Gn-1 Aircamper MATHES N31TM

Summary

On 11 August 2012 at about 21:00 local time, a Gn-1 Aircamper MATHES registered N31TM was involved in an accident near Burlington, Wisconsin, United States. 2 people were on board and 2 had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

11 August 2012 at 21:00

Classification

Accident

Location

Burlington, Wisconsin, United States

Coordinates

42.6703, -88.2708

Aircraft

Gn-1 Aircamper MATHES

Registration

N31TM

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Burlington → Burlington

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

CEN12LA539

2 people had minor injuries.

The pilot's improper installation of the propeller bolts, which resulted in the in-flight separation of the propeller.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

The pilot departed on a local flight during which the airplane experienced an in-flight separation of the propeller. The pilot then performed a forced landing to a field that resulted in substantial damage to the fuselage. Postaccident examination of the airplane revealed that the pilot installed the propeller bolts backwards. The bolts were also found to be improperly torqued.

Quoted verbatim from the NTSB record.