3 fatalities

Crashed Shortly After Takeoff at Binghamton-Broome County Airport (N497DM)

Binghamton, United States of AmericaTakeoff (climb)

On March 22, 1970, a Beechcraft C-45 Expeditor (registration N497DM) operated by Commuter Airlines was involved in an aviation accident near Binghamton, United States of America during takeoff. 3 people were killed. Investigators recorded the probable cause as: The accident was caused by a poor flight preparation on part of the crew who decided to takeoff with a snow covered aircraft. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

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

A twin-engine airplane stalled and crashed after takeoff from Binghamton-Broome County Airport, hitting an approach light platform. Three occupants were killed and eight seriously injured.

Accident

Shortly after departing from Binghamton-Broome County Airport, a twin-engine airplane experienced significant difficulty in gaining altitude. The aircraft then stalled, struck the old approach light platform located at the base of the airport's runway extension, and crashed, erupting in flames. The accident resulted in the death of a pilot and two passengers, while eight other occupants sustained serious injuries.

Probable Cause

The official investigation determined that the accident was caused by poor flight preparation on the part of the crew, who decided to take off with a snow-covered aircraft. Contributing factors identified include inadequate preflight preparation, airframe ice, icing conditions (including sleet and freezing rain), delayed action in aborting the takeoff, an intentional wheels-up landing, low ceiling, snow, the crew's attempt to take off with snow on the wings, and the aircraft not being cleaned prior to takeoff.

Frequently asked questions

What happened in the 22 Mar 1970 Beechcraft C-45 Expeditor accident near Binghamton, United States of America?

A twin-engine airplane stalled and crashed after takeoff from Binghamton-Broome County Airport, hitting an approach light platform. Three occupants were killed and eight seriously injured.

Were there any fatalities in the 22 Mar 1970 Beechcraft C-45 Expeditor accident?

The accident was fatal, resulting in 3 fatalities.

What aircraft was involved and where did it happen?

The accident on 22 Mar 1970 involved a Beechcraft C-45 Expeditor, registration N497DM, operated by Commuter Airlines, at Binghamton, United States of America.

What was the probable cause of the accident?

The accident was caused by a poor flight preparation on part of the crew who decided to takeoff with a snow covered aircraft. The following factors were considered as contributing: - Inadequate preflight preparation, - Airframe ice, - Icing conditions including sleet and freezing rain, - Delayed action in aborting…