Casualties unknown

Aerial Observation Plane Strikes Unmarked Cable During Buzzard Avoidance (N746JG)

Mason, TX, US

On September 20, 1990, a Cessna 172L (registration N746JG) operated by Ray W. Tschirhart was involved in an aviation accident near Mason, TX. Investigators recorded the probable cause as: THE FAILURE OF THE PILOT TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

An ATP pilot and observer maneuvered to avoid buzzards during an aerial observation flight. The plane struck an unmarked cable at 300 feet AGL, deforming the propeller. The pilot performed a forced landing on a brush-covered hilltop, resulting in damage to the engine cowling, both wings, landing gear, and a bent right wing spar.

Summary

During an aerial observation flight, an ATP-rated pilot and an observer were maneuvering to avoid buzzards. The pilot and passenger, both deputies, were searching for reported shooting victims. According to the pilot, the aircraft struck an unmarked cable at 300 feet above ground level, causing the propeller to become deformed. The airplane was subsequently unable to maintain altitude, prompting the pilot to execute a forced landing on a brush-covered hilltop.

Event Details

The flight involved an ATP pilot and an observer, both serving as deputies, conducting an aerial search for shooting victims. While maneuvering to avoid buzzards, the aircraft struck an unmarked cable at 300 feet AGL. The impact deformed the propeller, and the airplane lost the ability to maintain altitude. The pilot then performed a forced landing onto a brush-covered hilltop.

Damage

The forced landing resulted in damage to the engine cowling, both wings, and the landing gear. Additionally, the right wing spar was bent. The extent of the damage indicates a hard landing on uneven terrain.

Probable Cause

No probable cause was stated in the source.

Frequently asked questions

What happened in the 20 Sept 1990 Cessna 172L accident near Mason, TX?

An ATP pilot and observer maneuvered to avoid buzzards during an aerial observation flight. The plane struck an unmarked cable at 300 feet AGL, deforming the propeller. The pilot performed a forced landing on a brush-covered hilltop, resulting in damage to the engine cowling, both wings, landing gear, and a bent…

What aircraft was involved and where did it happen?

The accident on 20 Sept 1990 involved a Cessna 172L, registration N746JG, operated by Ray W. Tschirhart, at Mason, TX.

What was the probable cause of the accident?

THE FAILURE OF THE PILOT TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X24251. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.