Incident Overview

Date: Friday 1 July 2022
Aircraft Type: Antonov An-12BK
Owner/operator: Motor Sich
Registration Number: UR-11316
Location: Uzhgorod Airport (UKLU) – ÿ Ukraine
Phase of Flight: Landing
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 9
Component Affected: Left Main Landing GearLeft Main Landing Gear
Investigating Agency: NBAAINBAAI
Category: Accident
A major aviation incident occurred involving an Antonov An-12 aircraft on Motor Sich Flight 6536, resulting in a hard landing at Uzhgorod Airport. The aircraft experienced a severe loss of control, leading to a leftward deviation from the runway axis and subsequent collision with the ground. The initial cause was a rough landing, causing tire damage and subsequent structural failures.A major aviation incident occurred involving an Antonov An-12 aircraft on Motor Sich Flight 6536, resulting in a hard landing at Uzhgorod Airport. The aircraft experienced a severe loss of control, leading to a leftward deviation from the runway axis and subsequent collision with the ground. The initial cause was a rough landing, causing tire damage and subsequent structural failures.

Description

Motor Sich flight 6536, an Antonov An-12, made a hard landing on runway 10 at Uzhgorod Airport (UKLU) with a vertical g-force of 2.76g. As a result, the tires of the three wheels of the left main landing gear were destroyed, after which the aircraft deviated to the left of the runway axis, followed by a leftward roll off the runway. Causes: The cause of the aircraft accident (destruction of the left main landing gear) was a rough landing, which led to the destruction of the tires of the left main landing gear, damage to the wheel rims, the attachment assembly of the left main landing gear, with subsequent deviation of the aircraft beyond the runway to the left onto the ground, destruction of the landing gear strut, and collision with the ground of the first engine propeller. The reason for the rough landing of the aircraft was the loss of longitudinal speed of the aircraft before landing due to incorrect engine thrust control. Contriburing Factors: 1. Deliberate descent of the aircraft below the standard published descent trajectory with a 3§ angle, due to the crew’s attempt to land the aircraft at the beginning of the runway. 2. Failure of the flight crew to decide to go around when the EGPWS warning signal activated. 3. Lack of corrective actions by the flight crew instructor. 4. High emotional stress of the crew when performing the approach and landing at night on the runway, which was close to the calculated distance for the An-12 aircraft in actual conditions.

Source of Information

https://www.flightradar24.com/data/aircraft/ur-11316#2c796c22https://www.flightradar24.com/data/aircraft/ur-11316#2c796c22

Primary Cause

Loss of longitudinal speed before landing due to incorrect engine thrust control.Loss of longitudinal speed before landing due to incorrect engine thrust control.

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