Incident Overview
Date: Tuesday 26 August 1980
Aircraft Type: Vickers 812 Viscount
Owner/operator: Bouraq Indonesia Airlines, lsf Far Eastern Air Transport
Registration Number: PK-IVS
Location: 26 km NE of Jakarta-Kemayoran Airport (JKT) –
ÿ Indonesia
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 37 / Occupants: 37
Component Affected: The elevator tab circuit.The elevator tab circuit.
Category: Accident

A Boursaq Viscount, operating from Banjarmasin to Jakarta, experienced a loss of control due to an elevator fracture. The aircraft shuddered, and the F-28, vectored to intercept, reported issues with the right elevator. The Viscount crew lost control, impacting the ground inverted with a nose-down angle of approximately 25 degrees.A Boursaq Viscount, operating from Banjarmasin to Jakarta, experienced a loss of control due to an elevator fracture. The aircraft shuddered, and the F-28, vectored to intercept, reported issues with the right elevator. The Viscount crew lost control, impacting the ground inverted with a nose-down angle of approximately 25 degrees.
Description
The Bouraq Viscount was operating on a flight from Banjarmasin to Jakarta. At 06:04 the crew issued a Mayday call, stating shuddering of the airplane. Air traffic control vectored a Fokker F-28 to intercept the plane. At 06:28 the F-28 crew noticed problems with the right elevator and stated that the plane was falling to the left. After separation of the right elevator the Viscount crew lost control. It impacted the ground inverted, about 25ø nose down relative to the ground and with its port wing low. PROBABLE CAUSE: The cause of this accident was the in-flight fracture of the spigot in the elevator tab circuit. This part had exceeded the 12 000 flight hours retirement life by 21 000 hrs resulting in a life of 33.000 hrs.
Primary Cause
In-flight fracture of the spigot in the elevator tab circuit, resulting from exceeding the retirement life of 33,000 hours.In-flight fracture of the spigot in the elevator tab circuit, resulting from exceeding the retirement life of 33,000 hours.Share on: