moment, "Kopernik" was at an altitude of .] (11:14:00) LOT: Runway heading and 650. This was the last transmission from Mikołaj Kopernik. Nine seconds later, the aircraft suddenly entered a steep dive. At 11:14:35, after 26 seconds of uncontrolled descent, the aircraft clipped a tree with its right wing and impacted the ice-covered moat of a 19th-century military fortress at a speed of approximately at a 20-degree down angle, away from the runway threshold and from a residential area. At the last moment Captain Lipowczan, using nothing but the plane's ailerons, managed to avoid hitting a correctional facility for teenagers located at Rozwojowa Street. On impact, the aircraft disintegrated; a large part of the main hull submerged in the moat, while the tail and parts of the main landing gear landed a few meters further, just before the entrance to the fort. On the scene, a diving team was later trying to recover parts of the aircraft (including some of the engines) from the moat, but it was far too murky; ultimately, the moat had to be drained to allow the air crash investigation team to recover parts of the disintegrated plane. The body of Captain Lipowczan was found lying on the street about from the crash site; other bodies were scattered between the plane parts. Among the 87 fatalities were Polish singer Anna Jantar, American ethnomusicologist Alan P. Merriam, six Polish students returning home from an AIESEC conference in New York, and a contingent of the U.S. amateur boxing team (who were scheduled for a series of exhibition fights in Europe instead of the boycotted Summer Olympics.) According to the doctors who arrived at the scene, many of the passengers were apparently asleep when the plane hit the ground, but some of them – including many of the boxers – were supposedly aware that they were about to crash, as they held to their seats so strongly that on impact, the muscles and tendons in their arms became severed. Some reports suggested that some of the boxers actually survived the crash and drowned in the moat, but no evidence for this was presented. A total of 22 U.S. boxers, trainers, and doctors died in the accident (including the 1979 Pan American Games winner light welterweight Lemuel Steeples). A number of Olympic team members were not present due to various pugilistic injuries sustained before the flight or for other reasons,