Incident Overview
Date: Thursday 4 July 1991
Aircraft Type: de Havilland Canada DHC-6 Twin Otter 300
Owner/operator: Helicol Colombia
Registration Number: HK-2889X
Location: near El Yopal –
ÿ Colombia
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 3 / Occupants: 3
Component Affected: Aircraft Flight Control SystemAircraft Flight Control System
Category: Accident

An aircraft deviated 20 degrees to the left of its intended 360-degree course, likely due to a westerly crosswind, or a failure to correct for the wind. The pilot continued VFR flight in unfavorable visibility conditions, resulting in a collision with a hill.An aircraft deviated 20 degrees to the left of its intended 360-degree course, likely due to a westerly crosswind, or a failure to correct for the wind. The pilot continued VFR flight in unfavorable visibility conditions, resulting in a collision with a hill.
Description
The aircraft deviated 20deg to the left of the intended 360deg course either the pilot failed to correct for a westerly crosswind, or he deviated around bad weather. The pilot continued VFR flight in unfavorable visibility and collided with a hill.
Primary Cause
Westerly crosswind or pilot error in correcting for wind conditions.Westerly crosswind or pilot error in correcting for wind conditions.Share on: