# NTSB investigations, IN: Flight instrument malf/fail

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 CEN12LA532](https://openairdocs.org/ntsb/CEN12LA532.md): Cessna 177B · Evansville, IN · Accident · No injuries · Limited investigation · Final report · Aug 7, 2012 · N34283 · Substantial damage
  > The pilot’s loss of control due to an inaccurate attitude reference, which was caused by an impending (“in process”) failure of the bearing in the attitude indicator.
- [NTSB CEN09LA276](https://openairdocs.org/ntsb/CEN09LA276.md): Hawkins August E Aventura II · Griffith, IN · Accident · Serious injuries · Limited investigation · Final report · May 2, 2009 · N20GH · Substantial damage
  > The pilot's failure to maintain control of the airplane due to an inadvertent stall. Contributing to the accident was the failure of the airspeed indicator due to separation of the pitot-static line at the left wing root.

## 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" = 'IN' 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" = '334' 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/334/sequence?state=IN

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
