Incident Overview
Date: Friday 29 March 1957
Aircraft Type: Lisunov Li-2
Owner/operator: Aeroflot, Privolzhsk Civil Aviation Directorate
Registration Number: CCCP-L4967
Location: 15 km NE of Ulyanovsk –
ÿ Russia
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 4 / Occupants: 4
Component Affected: Left wingLeft wing
Category: Accident
An aircraft carrying four crew members crashed in a snow-covered field near Ulyanovsk after breaking up mid-air at 3000 meters altitude. The crash resulted in the deaths of all four crew members. The incident was initiated by a failure of the left wing, which caused damage to the center section along the 10th rib, leading to a strike against the tail section.An aircraft carrying four crew members crashed in a snow-covered field near Ulyanovsk after breaking up mid-air at 3000 meters altitude. The crash resulted in the deaths of all four crew members. The incident was initiated by a failure of the left wing, which caused damage to the center section along the 10th rib, leading to a strike against the tail section.
Description
The aircraft operated on a photo flight from Kuybyshev to Ulyanovsk when it broke up in mid-air at 3000m altitude and crashed in a snow-covered field 15 km north-east of Ulyanovsk. All 4 crew were killed. The break-up was initiated by the failure of the left wing, which occurred due to the destruction of the left side of the center section along the 10th rib in the section between the 1st and 3rd spars. The left wing then struck the tail section. The true cause of the occurrence of destructive overload in flight has not been established.
Source of Information
http://airdisaster.ru/database.php?id=909http://airdisaster.ru/database.php?id=909Primary Cause
Failure of the left wing due to damage to the center section along the 10th rib.Failure of the left wing due to damage to the center section along the 10th rib.Share on:
