# NTSB investigations, WA: Fuel contamination

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR21LA015](https://openairdocs.org/ntsb/WPR21LA015.md): Cessna 152 · South Hill, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 15, 2020 · N6585L · Substantial damage
  > The pilot’s failure to ensure that the fuel supply had been completely drained of water, which resulted in a partial loss of engine power during takeoff due to water contamination.
- [NTSB WPR18LA042](https://openairdocs.org/ntsb/WPR18LA042.md): Cessna 152 · Everett, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 3, 2017 · N714TD · Substantial damage
  > The flight instructor’s inadequate preflight inspection, during which he failed to ensure that water was sufficiently drained from the fuel system, which resulted in total loss of engine power and a subsequent forced landing and impact with objects.
- [NTSB WPR16LA021](https://openairdocs.org/ntsb/WPR16LA021.md): MD Helicopter 369D · Sedro-Woolley, WA · Accident · No injuries · Limited investigation · Final report · Nov 3, 2015 · N510PA · Substantial damage
  > The loss of engine power due to fuel starvation as a result of naphthenate fuel contamination, which blocked the fuel flow through the start pump.
- [NTSB WPR15LA111](https://openairdocs.org/ntsb/WPR15LA111.md): Piper PA46 - 350P · Spokane, WA · Accident · 1 fatal · Limited investigation · Final report · Feb 22, 2015 · CGVZW · Destroyed
  > A total loss of engine power due to the refueler’s incorrect refueling of the airplane. Contributing to the accident was the fixed-base operator’s improper fueling nozzle, which facilitated the use of an incorrect fuel, and the pilot’s inadequate preflight…
- [NTSB WPR13FA141](https://openairdocs.org/ntsb/WPR13FA141.md): Maule M5 · Woodinville, WA · Accident · 1 fatal · Field investigation · Final report · Mar 9, 2013 · N17PR · Substantial damage
  > The pilot's failure to maintain adequate airspeed following a total loss of engine power due to fuel contamination, which resulted in a stall/spin and subsequent impact with terrain.
- [NTSB WPR11LA369](https://openairdocs.org/ntsb/WPR11LA369.md): Cessna 140 · Wilkeson, WA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2011 · N2199N · Substantial damage
  > A partial loss of engine power during takeoff due to water contamination in the fuel system.
- [NTSB WPR10LA313](https://openairdocs.org/ntsb/WPR10LA313.md): De Havilland DHC-1 · Port Orchard, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 2010 · N6540C · Substantial damage
  > A loss of engine power during initial climb due to water contamination in the fuel.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'WA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '193' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/193/sequence?state=WA

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