Tourist helicopter hit flock of birds before crashing into the Hudson River last April, NTSB says
NTSB: Tourist Helicopter Hit Flock of Birds Before Hudson River Crash
What Happened That Day
Tourist helicopter hit flock of birds – A tourist helicopter hit flock of birds on April 11, 2025, leading to a tragic crash into the Hudson River. The National Transportation Safety Board has now released detailed findings about the incident involving a Bell 206L-4 aircraft operated by New York Helicopters. The sightseeing flight had departed from lower Manhattan and was circling the Statue of Liberty when it encountered trouble. After traveling north along the river, the aircraft turned southward near the New Jersey shoreline. Suddenly, the helicopter broke apart midair, flipping and spiraling into the water below.
The Smithsonian Institution’s feather identification laboratory helped determine the cause of the disaster. Investigators found that a mixed flock of Brant and Canada Geese struck both the rotor blades and the rear portion of the aircraft. A Great Blackbacked Gull was also hit by flying debris from the tail section, with enough force to mangle the bird and cause its wing to separate. This wing fragment eventually landed on a rooftop alongside other debris from the crash.
Witnesses and Investigation Details
The Smithsonian regularly assists investigators by identifying bird remains—commonly called snarge—following aircraft collisions. Their methodology involved whole and fragmentary feather comparisons with preserved specimens, microscopic examinations of diagnostic characters, and DNA analyses. These techniques helped confirm the bird species involved in the accident.
Bird remains were identified using whole/fragmentary feather comparisons with preserved bird specimens, microscopic examinations of diagnostic characters, and DNA analyses.
Several witnesses provided valuable testimony about the events leading up to the crash. One resident of a nearby apartment complex described seeing the helicopter “fall like a brick” into the water. This witness recalled observing “hundreds of birds” in the area but could not remember their exact altitude. Another witness, jogging along the Hudson River, observed approximately 20 “very big, fat birds” taking flight directly in front of her and heading toward the river. About two minutes later, she heard a loud “bang” overhead, though she did not notice any birds near the helicopter as it disintegrated midair.
Victims and Safety Context
The victims included three children and their parents, both of whom were employed by Siemens, a German multinational technology conglomerate. The pilot also lost his life in the accident. According to NTSB records, the helicopter’s last major inspection took place on March 1, and it had completed seven tour flights earlier on the day of the accident.
The NTSB’s investigative materials span more than 2,000 pages. While these documents do not yet state a probable cause for the crash, a final determination is expected in the NTSB’s concluding report. The agency informed CNN that this report is “likely” to be released by the end of the year.
Wildlife strikes represent a significant concern for aviation safety. Last year, the Federal Aviation Administration’s wildlife strike database recorded over 24,000 incidents of aircraft hitting animals. More than 1,000 of these occurrences happened in New York or New Jersey. The Hudson River has historical significance in this regard, having been the site of one of the most famous crash landings caused by bird strikes. Dubbed the “Miracle on the Hudson,” Captain Chesley “Sully” Sullenberger safely landed US Airways flight 1549 in the river in 2009 after Canadian Geese disabled both engines of his Airbus A320 moments after departing LaGuardia Airport.
The FAA has noted that bird strike reports have increased in recent years due to several factors: growing wildlife populations, more flights, faster and quieter aircraft, and improved reporting methods. Efforts to mitigate these risks include habitat management, detecting and predicting wildlife movements, and implementing strategies to keep animals away from flight paths.