1 fatality

Pilot Killed in Mountain Crash After Encountering Thunderstorms (N11HW)

Chatsworth, United States of AmericaFlight

On July 5, 1974, a Piper PA-31-310 Navajo (registration N11HW) operated by Topps Factory Outlet of Nashville was involved in an aviation accident near Chatsworth, United States of America in flight. One person was killed. Investigators recorded the probable cause as: The pilot continued VFR flight into adverse weather conditions. Contributing factors: Inadequate preflight preparation, High obstructions, Rain, Thunderstorm activity with heavy rain falls, Mountain peaks shrouded in clouds, Aircraft hit the mountain at about… 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

A pilot flying from Knoxville to Rome struck tree tops and crashed into a mountain slope at 4,000 feet while in clouds and thunderstorms. The wreckage was found five days later.

Accident Details

While en route from Knoxville to Rome, the pilot encountered poor weather conditions including thunderstorm activity, clouds, and heavy rain. While flying in clouds at an altitude of 4,000 feet, the airplane struck tree tops and crashed on the slope of a mountain. The wreckage was located five days later. The pilot, the sole occupant, was killed.

Investigation and Findings

The official investigation determined the probable cause to be the pilot's decision to continue Visual Flight Rules (VFR) flight into adverse weather conditions. Contributing factors identified included inadequate preflight preparation, high obstructions, rain, thunderstorm activity with heavy rain, mountain peaks shrouded in clouds, and the aircraft impacting the mountain at approximately 4,000 feet.

Frequently asked questions

What happened in the 5 Jul 1974 Piper PA-31-310 Navajo accident near Chatsworth, United States of America?

A pilot flying from Knoxville to Rome struck tree tops and crashed into a mountain slope at 4,000 feet while in clouds and thunderstorms. The wreckage was found five days later.

Were there any fatalities in the 5 Jul 1974 Piper PA-31-310 Navajo accident?

The accident was fatal, resulting in 1 fatality.

What aircraft was involved and where did it happen?

The accident on 5 Jul 1974 involved a Piper PA-31-310 Navajo, registration N11HW, operated by Topps Factory Outlet of Nashville, at Chatsworth, United States of America.

What was the probable cause of the accident?

The pilot continued VFR flight into adverse weather conditions. Contributing factors: Inadequate preflight preparation, High obstructions, Rain, Thunderstorm activity with heavy rain falls, Mountain peaks shrouded in clouds, Aircraft hit the mountain at about 4,000 feet.