13 fatalities

Aircraft Crashes Shortly After Takeoff from Hamilton AFB (52-5822)

Hamilton AFB (Novato), United States of AmericaTakeoff (climb)

On May 4, 1970, a Convair T-29 (registration 52-5822) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Hamilton AFB (Novato), United States of America during takeoff. 13 people were killed. Investigators recorded the probable cause as: Investigators were unable to determine the exact cause of the accident. 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 reportUpdated 2026-06-12Data APIEditorial standards

Shortly after takeoff from Hamilton AFB, an aircraft struck trees and crashed on a mountain slope, resulting in total destruction and a post-crash fire. One passenger was seriously injured and 13 others were killed. Investigators were unable to determine the exact cause.

Accident Overview

Shortly after takeoff from runway 30 at Hamilton AFB in Novato, California, the crew was cleared to climb at their discretion, following heading 360 until reaching 2,600 feet, then heading 340. Seconds later, the aircraft struck trees and crashed on a mountain slope approximately eight miles from the airbase. The aircraft was totally destroyed by impact forces and a subsequent post-crash fire.

Casualties and Damage

The accident resulted in one passenger sustaining serious injuries, while 13 other occupants were killed. The aircraft was completely destroyed.

Flight Details

The crew from the 26th Division was completing a flight to Spokane, Washington.

Weather Conditions

At the time of the accident, weather conditions were considered good. There were three cloud layers at 900, 15,000, and 25,000 feet. Visibility was about 8 miles, with a light wind from 340 at 2 knots.

Investigation

Investigators conducted a second flight under similar conditions a few hours later. Despite this, they were unable to determine the exact cause of the accident.

Probable cause

Investigators were unable to determine the exact cause of the accident.