FAA studies released as part of the NTSB investigation into the crash, those studies prompting this question to the FAA during last month's investigative hearing. What I'm trying to figure out is how do we not find this out after an accident? None of the airlines had identified any of the risk here. The Army hadn't identified the risk here and we hadn't identified the risk here. In the area where the collision occurred, helicopters were limited to a maximum altitude of 200 feet. But last year, one in every 10 exceeded that limit while flying directly in front of the runway Flight 5342 was about to land on. Former NTSB Chair Robert Sumwalt. And maybe this did become the norm that helicopters and airplanes were routinely operating closely together, so therefore it just looked like noise in the data that people really were not taking it as a serious risk. And as we now know, the risk was unacceptable. The FAA says it's developing new AI tools it hopes will spot patterns like the ones missed over Washington. For CBS Mornings, I'm Chris Van Cleave.

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Ukraine Invasion

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Jerusalem

Middle East Conflict

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London

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Geneva

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Kyiv

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Alaska

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Breakdown