Incident Overview
Date: Tuesday 21 December 1976
Aircraft Type: Antonov An-22A
Owner/operator: Soviet Air Force
Registration Number: CCCP-09318
Location: near Seshcha –
ÿ Russia
Phase of Flight: Manoeuvring (airshow, firefighting, ag.ops.)
Status: Destroyed, written off
Casualties: Fatalities: 7 / Occupants: 7
Component Affected: Antonov AircraftAntonov Aircraft
Category: Accident

During a test flight out of Br’ansk AFB, an Antonov aircraft experienced a critical angle of attack and spun, resulting in a breakup in the air.During a test flight out of Br’ansk AFB, an Antonov aircraft experienced a critical angle of attack and spun, resulting in a breakup in the air.
Description
During a test flight out of Br’ansk AFB, the Antonov made a turn with maximum rudder deflection. At an altitude of 6000 m the plane entered a slip. The captain manoeuvred the plane in an attempt not to lose height, but the Antonov attained a critical angle of attack. It entered a spin and broke up in the air.
Source of Information
https://www.airhistory.net/info/soviet.php, http://war.airdisaster.ru/database.php?id=91https://www.airhistory.net/info/soviet.php, http://war.airdisaster.ru/database.php?id=91Primary Cause
Maximum rudder deflection during a turn resulted in a critical angle of attack.Maximum rudder deflection during a turn resulted in a critical angle of attack.Share on: