# NTSB investigations, ID: Unknown or undetermined

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 WPR22FA173](https://openairdocs.org/ntsb/WPR22FA173.md): Blue Side UP Comp AIR 8 SS52 · Grasmere, ID · Accident · 2 fatal · Class 3 · Field · Final report · May 8, 2022 · N801DT · Substantial damage
  > The pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB WPR21LA354](https://openairdocs.org/ntsb/WPR21LA354.md): Hiller UH-12E · Bovill, ID · Accident · No injuries · Class 3 · Limited · Final report · Sep 23, 2021 · N5334V · Substantial damage
  > A loss of helicopter control for undetermined reasons based on the available evidence for this accident.
- [NTSB WPR21FA330](https://openairdocs.org/ntsb/WPR21FA330.md): Cessna TU206F · Bernard, ID · Accident · 2 fatal · Class 3 · Field · Final report · Aug 28, 2021 · N922MA · Substantial damage
  > The pilot’s decision to continue the flight into a canyon that exceeded the performance capabilities of the airplane, which resulted in an impact with trees an terrain.
- [NTSB WPR21LA220](https://openairdocs.org/ntsb/WPR21LA220.md): Piper PA-24 · Paris, ID · Accident · Serious injuries · Class 3 · Limited · Final report · May 29, 2021 · N6334P · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB WPR20LA191](https://openairdocs.org/ntsb/WPR20LA191.md): Enstrom 280 · Hayden, ID · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 24, 2020 · N280MM · Destroyed
  > The total loss of power while maneuvering at low altitude due to the detonation of two engine cylinders and damaged spark plugs.
- [NTSB WPR19LA120](https://openairdocs.org/ntsb/WPR19LA120.md): Piper PA 18 225 DD · McCall, ID · Accident · No injuries · Class 3 · Limited · Final report · Apr 23, 2019 · N727WW · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR17LA195](https://openairdocs.org/ntsb/WPR17LA195.md): Walker Edgar E Glastar · Cascade, ID · Accident · 1 fatal · Limited investigation · Final report · Sep 2, 2017 · N65EW · Destroyed
  > The pilot's inadequate flight planning, preparation, and navigation, which resulted in the airplane entering a canyon that the pilot was unable to exit by climbing the airplane. Also causal were his in-flight decision-making and his execution of the course…
- [NTSB WPR15FA206](https://openairdocs.org/ntsb/WPR15FA206.md): Piper PA 22-135 · Carey, ID · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2015 · N8195C · Destroyed
  > Undetermined because examination of the airplane wreckage did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR15LA001](https://openairdocs.org/ntsb/WPR15LA001.md): Gaston Thomas D Thunder Mustang · Council, ID · Accident · 1 fatal · Limited investigation · Final report · Oct 3, 2014 · N51TG · Destroyed
  > The pilot's failure to maintain control while maneuvering for landing following a loss of oil pressure. Contributing to the accident was foreign material contamination of the oil system due to improper maintenance.
- [NTSB WPR12TA445](https://openairdocs.org/ntsb/WPR12TA445.md): Beech C90 · Boise, ID · Accident · No injuries · Final report · May 10, 2012 · N14CP · Substantial damage
  > Excessive loading on the left wing, which occurred over a period of time. Contributing to the accident was maintenance personnel’s failure to adequately inspect and document the left wing damage.
- [NTSB WPR10FA295](https://openairdocs.org/ntsb/WPR10FA295.md): Kaman Aerospace K-1200 · Donnelly, ID · Accident · 1 fatal · Field investigation · Final report · Jun 16, 2010 · N134WC · Substantial damage
  > The collision of two counter-rotating main rotor blades for undetermined reasons, which resulted in a loss of control.

## 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" = 'ID' 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" = '000' 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/000/sequence?state=ID

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