Air Tractor INC AT-602 accident near Knobel, Arkansas, June 30, 2009
On June 30, 2009, a Air Tractor INC AT-602, registered N5192T, was substantially damaged in an accident during maneuvering near Knobel, Arkansas. 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 P-3 tube resulting in the loss of engine power.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 30, 2009
- Place
- Knobel, Arkansas · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Air Tractor INC AT-602 · all AT-602s on the register
- Registration
- N5192T · registry record · serial 602-0527
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
According to the commercial pilot, he was maneuvering the airplane to apply fertilizer to a customer's field when the engine lost power. The commercial pilot performed a forced landing to a flooded rice field resulting in substantial damage to the left wing spar and firewall. An examination of the engine revealed that the P-3 tube had failed. No other anomalies were noted with the airplane's airframe, engine, or related systems.
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
What happened, in order
- Powerplant sys/comp malf/fail during maneuvering defining event
- Loss of engine power (partial) during maneuvering
- Off-field or emergency landing during emergency descent
The NTSB's findings
- cause Aircraft › Aircraft power plant › Engine bleed air system › (general) › Failure
Pilot
- Certificate: commercial pilot
- Ratings: single-engine land
- Flight time: 5,200 hours in all; 2,000 in this make and model; 246 in the last 90 days; 146 in the last 30 days; 5,000 as pilot in command
- Last flight review: April 20, 2009
- Medical certificate: Class 2 (without waivers/limitations)
- Seat: frt
- Injury: no injuries
The aircraft
- Airframe total time: 3,600 hours
- Last inspection: 100-hour inspection, June 26, 2009
- Seats: 2
- Landing gear: fixed
- Engine: P&W Canada PT6A-66 SER (turboprop); 0 hours total
- Operator: R & W Flying INC
The flight
- Departed from: Knobel AR
- Destination: Knobel AR
- Flight plan: none
Weather at the time
- Light: daylight
- Wind: from 340° at 8 knots
- Sky: clear
- Temperature: 91°F (33°C), dew point 0°F (-18°C)
- Altimeter: 29.92 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight 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 N5192T 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.