Incident Overview

Date: Monday 15 May 1944
Aircraft Type: Douglas C-47A-75-DL (DC-3)
Owner/operator: China National Aviation Corporation – CNAC
Registration Number: 90
Location: Patkai Range – ÿ India
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 3 / Occupants: 3
Component Affected: Aircraft control systems and navigation systems.Aircraft control systems and navigation systems.
Category: Accident
On his first flight as a captain, the pilot deviated from standard procedures during a severe turbulence event, initiating a climb to 10,000 feet over the RR marker before commencing the Fox Charlie course. The turbulence resulted in the aircraft impacting a mountain ridge at 9000 feet.On his first flight as a captain, the pilot deviated from standard procedures during a severe turbulence event, initiating a climb to 10,000 feet over the RR marker before commencing the Fox Charlie course. The turbulence resulted in the aircraft impacting a mountain ridge at 9000 feet.

Description

The pilot, on his first flight as a captain, was the first CNAC pilot to follow the new ATC procedure: climb to 10,000 feet over the RR marker before heading out on the Fox Charlie course. Severe turbulence drove the plane into a mountain ridge at 9000 feet.

Primary Cause

Severe turbulence caused a sudden and unexpected impact with a mountain ridge.Severe turbulence caused a sudden and unexpected impact with a mountain ridge.

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