# NTSB investigations: Autopilot trim servo

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 ERA19FA201](https://openairdocs.org/ntsb/ERA19FA201.md): Beech E55 · Hope Mills, NC · Accident · 2 fatal · Class 2 · Field · Final report · Jun 27, 2019 · N664AR · Destroyed
  > The pilot's failure to disengage an uncommanded nose-down pitch input. Contributing to the accident was improper maintenance of the pitch trim servo, which would have precluded a physical override of the pitch servo.
- [NTSB ERA19FA049](https://openairdocs.org/ntsb/ERA19FA049.md): Lancair Legacy RG · Gainesville, GA · Accident · 1 fatal · Class 2 · Field · Final report · Nov 17, 2018 · N8448J · Substantial damage
  > The pilots’ failure to execute a go-around when the nighttime autopilot-coupled approach became unstable, which resulted in a loss of control and subsequent impact with terrain. Also causal was the flight instructor's inadequate supervision of the pilot and…
- [NTSB NYC08LA124](https://openairdocs.org/ntsb/NYC08LA124.md): Rockwell 112TCA · West Chester, PA · Accident · No injuries · Limited investigation · Final report · Mar 6, 2008 · N4623W · Substantial damage
  > The pilot's failure to ensure that the pitch trim was properly set for takeoff.

## 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", '01022216'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01022216/cases

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