ASN Aircraft accident IRMA/Britten-Norman BN-2A-9 Islander 5H-UNT Nangungu
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Status:Accident investigation report completed and information captured
Date:Friday 15 September 2006
Time:09:12
Type:Silhouette image of generic BN2P model; specific model in this crash may look slightly different
IRMA/Britten-Norman BN-2A-9 Islander
Operator:Safari Express Airways
Registration: 5H-UNT
MSN: 773
First flight: 1976-02-09 (30 years 8 months)
Crew:Fatalities: 0 / Occupants: 1
Passengers:Fatalities: 0 / Occupants: 6
Total:Fatalities: 0 / Occupants: 7
Aircraft damage: Substantial
Aircraft fate: Written off (damaged beyond repair)
Location:Nangungu (   Tanzania)
Phase: En route (ENR)
Nature:Domestic Non Scheduled Passenger
Departure airport:Klein's Camp Airstrip, Tanzania
Destination airport:Arusha Airport (ARK/HTAR), Tanzania
Narrative:
The aircraft was operating a Safari Express Airways charter flight from Klein's Camp to Arusha. The pilot left Arusha the previous day with 185 gallons of fuel and had a night stop in Lake Manyara after flying 5 sectors. There is no record of any refueling in between the sectors. On the next day he flew 3 sectors before the last one, the fourth between and Arusha.
The pilot stated that he flew at 7500 feet from Klein's Camp to Arusha. When initiating a descend about 11 nm from Arusha, both engines stopped simultaneously. The pilot tried to restart them but failed. He then force-landed at Nangungu in Moduli in an open field.
The forced landing in uneven ground resulted in the collapse of left main gear after it contacted a boulder. The left wing consequently contacted the ground. The aircraft suffered damage only on the left wing and the left engine propeller.
The passengers deplaned safely and no one was injured. Beside damage to the left wing, left engine propeller and the collapsed main gear, the aircraft cabin and the cockpit were intact.
Physical inspection of the wing fuel tanks indicated that all main and tip tanks were completely empty.

Probable Cause:

The investigation report did not contain a probable cause statement per ICAO Annex 13.

Accident investigation:

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Investigating agency: AIB Tanzania
Status: Investigation completed
Accident number: CAV/ACC/10/06
Download report: Final report

Classification:
Fuel exhaustion
All engine powerloss
Forced landing outside airport

Sources:
» Airlinerlists.com


Follow-up / safety actions

AIB Tanzania issued 2 Safety Recommendations

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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 Klein's Camp Airstrip to Arusha Airport as the crow flies is 231 km (145 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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