LOT Polish Airlines Flight 5055 was a scheduled international passenger flight from Warsaw, Poland to New York City, the United States. In the late-morning hours of 9 May 1987, the Ilyushin Il-62M operating the flight crashed in the Kabaty Woods nature reserve on the outskirts of Warsaw around 56 minutes after departure. All 183 passengers and crew on board were killed in the crash, making it the deadliest accident involving an Ilyushin Il-62, and the deadliest aviation disaster in Polish history.

The Ilyushin Il-62 is a Soviet long-range narrow-body jetliner conceived in 1960 by Ilyushin. As successor to the popular turboprop Il-18 and with capacity for almost 200 passengers and crew, the Il-62 was the world's largest jet airliner when first flown in 1963. The seventh quad engined, long-range jet airliner to fly, it was the first such type to be operated by the Soviet Union and a number of allied nations.