Incident Overview
Date: Friday 14 August 1998
Aircraft Type: Antonov An-2R
Owner/operator: Polyarnye Avialinii
Registration Number: RA-40681
Location: near Deputatskiy –
ÿ Unknown country
Phase of Flight: En route
Status: Substantial, written off
Casualties: Fatalities: 0 / Occupants: 14
Component Affected: Engine lubrication system components, specifically the R9SM2 rpm regulator gasket.Engine lubrication system components, specifically the R9SM2 rpm regulator gasket.
Category: Accident
A forced landing occurred due to an engine malfunction, resulting in significant damage to the aircraft. The incident involved an R9SM2 rpm regulator gasket being destroyed, leading to oil leakage and a reduction in engine power.A forced landing occurred due to an engine malfunction, resulting in significant damage to the aircraft. The incident involved an R9SM2 rpm regulator gasket being destroyed, leading to oil leakage and a reduction in engine power.
Description
Owing to an engine malfunction, the crew made a forced landing on a spit in the Dodomo River in daytime in VMC. The aircraft suffered considerable damage. The cause of the accident was the destruction of an R9SM2 rpm regulator gasket with the consequent leakage of oil from the engine lubrication system and a drop in engine power. The destruction of the gasket resulted from the shrinkage of the material, its being forced out by the pressure of the oil and its subsequent rupture.
Source of Information
https://www.airhistory.net/info/soviet.phphttps://www.airhistory.net/info/soviet.phpPrimary Cause
Engine malfunction and gasket destruction.Engine malfunction and gasket destruction.Share on:
