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Date:Sunday 26 September 1976
Type:Silhouette image of generic GLF2 model; specific model in this crash may look slightly different
Grumman G-1159 Gulfstream II
Operator:Johnson & Johnson Inc.
Registration: N500J
MSN: 60
First flight: 1969
Total airframe hrs:3216
Engines: 2 Rolls-Royce Spey 511-8
Crew:Fatalities: 3 / Occupants: 3
Passengers:Fatalities: 8 / Occupants: 8
Total:Fatalities: 11 / Occupants: 11
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:Hot Springs-Ingalls Field, VA (HSP) (   United States of America)
Crash site elevation: 995 m (3264 feet) amsl
Phase: Approach (APR)
Departure airport:Trenton-Mercer County Airport, NJ (TTN/KTTN), United States of America
Destination airport:Hot Springs-Ingalls Field, VA (HSP/KHSP), United States of America
Descended below decision height while on a runway 24 ILS approach and impacted terrain 500 feet below the runway elevation of 3,766 feet. Weather included indefinite ceiling - 100 feet, sky obscured, visibility 1/8 mile in fog.

Probable Cause:

PROBABLE CAUSE: "The National Transportation Safety Board could not determine the probable cause of the aircraft's descent below decision height and impact with terrain 500 ft below the elevation of the runway."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report
Language: English

Cause undetermined
Controlled Flight Into Terrain (CFIT) - Ground

Follow-up / safety actions

NTSB issued 6 Safety Recommendations

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photo of Grumman-G-1159-Gulfstream-II-N500J
photo of Grumman-G-1159-Gulfstream-II-N500J
accident date: 26-09-1976
type: Grumman G-1159 Gulfstream II
registration: N500J

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 Trenton-Mercer County Airport, NJ to Hot Springs-Ingalls Field, VA as the crow flies is 501 km (313 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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  • 1616+ built
  • 4th loss
  • 3rd fatal accident
  • The worst accident (at the time)
  • 5th worst accident (currently)
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