Casualties unknown

2005-08-20: Piper PA-12 (N425AH) — Boscobel, WI

Boscobel, WI, US

On August 20, 2005, a Piper PA-12 (registration N425AH) was involved in an aviation accident near Boscobel, WI. Investigators recorded the probable cause as: The separation of the right main landing gear attachment bracket bolt during the landing and the pilot's aircraft control not possible with the collapsed gear. 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 tailwheel airplane piloted by a certified flight instructor sustained substantial damage when the right main landing gear broke during landing on runway 20.

Incident Overview

A tailwheel airplane, operated by a certified flight instructor, experienced a landing gear failure during landing, resulting in substantial damage to the aircraft. The pilot reported that after touching down on the hard surface of runway 20, the airplane began a mild left turn toward the grass alongside the runway.

Sequence of Events

According to the flight instructor, a bolt on the right main landing gear attach bracket had broken. Consequently, the right gear folded under the airplane at a speed of approximately 15 mph. The gear then broke, causing the aircraft to lift about 5 feet into the air before falling back to the ground. The propeller struck and became embedded in the ground, and the wing sustained damage with bending outboard from the fuselage.

Damage and Injuries

The aircraft sustained substantial damage as a result of the impact with terrain. The pilot reported no injuries.

Additional Details

The specific model and registration of the tailwheel airplane were not provided. The incident occurred during landing on runway 20.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20050901X01361. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.