3 fatalities

Midair Collision Over Hudson River Near Tappan Zee Bridge Kills Five (N59825)

Grand View-On-Hudson, United States of AmericaFlight

On December 4, 1976, a Piper PA-31-350 Navajo Chieftain (registration N59825) operated by Baltimore Contractors was involved in an aviation accident near Grand View-On-Hudson, United States of America in flight. 3 people were killed. Investigators recorded the probable cause as: In-flight collision after the pilot failed to see and avoid other aircraft. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary report: the U.S. National Transportation Safety Board (NTSB) historical archive (1962-1981)Updated 2026-07-04Data APIEditorial standards

Two aircraft collided midair over the Hudson River near the Tappan Zee Bridge, resulting in the destruction of both planes and the deaths of all five occupants.

Incident Overview

A twin-engine airplane en route from Philadelphia to White Plains, carrying three people, collided with a Cessna 172 registered N75604 and operated by Teterboro Flight Service, which had two people on board. Following the collision, both aircraft went out of control and crashed into the Hudson River near the Tappan Zee Bridge. Both aircraft were destroyed, and all five occupants were killed.

Aircraft Details

The first aircraft was a twin-engine airplane with three occupants. The second aircraft was a Cessna 172, registration N75604, operated by Teterboro Flight Service, carrying two occupants.

Investigation Findings

The official investigation determined the probable cause of the accident to be an in-flight collision after the pilot failed to see and avoid the other aircraft. The investigation also reported the following contributing factors: the aircraft were not under radar contact, there was no control zone in effect, and fresh scuff marks were found on the leading edge of the deicing boot of the vertical stabilizer.

Frequently asked questions

What happened in the 4 Dec 1976 Piper PA-31-350 Navajo Chieftain accident near Grand View-On-Hudson, United States of America?

Two aircraft collided midair over the Hudson River near the Tappan Zee Bridge, resulting in the destruction of both planes and the deaths of all five occupants.

Were there any fatalities in the 4 Dec 1976 Piper PA-31-350 Navajo Chieftain accident?

The accident was fatal, resulting in 3 fatalities.

What aircraft was involved and where did it happen?

The accident on 4 Dec 1976 involved a Piper PA-31-350 Navajo Chieftain, registration N59825, operated by Baltimore Contractors, at Grand View-On-Hudson, United States of America.

What was the probable cause of the accident?

In-flight collision after the pilot failed to see and avoid other aircraft.