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US probes near-miss between Southwest Airlines jet, helicopter

The U.S. National Transportation Safety Board announced on Sunday that it will send a team to Ohio to investigate a close call between an Southwest Airlines jet and medical helicopter on October 29, near Cleveland International Airport.

The NTSB stated that the two aircraft lost separation - which means they were closer than the minimum distance required - as Southwest Flight 1333 made its final approach to Baltimore-Washington International Thurgood Marshall Airport.

Southwest's pilot aborted the landing. Southwest reported that the Boeing 737 landed successfully a few minutes later.

NTSB or Southwest have not disclosed the number of passengers on board the aircraft. According to the way the helicopter identified itself, it appears that the helicopter was transporting a passenger at the moment of the accident.

Southwest Airlines said in a Sunday statement that it "appreciates our crew's professionalism in dealing with the situation." We will cooperate with the National Transportation Safety Board in the investigation.

A representative of the medical transport company didn't immediately respond to an inquiry for comment.

The mid-air collision on January 29, between an American Airlines regional plane and a U.S. Army chopper outside Ronald Reagan Washington National Airport in the U.S. Capital, killed 67 people and raised alarm over close calls between commercial aircraft and helicopters.

Flightradar24, an aviation tracking website, said that air traffic control audio and tracking flight showed that in the Cleveland incident the Southwest plane had to divert from its original course in order to avoid the Eurocopter that was passing directly in front of it. The site reported that both aircraft were at a height of 2,075 feet (632 metres) at one time and were only 0.56 miles away (0.9 km) from each other.

According to Flightradar24, an air traffic controller requested that the medical helicopter go behind other flights in the area of the airport. The helicopter pilot replied "it would be better if it could go above and in front if it can" and the controller agreed.

According to two people who were briefed about the issue, the Southwest captain stated in a report sent to the Federal Aviation Administration (FAA) that the incident was "extremely near" and needed immediate action to prevent a collision. Last month, the FAA announced that it would modify helicopter routes near BWI International Airport and Washington Dulles International Airport in order to create buffer zones following the January crash. This also applies at Reagan.

U.S. lawmakers, as well as NTSB investigators, have criticized the FAA for not acting on reports of near miss incidents prior to the collision that occurred on January 29, 2009. At the time of crash, the Army Black Hawk helicopter had exceeded the maximum permissible altitude. Both the helicopter as well as the airliner crashed in the Potomac River. The FAA banned the Army in May from flying helicopters close to the Pentagon following a near-miss on May 1, which forced two civilian planes into aborted landings.

In March, the NTSB reported that between 2021 and now there have been 15,200 incidents of loss of separation air near Reagan between helicopters and commercial aircraft. This includes 85 close calls.

(source: Reuters)