Incident Overview

Date: Friday 13 April 1973
Aircraft Type: North American Rockwell Sabreliner 60
Owner/operator: Continental Air Lines
Registration Number: N743R
Location: Montrose County Airport, CO (MTJ) – ÿ United States of America
Phase of Flight: Initial climb
Status: Destroyed, written off
Casualties: Fatalities: 2 / Occupants: 2
Component Affected: Left engine thrust reverserLeft engine thrust reverser
Investigating Agency: NTSBNTSB
Category: Accident
A Sabreliner 60, N743R crashed shortly after takeoff from Montrose Airport, Colorado, resulting in the deaths of the two pilots. The aircraft was destroyed by impact and fire after climbing straight ahead, exhibiting a shallow right turn, followed by a left turn, which steepened as the nose dropped. Witness accounts indicate the aircraft’s initial climb was followed by a right turn and then a left turn, which then stepped, culminating in a crash at a 55ø left-bank and 10ø nosedown attitude.A Sabreliner 60, N743R crashed shortly after takeoff from Montrose Airport, Colorado, resulting in the deaths of the two pilots. The aircraft was destroyed by impact and fire after climbing straight ahead, exhibiting a shallow right turn, followed by a left turn, which steepened as the nose dropped. Witness accounts indicate the aircraft’s initial climb was followed by a right turn and then a left turn, which then stepped, culminating in a crash at a 55ø left-bank and 10ø nosedown attitude.

Description

A Sabreliner 60, N743R, crashed shortly after takeoff from Montrose Airport, Colorado, USA. The two pilots, the only persons on board, were killed and the aircraft was destroyed by impact and fire. The aircraft was on a routine flight from Montrose to Denver, Colorado. Witnesses reported seeing the aircraft climb straight ahead after takeoff to about 1,000 feet above ground level, where it started first a shallow right turn and then a left turn, which steepened as the nose dropped. The aircraft crashed in a 55ø left-bank and 10ø nosedown attitude. Examination of the wreckage disclosed that the left engine thrust reverser was in the deployed position. PROBABLE CAUSE: “The continued operation of the left engine at climb power after an unwanted in-flight deployment of the left engine thrust reverser, which resulted in a deterioration of aircraft performance.”

Primary Cause

Continued operation of the left engine at climb power after an unwanted in-flight deployment of the left engine thrust reverser, resulting in a deterioration of aircraft performance.Continued operation of the left engine at climb power after an unwanted in-flight deployment of the left engine thrust reverser, resulting in a deterioration of aircraft performance.

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