Asymmetrical thrust causes cargo aircraft excursion at Foxtrot Airstrip

No fatalities • Foxtrot, South Sudan • Landing (descent or approach)

A cargo flight delivering supplies to SPLA troops experienced a loss of directional control following a thrust reverser failure during landing.

What happened

During an on-demand cargo operation, an aircraft was performing a delivery flight from Lokichoga to the Foxtrot Airstrip. The mission involved transporting essential supplies intended for SPLA troops. Upon touchdown at the destination, the aircraft experienced a mechanical malfunction involving the left thrust reverser. This failure resulted in an asymmetrical thrust condition, causing the plane to veer toward the right side of the runway.

The aircraft eventually came to a halt after the excursion. While the airframe sustained damage that was classified as beyond repair, there were no casualties reported. Both the pilot and the crew managed to exit the aircraft without any injuries.

Findings

  • The primary factor in the loss of directional control was the failure of the left thrust reverser, which created an imbalance in engine power during the landing roll.

Probable cause

The failure of the left thrust reverser led to asymmetrical thrust, causing the aircraft to veer off the runway.

Frequently asked questions

What happened in the 1999-02-14 Hawker Siddeley HS.780 Andover C.1 accident near Foxtrot, South Sudan?

A cargo flight delivering supplies to SPLA troops experienced a loss of directional control following a thrust reverser failure during landing.

Were there any fatalities in the 1999-02-14 Hawker Siddeley HS.780 Andover C.1 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 1999-02-14 involved a Hawker Siddeley HS.780 Andover C.1, registration 9L-LBG, operated by 748 Air Services, at Foxtrot, South Sudan.

What was the probable cause of the accident?

The failure of the left thrust reverser led to asymmetrical thrust, causing the aircraft to veer off the runway.

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