# NTSB investigations: Indep instrument (clock, etc)

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 ERA17LA163](https://openairdocs.org/ntsb/ERA17LA163.md): Robinson R44 · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Apr 20, 2017 · N899GB · Substantial damage
  > A partial failure of the helicopter's engine tachometer due to the separation of one of the magnet assemblies and engine roughness, which precipitated the pilot’s initiation of an off-airport autorotation, during which he applied improper aft cyclic flight…
- [NTSB CEN16LA186](https://openairdocs.org/ntsb/CEN16LA186.md): Piper PA 32R · Alpine, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2016 · N185DX · Substantial damage
  > The engine’s decreased performance due to high-density altitude conditions and a partially obstructed fuel injector nozzle. Contributing to the pilot's decision to perform an off-field landing was the anomalous high exhaust gas temperature reading.
- [NTSB CEN14LA243](https://openairdocs.org/ntsb/CEN14LA243.md): Hoffius Stowe Challenger II · Attica, IN · Accident · 1 fatal · Limited investigation · Final report · May 10, 2014 · N824SH · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack while maneuvering at low altitude, which led to an aerodynamic stall and loss of control. Contributing to the accident was the installation of an…
- [NTSB ERA11LA105](https://openairdocs.org/ntsb/ERA11LA105.md): Cessna 172 · Dublin, NC · Accident · No injuries · Limited investigation · Final report · Dec 31, 2010 · N4383Q · Substantial damage
  > The pilot’s improper touchdown speed which resulted in a runway overrun. Contributing to the accident was the undetermined malfunction of the airspeed indicator.
- [NTSB ERA10LA128](https://openairdocs.org/ntsb/ERA10LA128.md): Cessna 402C · Watertown, NY · Accident · No injuries · Limited investigation · Final report · Feb 1, 2010 · N121PB · Substantial damage
  > The pilot's decision to continue the approach with a known anomaly with the left airspeed indicator. Contributing to the accident was an undetermined malfunction of the left airspeed indicator and the condition of the runway, resulting in decreased braking…
- [NTSB CEN10LA068](https://openairdocs.org/ntsb/CEN10LA068.md): Beech V35 · Dodge City, KS · Accident · No injuries · Limited investigation · Final report · Dec 6, 2009 · N108L · Substantial damage
  > The failure of the pitot heat system in icing conditions resulting in an inoperative airspeed indicator which led to an inadvertant stall while on final approach. Contributing to the accident was the pilot's decision to fly into known icing conditions.

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01023120'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01023120/cases

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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.