Grumman G-164B accident near Robbins, California, June 23, 1992
On June 23, 1992 at about 2:30 pm local time, a Grumman G-164B, registered N48658, was substantially damaged in an accident near Robbins, California (Akins Farm Airstrip airport). It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 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 FAILURE OF THE PILOT TO MAINTAIN AN ADEQUATE WING TIP CLEARANCE BETWEEN THE AIRCRAFT AND A DIRT BANK PARALLELING THE AIRSTRIP.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 23, 1992 · about 2:30 pm local time
- Place
- Robbins, California · Akins Farm Airstrip
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman G-164B · all G-164Bs on the register
- Registration
- N48658 · no longer on the register · serial 125B
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT SAID THAT ON TOUCHDOWN THE LOWER LEFT WING CONTACTED A DIRT BANK WHICH SLEWED THE AIRCRAFT INTO A RIGHT SIDEWAYS SKID. THE RIGHT MAIN LANDING GEAR SEPARATED FROM THE AIRCRAFT. FAA INSPECTORS REPORTED NO PREIMPACT MECHANICAL FAILURES OR FAILURES.
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; instrument: airplane
- Flight time: 5,715 hours in all; 1,355 in this make and model; 448 in the last 90 days; 155 in the last 30 days; 5,556 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 8,216 hours
- Last inspection: annual inspection, June 16, 1992; 94 hours since
- Maximum gross weight: 6,075 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W R1340 (piston); 0 hours total
- Operator: Wagner Aviation
The flight
- Flight plan: none
- Runway 18, 2,000 ft by 50 ft
Weather at the time
- Light: daylight
- Visibility: 20 statute miles
- Sky: clear
- Temperature: 63°F (17°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
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 N48658 the same tail number, which may have belonged to a different aircraft at the time
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.