CEN19LA244 · Air Tractor AT 602
Delta Dusters II Air Tractor AT 602 · Accident: fuel contamination during initial climb
From Walls, MS (private airstrip) to Walls, MS (private airstrip)
Event
- NTSB case
- CEN19LA244
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Completed
- API-reported fatalities
- 0 · all aircraft and ground
- Ground fatalities
- Unknown
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- General aviation
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Visual Meteorological Cond
Air Tractor AT 602
- Aircraft type
- Air Tractor AT-602
- Category
- Airplane
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- N50634
- Operator
- Delta Dusters II
- Onboard fatalities
- Unknown
- Route
- From Walls, MS (private airstrip)To Walls, MS (private airstrip)
- Aircraft age
- About 21 years (built 1998)
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Part 137: Agricultural
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- Initial climb
- Defining eventThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- Fuel contamination
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Substantial
Cause areas
- Aircraft › Aircraft handling/service
- Aircraft › Fluids/miscellaneous hardware
Approximate · Coordinates from the NTSB case API, which marks them as estimated or does not say; no uncertainty radius is established.
NTSB narrative
The pilot reported that he had been conducting an aerial application flight for a few hours and returned to the airport to reload. While one loader was loading, another loader used a forklift to tilt the fuel tank so that fuel would flow toward the suction hose on the tank. The airplane was fueled with about 100 gallons of fuel. Once loading was complete, the pilot departed. He reported that the takeoff was normal until about 1/4 mile past the end of the airstrip; the airplane then lost engine power, which resulted a forced landing and substantial damage to the fuselage and right wing. He reported that the airplane had been functioning normally up until that time. A postaccident examination of the airplane revealed a large quantity of water contamination in the fuel system components. No other preimpact anomalies were detected. Based on the available evidence, it is likely that ground personnel’s use of the forklift to tilt the fuel tank allowed water that had settled in the bottom of the tank to be drawn into the suction hose, thereby contaminating the fuel being delivered to the airplane. The resulting contamination of the airplane's fuel supply was significant enough to result in the loss of engine power.
Probable cause
The improper fuel servicing of the airplane, which resulted in water contamination of the airplane's fuel supply and a subsequent loss of engine power.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record CEN19LA244
- Event ID
- 20190724X41953
- Case number
- CEN19LA244
- Dataset
- full-current
- Source SHA-256
- 5cf380f0061817c0331a6b2d8cc7e0ee3a79bea469a1001dc5c10e56f35f5ab3
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- Filled from the NTSB case API where the bulk record had no value: investigation status, coordinates. Values present in the bulk record are kept.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: a49eb37dba7d9d1c0d4a81077a4434347aa8f7005654d47410ed263f669930fd; retrieved 2026-09-16T09:32:28.772Z.