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Accidents · NTSB LAX96LA299 · Final report

Grumman-Schweizer G-164A accident near Caruthers, California, August 8, 1996

On August 8, 1996 at about 2:50 pm local time, a Grumman-Schweizer G-164A, registered N8598H, was substantially damaged in an accident near Caruthers, California. It was a positioning flight under general aviation rules (Part 91). 1 person had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

the loss of engine power due to the failure of a cylinder. The road's soft surface was a factor.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
August 8, 1996 · about 2:50 pm local time
Place
Caruthers, California · map
Type
Accident
Injuries
1 person had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Grumman-Schweizer G-164A
Registration
N8598H · no longer on the register · serial 1429
Damage
Substantial damage
Flight
Positioning flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The pilot reported that he took off and flew for about 1/8 mile. During the flight the engine became very rough, he was unable to maintain altitude, and he made a forced landing on a dirt road. The road had a soft surface, and during rollout the airplane nosed over. The operator reported that the airplane's total time was 9,749 hours, and it was used in agricultural work. The engine had been operated for 750 hours since last being overhauled. The No. 3 cylinder head had failed upon separating from the barrel.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: commercial pilot
  • Ratings: single-engine land
  • Flight time: 4,000 hours in all; 3,000 in this make and model; 200 in the last 90 days; 100 in the last 30 days; 4,000 as pilot in command
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: ctr

The aircraft

  • Airframe total time: 9,749 hours
  • Last inspection: annual inspection, August 1, 1996; 36 hours since
  • Maximum gross weight: 7,470 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: P&W R-1340 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 75°F (24°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Other NTSB records under N8598H the same tail number, which may have belonged to a different aircraft at the time

2015-06-21WPR15LA194 · accident near Five Points, CA · substantial damage · minor injuries

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.