# NTSB investigations: Pilatus PC-12/45: Loss of control in flight

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 CEN24FA064](https://openairdocs.org/ntsb/CEN24FA064.md): Pilatus PC-12/45 · Christoval, TX · Accident · 2 fatal · Class 3 · Field · Final report · Dec 14, 2023 · N188PC · Substantial damage
  > The instrument-rated pilot and a passenger departed on an instrument flight rules (IFR) flight. After about 4.5 hours, while approaching the first planned fuel stop, the airplane was in instrument meteorological conditions (IMC). According to air traffic…
- [NTSB WPR23MA113](https://openairdocs.org/ntsb/WPR23MA113.md): Pilatus PC-12/45 · Stagecoach, NV · Accident · 5 fatal · Class 2 · Major · Final report · Feb 25, 2023 · N273SM · Substantial damage
  > The pilot’s loss of control due to spatial disorientation while operating in night instrument meteorological conditions, which resulted in an in-flight breakup. Contributing to the accident was the disengagement of the autopilot for undetermined reasons, as…
- [NTSB ERA13FA115](https://openairdocs.org/ntsb/ERA13FA115.md): Pilatus PC-12/45 · Burlington, NC · Accident · 1 fatal · Field investigation · Final report · Jan 16, 2013 · N68PK · Substantial damage
  > The pilot's failure to maintain airplane control due to spatial disorientation during the initial climb after takeoff in night instrument flight rules conditions.
- [NTSB ERA09FA376](https://openairdocs.org/ntsb/ERA09FA376.md): Pilatus PC-12/45 · Raphine, VA · Accident · 4 fatal · Field investigation · Final report · Jul 5, 2009 · N578DC · Substantial damage
  > The pilot's failure to maintain control of the airplane while in instrument meteorological conditions following a reported instrumentation failure for undetermined reasons.
- [NTSB WPR09MA159](https://openairdocs.org/ntsb/WPR09MA159.md): Pilatus PC-12/45 · Butte, MT · Accident · 14 fatal · Class 1 · Major · Final report · Mar 22, 2009 · N128CM · Substantial damage
  > (1) the pilot's failure to ensure that a fuel system icing inhibitor was added to the fuel before the flights on the day of the accident; (2) his failure to take appropriate remedial actions after a low fuel pressure state (resulting from icing within the…
- [NTSB CEN09FA126](https://openairdocs.org/ntsb/CEN09FA126.md): Pilatus PC-12/45 · Hayden, CO · Accident · 2 fatal · Field investigation · Final report · Jan 11, 2009 · N604WP · Destroyed
  > The pilot's loss of control due to snow/ice contamination on the airplane's lifting surfaces as a result of his decision not to deice the airplane before departure.

## 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 ('7090551', '7090051')
    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" = '240' 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/240/sequence?model=7090551

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