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Last updated: 13 December 2018
Status:
Date:Monday 10 June 1991
Time:15:42
Type:Silhouette image of generic C130 model; specific model in this crash may look slightly different
Lockheed C-130A Hercules
Operating for:Angola Air Charter
Leased from:Carib Air Transport
Registration: J6-SLQ
C/n / msn: 3099
First flight: 1957
Engines: 4 Allison T56-A-7
Crew:Fatalities: 4 / Occupants: 4
Passengers:Fatalities: 6 / Occupants: 6
Total:Fatalities: 10 / Occupants: 10
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:Luanda-4 de Fevereiro Airport (LAD) (   Angola)
Phase: Takeoff (TOF)
Nature:Cargo
Departure airport:Luanda-4 de Fevereiro Airport (LAD/FNLU), Angola
Destination airport:Cafunfo Airport (CFF/FNCF), Angola
Flightnumber:1228
Narrative:
The Lockheed C-130A Hercules transport plane impacted terrain and burned on takeoff from Luanda, Angola. All ten on board were killed.
The aircraft operated on an unscheduled cargo flight to Cafunfo, Angola. Flight DTA1228 was the third trip of the day to Cafunfo. It was carrying supplies for the Lunda Norte Province. On board were four flight crew members and six passengers.
The flight contacted the air traffic controller at Luanda Airport at 15:12 to start the engines. The flight was told it could start up at 15:30 hours. The aircraft was then cleared to the holding point at taxiway Bravo and stop before crossing runway 26. Heavy traffic forced the flight to wait for six minutes and at 15:40 it was cleared to cross runway 26 to runway 24 and line up for departure. Clearance for takeoff was given immediately.
As the aircraft was climbing through 50-60 metres when it stalled and fell to the left. The aircraft impacted the ground and a fire erupted.

Probable Cause:

The investigation into the cause of the crash was severely hampered by the fact that the wreckage had been moved from the scene by the orders of an Air Force official, without authorization of the civil aviation authorities (DNAC). Additionally, both flight recorders were not located in the wreckage.
The commission found several pieces of debris along the right side of the runway, 300-400 meters from the crash site.
"The accident is deduced to have originated with a probable internal explosion of an unidentified foreign object that perhaps had as its site of action an area of the fuel storage area on the right wing of the aircraft. When the explosion occurred, it would have caused the craft to dip to the right owing to the lack of support on the aerodynamic planes on that side and then to fall to angle of more or less 45 degrees with runway 24 due to asymmetry in the weight of that wing. Greater weight on the [left] side' may have caused the aircraft to stall, because the first impact actually was made by the tip of the left wing striking the ground, prior to the fire that destroyed it totally."

Classification:
Loss of control

Sources:
» Scramble Vol.13, nr.04
» Lockheed Hercules Production List 1954-2003 / Lars Olausson
» Flight International 19-25 June 1991
» Hotel Hercules / Don Rogers


Photos

photo of Lockheed C-130A Hercules N9724V
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Luanda-4 de Fevereiro Airport to Cafunfo Airport as the crow flies is 520 km (325 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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