Grumman-Schweizer G-164B accident near Humphrey, Arkansas, May 4, 2007
On May 4, 2007 at about 10:00 pm local time, a Grumman-Schweizer G-164B, registered N668FA, was destroyed in an accident near Humphrey, Arkansas. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 1 person had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The pilot's failure to maintain sufficient clearance between the airplane and the power lines. A factor was the power lines.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 4, 2007 · about 10:00 pm local time
- Place
- Humphrey, Arkansas · map
- Type
- Accident
- Injuries
- 1 person had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman-Schweizer G-164B
- Registration
- N668FA · no longer on the register · serial 499B
- Damage
- Destroyed
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
The agricultural airplane was destroyed after it struck power lines and impacted terrain in an open field. The pilot stated that as he completed his last spray run on a rice field, he departed the area to the south, gained altitude, and impacted the power lines running perpendicular across the field. No mechanical problems with the airplane were reported prior to the accident.
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: 13,000 hours in all; 7,000 in this make and model; 110 in the last 90 days; 65 in the last 30 days; 12,500 as pilot in command
- Last flight review: March 1, 2007
- Medical certificate: Class 2 (with waivers/limitations)
- Seat: sngl
- Injury: minor injuries
The aircraft
- Last inspection: annual inspection, November 1, 2006
- Seats: 1
- Landing gear: fixed
- Engine: Pratt & Whitney Canada PT6A-20 (turboprop); 0 hours total
The flight
- Departed from: SGT Stuttgart AR at 9:45 pm
- Flight plan: none
Weather at the time
- Light: daylight
- Wind: from 235° at 7 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 82°F (28°C), dew point 64°F (18°C)
- Altimeter: 29.84 inHg
- Observation at 10:15 pm from KSGT, 8 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.