Incident Overview
Date: Sunday 19 August 1984
Aircraft Type: Ilyushin Il-86
Owner/operator: Aeroflot, Moscow Civil Aviation Directorate
Registration Number: CCCP-86007
Location: Aktyubinsk Airport (AKX) –
ÿ Kazakhstan
Phase of Flight: En route
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants:
Component Affected: Inner flaps of the aircraft.Inner flaps of the aircraft.
Category: Accident
A flight from Tashkent to Moscow experienced a sudden and severe vibration of the inner flaps, leading to their ripping off after approximately 75 seconds. This resulted in damage to the rear fuselage and an emergency landing at Aktyubinsk Airport, with the aircraft achieving a speed of 345 km/h and sustaining damage to seven tires.A flight from Tashkent to Moscow experienced a sudden and severe vibration of the inner flaps, leading to their ripping off after approximately 75 seconds. This resulted in damage to the rear fuselage and an emergency landing at Aktyubinsk Airport, with the aircraft achieving a speed of 345 km/h and sustaining damage to seven tires.
Description
On a flight from Tashkent to Moscow the inner sections of the flaps started to vibrate heavily and were ripped off after 75 seconds, damaging the rear fuselage. The aircraft made an emergency landing at Aktyubinsk Airport (AKX), touching down at 345 km/h and bursting 7 tyres.
Source of Information
http://www.airdisaster.ru/database.php?id=1495, https://www.airhistory.net/info/soviet.phphttp://www.airdisaster.ru/database.php?id=1495, https://www.airhistory.net/info/soviet.phpPrimary Cause
Rapid and excessive flap vibration likely caused by aerodynamic instability or a mechanical failure within the flap mechanism.Rapid and excessive flap vibration likely caused by aerodynamic instability or a mechanical failure within the flap mechanism.Share on:
