Incident Overview
Date: Monday 7 September 1981
Aircraft Type: Britten-Norman BN-2A Trislander Mk.III
Owner/operator: Questor Surveys
Registration Number: C-GSZI
Location: SW of Baker Lake, NU –
ÿ Canada
Phase of Flight: En route
Status: Substantial, written off
Casualties: Fatalities: 0 / Occupants: 3
Component Affected: Magnetometer systemMagnetometer system
Category: Accident
A magnetometer survey aircraft experienced a sudden and uncontrolled descent, resulting in a ground impact.A magnetometer survey aircraft experienced a sudden and uncontrolled descent, resulting in a ground impact.
Description
The magnetometer survey aircraft was in cruise at 400 ft agl while the equipment operator checked his equipment and the pilots visually checked their position enroute to their survey area. The crew reported that the aircraft yawed and began an uncontrolled descent that continued until the aircraft impacted the ground.
Primary Cause
Possible sensor malfunction or instability leading to a loss of control.Possible sensor malfunction or instability leading to a loss of control.Share on:
