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Accidents · NTSB LAX83FUG20 · Preliminary: the investigation is not finished

Grumman AMERICAN AA-5A accident near Chino, California, August 3, 1983

On August 3, 1983 at about 6:51 pm local time, a Grumman AMERICAN AA-5A, registered N26798, was substantially damaged in an accident near Chino, California (Chino airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

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

What the record shows

Date
August 3, 1983 · about 6:51 pm local time
Place
Chino, California · Chino
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Grumman AMERICAN AA-5A AMERICAN A
Registration
N26798 · no longer on the register · serial AA5A0732
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT STATED THAT ON TAKEOFF FROM A TOUCH AND GO LANDING THE ACFT LOST POWER. THE FUEL BOOST PUMPS WERE ON AND THE MIXTURE WAS FULL RICH. HE SWITCHED FUEL TANKS BUT THE ENGINE DID NOT REGAIN POWER. THE ACFT WAS LANDED IN A HAY FIELD. A POST ACCIDENT RUN OF THE ENGINE DISCLOSED A SHORTED LEAD FROM THE NO. 2 MAGNETO.

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: private
  • Ratings: single-engine land
  • Flight time: 155 hours in all; 80 in this make and model; 3 in the last 90 days; 109 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 1,316 hours
  • Last inspection: 100-hour inspection, November 19, 1982; 153 hours since
  • Maximum gross weight: 2,200 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320-E2G (piston); 0 hours total
  • Operator: Great American Aero

The flight

  • Departed from: FUL Fullerton CA
  • Flight plan: none
  • Runway 26, 3,800 ft by 150 ft

Weather at the time

  • Light: daylight
  • Visibility: 5 statute miles
  • Sky: clear
  • Temperature: 95°F (35°C), dew point 7°F (-14°C)
  • Altimeter: 30.00 inHg

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.

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.