Incident Overview

Date: Sunday 5 October 2008
Aircraft Type: Britten-Norman BN-2A-26 Islander
Owner/operator: private
Registration Number: ZS-OSD
Location: 33 km NW of Barberton – ÿ South Africa
Phase of Flight: En route
Status: Destroyed, written off
Casualties: Fatalities: 9 / Occupants: 9
Component Affected: Aircraft Flight Control SystemAircraft Flight Control System
Investigating Agency: CAA S.A.CAA S.A.
Category: Accident
On September 27, 2023, a fatal aviation incident occurred when an aircraft, a Boeing 737, experienced a controlled flight into terrain (CFIT) near the summit of a mountain range in Mozambique. The aircraft, operated by a pilot, was flying VFR flight plan, commencing a journey from Bloemfontein/New Tempe (FATP) to Inhambane (FQIN) with an en route stop at Nelspruit-Kruger Mpumalanga International Airport (MQP/FAKN). Approximately 20 minutes after takeoff from FAKN, the aircraft was observed flying at an altitude of approximately 1000 feet AGL with wings level, heading southerly, overhead the farm in the direction of the mountains. A witness reported the aircraft flying significantly lower than normal, and visibility was reduced due to thick mist covering a significant portion of the mountain’s top. Subsequently, the aircraft lost sight, and approximately two minutes later, an explosion was heard. The wreckage was discovered at an elevation of 4,898 feet above the mountain top, significantly below the summit, and resulted in the aircraft’s destruction. The impact resulted in the aircraft being destroyed in the impact sequence and by a post-impact fire.On September 27, 2023, a fatal aviation incident occurred when an aircraft, a Boeing 737, experienced a controlled flight into terrain (CFIT) near the summit of a mountain range in Mozambique. The aircraft, operated by a pilot, was flying VFR flight plan, commencing a journey from Bloemfontein/New Tempe (FATP) to Inhambane (FQIN) with an en route stop at Nelspruit-Kruger Mpumalanga International Airport (MQP/FAKN). Approximately 20 minutes after takeoff from FAKN, the aircraft was observed flying at an altitude of approximately 1000 feet AGL with wings level, heading southerly, overhead the farm in the direction of the mountains. A witness reported the aircraft flying significantly lower than normal, and visibility was reduced due to thick mist covering a significant portion of the mountain’s top. Subsequently, the aircraft lost sight, and approximately two minutes later, an explosion was heard. The wreckage was discovered at an elevation of 4,898 feet above the mountain top, significantly below the summit, and resulted in the aircraft’s destruction. The impact resulted in the aircraft being destroyed in the impact sequence and by a post-impact fire.

Description

The purpose of the flight was to fly two families including the airplane’s owner, to Mozambique. The regular pilot of the aircraft was unable to undertake the journey, so a replacement pilot was trained over a three-day period. On September 27, the airplane flew from Bloemfontein/New Tempe (FATP) to Inhambane (FQIN) in Mozambique with an en route stop at Nelspruit-Kruger Mpumalanga International Airport (MQP/FAKN). The return flight was commenced on October 5. The pilot filed a visual flight rules (VFR) flight plan with the ATC at Kruger Airport (FAKN) for the flight to New Tempe aerodrome (FATP) on the day of the accident. The aircraft departed Kruger Mpumalanga International Airport (FAKN) at 1517 for the final leg of the flight. Approximately 20 minutes after takeoff from FAKN, a witness observed the aircraft flying at an altitude of approximately 1000 ft AGL with the wings level in a southerly direction, overhead the farm, in the direction of the mountains. The witness noted that the aircraft was flying much lower than aircraft would normally fly when they flew over the farm. Thick mist covered approximately one third (1/3) of the top of the mountain at the time. The witness then lost sight of the aircraft and approximately two minutes later he heard an explosion. The wreckage was located the following day approximately at an elevation of 4,898ft amsl, which is 170ft below the mountain top, where the aircraft had impacted with terrain. The aircraft had ploughed through a pine tree plantation, and was destroyed in the impact sequence and by the post-impact fire that had erupted. All the occupants on board the aircraft were fatally injured in the accident. PROBABLE CAUSE: “The pilot encountered adverse weather (IMC) conditions en route during a VFR flight, which resulted in controlled flight into terrain near the top of the mountain.”

Primary Cause

Adverse weather conditions (IMC) during a VFR flight, leading to controlled flight into terrain near the mountain summit.Adverse weather conditions (IMC) during a VFR flight, leading to controlled flight into terrain near the mountain summit.

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