ASN Aircraft accident Convair CV-990-30A-5 Coronado N7876 Guam-Agana NAS (NGM)
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Status:Accident investigation report completed and information captured
Date:Monday 10 September 1973
Type:Silhouette image of generic CV99 model; specific model in this crash may look slightly different
Convair CV-990-30A-5 Coronado
Operator:California Airmotive Corp.
Registration: N7876
MSN: 30-10-4
First flight:
Engines: 4 General Electric CJ805-23
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 4
Aircraft damage: Damaged beyond repair
Location:Guam-Agana NAS (NGM) (   Guam)
Phase: Landing (LDG)
Departure airport:Jakarta-Kemayoran Airport (JKT), Indonesia
Destination airport:Guam-Agana NAS (NGM), Guam
After an ILS approach in marginal weather (heavy rainstorm), the aircraft touched down 500 m past the threshold. The Convair then veered to the left and collided with a GCA unit (1006 m past runway threshold and 45 to the left) and a fire fighting water wagon.

Probable Cause:

pilot in command - improper in-flight decisions or planning
weather - turbulence, associated w/clouds and/or thunderstorms
miscellaneous acts,conditions - overload failure
weather briefing - no record of briefing received
weather forecast - unknown/not reported

Runway excursion

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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 Jakarta-Kemayoran Airport to Guam-Agana NAS as the crow flies is 4709 km (2943 miles).
Accident location: Exact; deduced from official accident report.

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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