Incident Overview

Date: Monday 12 June 1961
Aircraft Type: Vickers 757 Viscount
Owner/operator: Trans-Canada Air Lines
Registration Number: CF-THM
Location: Montreal International Airport, Quebec – ÿ Canada
Phase of Flight: Landing
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 3
Component Affected: UndercarriageUndercarriage
Category: Accident
An aircraft experienced a near-miss landing due to a failed attempt to feather the propeller on one engine during a training flight. The aircraft’s undercarriage was not selected down, resulting in contact with the runway. Power was applied, and a turn was made to the right for a landing on runway 06. The aircraft sustained substantial damage, with the wheels selected down, and was landed with the undercarriage unlocked.An aircraft experienced a near-miss landing due to a failed attempt to feather the propeller on one engine during a training flight. The aircraft’s undercarriage was not selected down, resulting in contact with the runway. Power was applied, and a turn was made to the right for a landing on runway 06. The aircraft sustained substantial damage, with the wheels selected down, and was landed with the undercarriage unlocked.

Description

The aircraft was operating on a training flight out of Montreal Airport. An approach to land on runway 24L at Montreal Airport was made with the right inner propeller feathered and the right outer engine at reduced power to simulate feathering of the propeller on that engine. The undercarriage had not been selected down and the left inner and right outer propellers contacted the runway. Power was applied and a turn was made to the right for a landing on runway 06. The aircraft was substantially damaged when it landed with the wheels selected down but not locked. The occupants were not injured. Probable Causes The crew failed to extend the undercarriage and two of the propellers struck the runway during an attempt to land. The aircraft was substantially damaged during the emergency landing with the undercarriage unlocked.

Source of Information

https://recherche-collection-search.bac-lac.gc.ca/eng/home/record?app=fonandcol&IdNumber=4546402, https://airlinefan.com/airline-photos/Trans-Canada-Airlines—TCA/Vickers/Viscount-700/CF-THM/1778406/, http://www.vickersviscount.net/Index/VickersViscount273History.aspxhttps://recherche-collection-search.bac-lac.gc.ca/eng/home/record?app=fonandcol&IdNumber=4546402, https://airlinefan.com/airline-photos/Trans-Canada-Airlines—TCA/Vickers/Viscount-700/CF-THM/1778406/, http://www.vickersviscount.net/Index/VickersViscount273History.aspx

Primary Cause

Failure to extend the undercarriage and contact with the runway by propellers during the attempt to land.Failure to extend the undercarriage and contact with the runway by propellers during the attempt to land.

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