Incident Overview

Date: Sunday 5 July 1992
Aircraft Type: de Havilland Canada DHC-6 Twin Otter 300
Owner/operator: Royal Nepal Airlines
Registration Number: 9N-ABB
Location: Jumla Airport (JUM) – ÿ Nepal
Phase of Flight: Take off
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 18
Component Affected: Aircraft rotor systemAircraft rotor system
Category: Accident
A Nepal Airlines DHC-6 Twin Otter experienced an aborted takeoff accident at Jumla Airport (JUM) due to a sudden rightward swing during acceleration. The pilot attempted to regain control but failed, resulting in the aircraft running off the runway and coming to rest partway through the airport perimeter fence.A Nepal Airlines DHC-6 Twin Otter experienced an aborted takeoff accident at Jumla Airport (JUM) due to a sudden rightward swing during acceleration. The pilot attempted to regain control but failed, resulting in the aircraft running off the runway and coming to rest partway through the airport perimeter fence.

Description

A de Havilland Canada DHC-6 Twin Otter operated by Nepal Airlines was damaged in an aborted takeoff accident at Jumla Airport (JUM). Nepal. As the aircraft accelerated through about 45kt on takeoff, it suddenly swung to the right. The pilot in command attempted to regain control but without success and the aircraft ran off the side of the runway, eventually coming to rest part way through the airport perimeter fence.

Primary Cause

Acceleration during takeoff resulted in a sudden rightward swing.Acceleration during takeoff resulted in a sudden rightward swing.

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