The Hercules C-130, registration HB-ILF, took off from Kuito at 06.50 UTC for a return flight to Benguela. On climbout a no.1 engine failure was simulated by the pilot. The aircraft then continued to climb to FL240. At 4min 36sec after take-off, the no.3 engine exploded. A fire then erupted. The Hercules descended fast and collided with 8 houses of the Cancao village, killing two people on the ground.
PROBABLE CAUSE: "The accident can be explained by the fact that the aircraft was struck by ground fire or a missile, the origin of which couldn't be established."

Transcript of the Cockpit Voice Recorder (CVR)
Legenda:
PIC = captain
F/O = copilot
F/E = Flight Engineer
L/M = Loadmaster
| Time | Source: | Content: | 
| F/E | Lets go! | |
| F/E | Power is in, flight idle | |
| F/E | increase we got 10 stable .... on me | |
| F/E | stable | |
| F/E | comes 11 | |
| F/E | 12 13 14 got 15 16 hold on | |
| F/E | please retard one | |
| F/E | thanks hold him there | |
| PIC | speed increasing on both sides | |
| PIC | 80 kts your controls | |
| F/E | your power is good | |
| PIC | V1 the throttles | |
| 0:00 | PIC | VR | 
| PIC | and V2 | |
| PIC | positive climb, undercarriage up please | |
| 0:10 | coming away we lost no 1 (piep ....) | |
| F/E | malfunction identified | |
| F/E | ok power loss on no. 1 | |
| F/O | ok total power loss | |
| PIC | total power loss | |
| F/O | ok going for V2 plus 10 keep it there | |
| PIC | standby 400 ft | |
| 0:32 | PIC | 400 feet we got | 
| F/O | feather no 1 | |
| speed we got, height we got accelerating ... | ||
| flaps to 20 in 10's please | ||
| ok coming away | ||
| keeping | ||
| it would have been ... (28) or 20 aehh ...) | ||
| F/O | undercarriage check up | |
| PIC | undercarriage is up | |
| F/O | meto power | |
| F/E | setting meto power on three | |
| PIC | ok take it away | |
| F/O | ok | |
| F/O | flaps all the way up | |
| F/E | coming on all four | |
| F/E | Climb power now Sir | |
| F/O | ah yes please | |
| 1:33 | F/E | this is normal bleed | 
| PIC | ok it wasn't too bad | |
| 1:55 | F/E | have climb power | 
| F/O | thank you | |
| PIC | ok this is good for go | |
| PIC | " normal debriefing " after a/c full established | |
| F/E | 1013 | |
| PIC | 1013 | |
| 2:42 | F/E | we got 83 | 
| F/E | the after-take-off list is now completed | |
| ............. | ||
| "voices of passengers" | ||
| "joking" | ||
| 3:46 | F/O | we are out of 10 | 
| 3:49 | PIC | Kuito, red cross 880 is airborn 0650 and we will be in Benguela at 0730, climbing to flight level 240 | 
| "Conversation on VHF between RX07 and air ops Huambo and at the same time communications RX880 and Kuito TWR " | ||
| 4:22 | ATC | "ETA Benguela confirm" | 
| PIC | Benguela estimate 0740 | |
| ATC | "Benguela roger - report 240" | |
| 4:36 | PIC | Roger will do | 
| 4:45 | F/O | Autopilot is going .... in | 
| 5:23 | "Bang" (loud explosion) | |
| 5:25 | Oh god | |
| 5:26 | F/E | no 3 engine | 
| 5:27 | F/E | Shut it down | 
| F/O | And nacell fire sir | |
| 5:32 | PIC | Fire the bottle | 
| 5:40 | F/O | Fire light still on | 
| F/E | Garry go and check pls | |
| 5:45 | "Bang" (headset) | |
| 5:49 | PIC | What the fuck was that ? | 
| F/E | Had a turbine exploded I think | |
| according to NTSB Need help, down the back, we are on fire over or according to Zimax: I made up we are under groundfire | ||
| Is it ? | ||
| 5:55 | L/M | We got a total fire, a total fire | 
| ok | ||
| 5:56 | F/O | Return | 
| PIC | According the (speed) ok no problem | |
| 6:01 | Check ...... | |
| 6:53 | Sound (self test of the CVR) | |
| 7:05 | End of tape |