Schweizer G-164B accident near Sacramento, California, April 27, 1993
On April 27, 1993 at about 8:15 pm local time, a Schweizer G-164B, registered N8307K, was substantially damaged in an accident near Sacramento, California. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 1 person was seriously injured. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
failure of the pilot in command to maintain adequate airspeed during a low altitude maneuvering turn which resulted in an inadvertent stall.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- April 27, 1993 · about 8:15 pm local time
- Place
- Sacramento, California · map
- Type
- Accident
- Injuries
- 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Schweizer G-164B
- Registration
- N8307K · registry record · serial 654B
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
A SCHWEIZER G164B COLLIDED WITH LEVEL TERRAIN AFTER AN INFLIGHT LOSS OF CONTROL WHILE APPLYING FERTILIZER. THE PILOT REPORTED THAT HE INADVERTENTLY STALLED THE AIRPLANE WHILE EXECUTING AN AERIAL APPLICATION MANEUVERING TURN. THE PILOT FURTHER INDICATED THAT THE STALL WAS NOT PRECEDED BY THE CUSTOMARY BUFFET CHARACTERISTIC OF THE AIRPLANE. THE AIRPLANE WAS EQUIPPED WITH A STALL WARNING LIGHT IN THE COCKPIT, BUT THE PILOT INDICATED HIS ATTENTION WAS OUTSIDE THE COCKPIT CLEARING THE AIRPLANE OF THE NEARBY WIRES THAT COULD OBSTRUCT HIS FLIGHT PATH.
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: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane
- Flight time: 1,500 hours in all; 700 in this make and model
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: frt
The aircraft
- Last inspection: annual inspection
- Maximum gross weight: 6,000 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W R1340-AN1 (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 360° at 4 knots
- Visibility: 30 statute miles
- Sky: clear
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
- Observation at 8:45 pm from SMF, 2 miles away
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.
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.