Casualties unknown

1990-03-16: Cessna 175 (N7555M) — Hewinns, Stanley O. — Derby, KS

Derby, KS, US

On March 16, 1990, a Cessna 175 (registration N7555M) operated by Hewinns, Stanley O. was involved in an aviation accident near Derby, KS. Investigators recorded the probable cause as: The failure of the nose gear yoke during the takeoff roll. 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 1781061362Data APIEditorial standards

A nose wheel shimmy and subsequent structural failure of the nose gear yoke caused the aircraft to drop its nose during takeoff, resulting in substantial damage to the propeller and cowling.

What happened

During the takeoff roll, the pilot reported that the nose wheel began to shimmy and vibrate. This was followed by a loud popping noise, after which the nose of the aircraft dropped down. The incident resulted in substantial damage to the propeller, cowling, and firewall.

The investigation

A post-accident inspection revealed that the nose gear yoke had broken off.

Probable cause

The failure of the nose gear yoke during the takeoff roll.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X22795. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.