Incident Overview
Date: Saturday 17 May 1986
Aircraft Type: Yakovlev Yak-40
Owner/operator: Aeroflot, Tyumen Civil Aviation Directorate
Registration Number: CCCP-87928
Location: 19 km NW of Khanty-Mansiysk Airport (HMA) –
ÿ Russia
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 5 / Occupants: 5
Component Affected: Aircraft nose landing gear, left wing, and tail.Aircraft nose landing gear, left wing, and tail.
Category: Accident

An aircraft experienced a severe crash during a local test-flight following a nose landing gear repair, resulting in a rapid and uncontrolled dive, loss of control, and subsequent separation of critical components.An aircraft experienced a severe crash during a local test-flight following a nose landing gear repair, resulting in a rapid and uncontrolled dive, loss of control, and subsequent separation of critical components.
Description
Following repair of the nose landing gear, the aircraft departed from Khanty-Mansiysk on a local test-flight. The pilot flew a barrell roll resulting in the aircraft entering a steep dive, reaching 5.25 g during pull-out at, a speed of 650 kilometers per hour. The left wing broke off, hitting the tail, which broke off as well. The aircraft crashed in the flood plain of the Ob’ River
Source of Information
https://www.airhistory.net/info/soviet.php, http://airdisaster.ru/database.php?id=299https://www.airhistory.net/info/soviet.php, http://airdisaster.ru/database.php?id=299Primary Cause
Nose landing gear repair and subsequent barrell roll leading to a steep dive and loss of control.Nose landing gear repair and subsequent barrell roll leading to a steep dive and loss of control.Share on: