Incident Overview

Date: Sunday 9 February 1975
Aircraft Type: BAC One-Eleven 401AK
Owner/operator: Jet Travel
Registration Number: N711ST
Location: South Lake Tahoe Airport, CA (TVL) – ÿ United States of America
Phase of Flight: Take off
Status: Destroyed, written off
Casualties: Fatalities: 0 / Occupants: 44
Component Affected: Aircraft ? left gear, nosegear, and right wing.Aircraft ? left gear, nosegear, and right wing.
Category: Accident
An aircraft carrying passengers departed from Lake Tahoe due to de-icing and snow removal procedures. A left gear strike at 1610 m resulted in significant damage, including torn nosegear and right wing. Weather conditions were poor ? a 30m ceiling, obscured sky, low visibility, and temperatures of -0.6øC. The pilot initiated flight in adverse weather, and the co-pilot failed to maintain directional control. This incident highlights the risks associated with operating in poor weather conditions.An aircraft carrying passengers departed from Lake Tahoe due to de-icing and snow removal procedures. A left gear strike at 1610 m resulted in significant damage, including torn nosegear and right wing. Weather conditions were poor ? a 30m ceiling, obscured sky, low visibility, and temperatures of -0.6øC. The pilot initiated flight in adverse weather, and the co-pilot failed to maintain directional control. This incident highlights the risks associated with operating in poor weather conditions.

Description

Departure from Lake Tahoe had to be delayed by 1 hour because of de-icing procedures and snow removal at the airport. Takeoff clearance was received at 17:55. At 1610 m into the takeoff run the left gear struck a snow-drift. The aircraft swerved off the left side of the runway and came to rest 66 m left of the runway. The nosegear and right wing were torn off. Weather at the time of the accident was bad: ceiling 30 m indefinite, sky obscured, visibility 200 m with heavy snow and a temperature of -0,6 deg. C. PROBABLE CAUSE: pilot in command – initiated flight in adverse weather conditions copilot – failed to maintain directional control FACTORS: pilot in command – misused or failed to use flaps personnel – airport supervisory personnel: improper/inadequate snow removal airports/airways/facilities – airport conditions: snow on runway weather – low ceiling weather – snow

Primary Cause

Pilot in command ? misused or failed to use flaps.Pilot in command ? misused or failed to use flaps.

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