ASN Aircraft accident Douglas DC-6A/B N90779 Guam-Agana NAS (NGM)
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Status:Accident investigation report completed and information captured
Date:Monday 19 September 1960
Type:Silhouette image of generic DC6 model; specific model in this crash may look slightly different
Douglas DC-6A/B
Operator:World Airways
Registration: N90779
MSN: 44914/646
First flight: 1956
Total airframe hrs:12746
Engines: 4 Pratt & Whitney R-2800-CB17
Crew:Fatalities: 7 / Occupants: 8
Passengers:Fatalities: 73 / Occupants: 86
Total:Fatalities: 80 / Occupants: 94
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:3,7 km (2.3 mls) NE of Guam-Agana NAS (NGM) (   Guam)
Phase: En route (ENR)
Nature:Domestic Non Scheduled Passenger
Departure airport:Guam-Agana NAS (NGM), Guam
Destination airport:Wake Island Airport (AWK/PAWK), U.S. Minor Outlying Islands
Flightnumber: 830
World Airways Flight 830 was a passenger flight on behalf of the U.S. Military Air Transport Service. The flight originated at Clark Air Force Base, Philippine Islands, and departed there at 18:57 Guam time on September 18, 1960, and arrived at Agana Naval Air Station, Guam, at 01:50 on September 19, 1960. The flight was to continuation to Wake Island, Honolulu, and Travis Air Force Base, California.
The Douglas DC-6 took off from Guam-Agana NAS runway 05L at 06:00 for a night-time VFR flight. The plane made a right turn after takeoff and climbed continuously until striking Mount Barrigada.
The plane struck the mountain 300 feet above airfield elevation and slid into thick underbrush cutting a swath for nearly 1000 feet before coming to rest.

Probable Cause:

PROBABLE CAUSE: "The failure of the pilot to comply with published departure procedures applicable to runway 6 left and 6 right."

Accident investigation:

Investigating agency: CAB
Status: Investigation completed
Duration: 1 year and 10 months
Accident number: File No. 1-0029
Download report: Final report

Controlled Flight Into Terrain (CFIT) - Mountain


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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 Guam-Agana NAS to Wake Island Airport as the crow flies is 2402 km (1502 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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Douglas DC-6

  • 704 built
  • 46th loss
  • 33rd fatal accident
  • The worst accident (at the time)
  • 4th worst accident (currently)
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  • The worst accident (at the time)
  • 2nd worst accident (currently)
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