# NTSB investigations: Air Tractor AT-502B: Loss of engine power (partial)

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 CEN21LA362](https://openairdocs.org/ntsb/CEN21LA362.md): Air Tractor AT-502B · Topeka, KS · Accident · No injuries · Class 4 · Limited · Final report · Aug 6, 2021 · N502CP · Substantial damage
  > The pilot’s decision to continue low-level aerial application flight maneuvers after the low fuel warning light illuminated, which resulted in a partial loss of engine power due to fuel exhaustion.
- [NTSB CEN18LA249](https://openairdocs.org/ntsb/CEN18LA249.md): Air Tractor AT502 · Tappen, ND · Accident · No injuries · Limited investigation · Final report · Jun 28, 2018 · N502S · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN15LA389](https://openairdocs.org/ntsb/CEN15LA389.md): Air Tractor AT 502B · Monroe, NE · Accident · Minor injuries · Limited investigation · Final report · Aug 27, 2015 · N61267 · Substantial damage
  > Loss of propeller thrust for reasons that could not be determined, since examination of the airplane's engine, propeller, and associated accessories revealed no anomalies.
- [NTSB CEN15LA226](https://openairdocs.org/ntsb/CEN15LA226.md): Air Tractor AT 502B · Dighton, KS · Accident · No injuries · Limited investigation · Final report · May 10, 2015 · N879JA · Substantial damage
  > The pilot's failure to follow the Preflight checklist and his inadequate preflight inspection, during which he failed to detect the water contamination of the fuel, which resulted in a partial loss of engine power during initial climb.
- [NTSB WPR14LA245](https://openairdocs.org/ntsb/WPR14LA245.md): Air Tractor AT 502B · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Jun 13, 2014 · N502JS · Substantial damage
  > The partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN13LA402](https://openairdocs.org/ntsb/CEN13LA402.md): Air Tractor AT-502B · Tillar, AR · Accident · No injuries · Limited investigation · Final report · Jul 3, 2013 · N5182C · Substantial damage
  > The loss of engine throttle control during takeoff due to an unsecured cockpit throttle control pin, which resulted in a runway overrun.
- [NTSB DFW08LA167](https://openairdocs.org/ntsb/DFW08LA167.md): Air Tractor AT-502B · Bethany, MO · Accident · No injuries · Limited investigation · Final report · Jun 24, 2008 · N5005G · Substantial damage
  > The pilot's decision to take off with a known deficiency.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390307')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '342' 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/342/sequence?model=0390307

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