Incident Overview

Date: Friday 27 May 1977
Aircraft Type: Ilyushin Il-62M
Owner/operator: Aeroflot, International Civil Aviation Directorate
Registration Number: CCCP-86614
Location: 1,3 km SW of Havana-Jos‚ Mart¡ International Airport (HAV) – ÿ Cuba
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 67 / Occupants: 69
Component Affected: Aircraft control systems (approach procedure, altimeter setting).Aircraft control systems (approach procedure, altimeter setting).
Category: Accident
An Ilyushin Il-62M aircraft crashed while on approach to Havana-Jos‚ Mart¡ Airport, Cuba, resulting in the loss of 67 lives and two survivors. The flight, originating from Moscow-Sheremetyevo Airport, departed on a scheduled service to Havana, Cuba, with en route stops in Frankfurt, Germany, and Lisbon, Portugal. Following a crew change, the flight took off from Lisbon at 03:32 UTC, with the en route portion of the flight unexceptional. During approach, the aircraft descended below the decision height of 150 m, and encountered a local fog bank, causing it to descend below the threshold. The aircraft then struck power lines, resulting in a bank of 70 degrees to the right, impacting palm trees, a canal, and wasteland terrain. The impact caused significant damage to the aircraft.An Ilyushin Il-62M aircraft crashed while on approach to Havana-Jos‚ Mart¡ Airport, Cuba, resulting in the loss of 67 lives and two survivors. The flight, originating from Moscow-Sheremetyevo Airport, departed on a scheduled service to Havana, Cuba, with en route stops in Frankfurt, Germany, and Lisbon, Portugal. Following a crew change, the flight took off from Lisbon at 03:32 UTC, with the en route portion of the flight unexceptional. During approach, the aircraft descended below the decision height of 150 m, and encountered a local fog bank, causing it to descend below the threshold. The aircraft then struck power lines, resulting in a bank of 70 degrees to the right, impacting palm trees, a canal, and wasteland terrain. The impact caused significant damage to the aircraft.

Description

Aeroflot flight 331, an Ilyushin Il-62M, crashed while on approach to Havana-Jos‚ Mart¡ Airport, Cuba, killing 67 occupants; 2 survived the accident. Flight SU331 departed Moscow-Sheremetyevo Airport on a scheduled service to Havana, Cuba, with en route stops at Frankfurt, Germany and Lisbon, Portugal. After the crew change, the flight took off from Lisbon at 03:32 UTC. The en route part of the flight was uneventful. Descending towards Havana, the flight was vectored for an approach to runway 05. The aircraft turned onto runway heading at a distance of 9 km from the runway threshold. According to the approach procedure, the aircraft should have done so at 14-15 km from the threshold. During the approach the flight crew encountered a local fog bank. With the runway not in sight, the aircraft descended below the decision height of 150 m. At that point the aircraft was 3 km from the runway threshold. The flight crew had not set their altimeters to the airfield pressure (QFE) of 752 mm Hg. This caused the aircraft to be lower than indicated. At a distance of 1,820 meters from the runway the aircraft hit power lines, causing the aircraft to bank 70ø to the right. The aircraft cut the tops of 22 palm trees, passed across a canal and impacted wasteland terrain 1270 m short of the runway and 121 m to the right of the extended centreline.

Source of Information

https://www.airhistory.net/info/soviet.php, http://airdisaster.ru/database.php?id=120https://www.airhistory.net/info/soviet.php, http://airdisaster.ru/database.php?id=120

Primary Cause

Local fog bank encountered during approach.Local fog bank encountered during approach.

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