ANC19FA021 · Bradshaw / McCauley Giles G-202
Bradshaw / McCauley Giles G-202 · Accident: fuel contamination during takeoff
From Wasilla Airport (IYS) to Wasilla Airport (IYS)
Event
- NTSB case
- ANC19FA021
- 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
- 1 · 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
Bradshaw / McCauley Giles G-202
- Aircraft type
- Bradshaw / Mccauley GILES G-202
- 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
- N202AK
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From Wasilla Airport (IYS), Wasilla, AKTo Wasilla Airport (IYS), Wasilla, AK
- 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 91: General Aviation
- 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
- Takeoff
- 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 oper/perf/capability
- Aircraft › Aircraft systems
- Aircraft › Fluids/miscellaneous hardware
- Personnel issues › Task performance
Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.
NTSB narrative
During the airplane's takeoff roll, two witnesses reported that the engine sounded unusual; the airplane became airborne and flew in ground effect until it reached the end of the runway and then pitched up abruptly. As the airplane reached about 500 feet agl, the engine sputtered and the airplane made a hard-left turn and pitched down. After the loss of engine power, the pilot likely initiated a return to the runway environment, during which the airplane impacted terrain. The airplane was heard regaining power as it descended below the tree line, just prior to impacting the ground.
In a postaccident examination, the electric fuel pump was found seized with contaminants inside the internal fuel passages.
The contaminants were determined to be consistent with a mixture of fuel additives such as anti-static and anti-corrosion additives. It is likely that, during the takeoff, the electric fuel pump seized due to the fuel contamination and restricted fuel flow to the engine. The engine then experienced a degree of fuel starvation which resulted in reduced engine power.
Probable cause
The pilot's failure to maintain control after the partial loss of engine power. Contributing to the accident was a contamination of the fuel system, which likely seized the electric fuel pump and restricted fuel flow to the engine.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record ANC19FA021
- Event ID
- 20190603X40512
- Case number
- ANC19FA021
- 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. 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: e1d34bed35071898668502a3cf4cde154b9d5eed9f6920633957b94349f5353c; retrieved 2026-09-15T06:59:13.804Z.