Grumman G-164A accident near Greenwood, Florida, July 11, 1991
On July 11, 1991 at about 10:00 pm local time, a Grumman G-164A, registered N6891Q, was destroyed in an accident near Greenwood, Florida. 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 INADEQUATE PREFLIGHT WHICH RESULTED IN DEBRIS IN THE COCKPIT WHICH REDUCED THE PILOT'S VISUAL LOOKOUT. UNSUITABLE TERRAIN ENCOUNTERED DURING THE LANDING WAS A FACTOR.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 11, 1991 · about 10:00 pm local time
- Place
- Greenwood, Florida · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman G-164A · all G-164As on the register
- Registration
- N6891Q · no longer on the register · serial 1729
- Damage
- Destroyed
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
THE PLT STATED THAT WHILE ON A SWATH RUN, DEBRIS IN THE COCKPIT TEMPORARILY BLINDED HIM. HE INITIATED A CLIMB BUT THE ACFT COLLIDED WITH TREE TOPS. HE THEN DUMPED THE CHEMICAL LOAD AND LANDED ON A NEARBY ROAD ADJACENT TO THE FIELD HE WAS SPRAYING. THE ACFT TRAVELLED OFF THE END OF THE ROAD AND COLLIDED WITH FENCE POSTS AND TREES BEFORE GOING INVERTED. THE ACFT WAS DESTROYED BY FIRE.
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: 7,000 hours in all; 875 in this make and model; 250 in the last 90 days; 175 in the last 30 days; 6,745 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 4,500 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W PT6A-20A (turboprop); 0 hours total
- Fire on the ground
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 270° at 7 knots
- Visibility: 6 statute miles
- Temperature: 91°F (33°C), dew point 72°F (22°C)
- Altimeter: 30.00 inHg
- Observation at 9:51 pm from DHN, 63 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.