The NTSB has not yet determined the exact cause of the deadly crash and said that the investigation is still ongoing.

The National Transportation Safety Board has released its preliminary report on April's Hudson River helicopter crash that killed six people.The six-page report sheds new light on what exactly happened in the crash of the tour helicopter that killed a family of five from Spain,

The helicopter lacked onboard flight data or voice recorders. Investigators noted that the pilot was wearing video-capable sunglasses, but these have not been recovered. The aircraft had undergone its last inspection in February 2025 and had flown approximately 50 hours since then.