# NTSB investigations, PA: Flight control sys 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 ERA22LA215](https://openairdocs.org/ntsb/ERA22LA215.md): Cessna 414 · Connellsville, PA · Accident · Serious injuries · Class 3 · Limited · Final report · May 2, 2022 · N46TA · Substantial damage
  > The pilot/mechanic’s failure to properly secure two airplane avionics units, which resulted in the trays supporting the units to sag downward and become lodged in the movement area of the elevator bellcrank during the accident takeoff.
- [NTSB GAA18CA020](https://openairdocs.org/ntsb/GAA18CA020.md): Cessna 150 · Pottsville, PA · Accident · No injuries · Data collection · Final report · Oct 22, 2017 · N22092 · Substantial damage
  > The failure of the right rudder cable and subsequent loss of directional control during landing.
- [NTSB ERA15LA319](https://openairdocs.org/ntsb/ERA15LA319.md): Head AX9 118 · New Holland, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2015 · N40104 · Minor damage
  > The pilot's failure to adequately secure the vent line, which resulted in the premature deflation of the balloon’s envelope and its subsequent contact with power lines. Contributing to the accident were the pilot's choice of an unsuitable landing area, which…
- [NTSB ERA14CA385](https://openairdocs.org/ntsb/ERA14CA385.md): Cote James Rans S 6S · New Berlin, PA · Accident · No injuries · Data collection · Final report · Aug 4, 2014 · N502CW · Substantial damage
  > The passenger's inadvertent interference with the rudder controls during the takeoff.
- [NTSB ERA13LA229](https://openairdocs.org/ntsb/ERA13LA229.md): Schweizer SGS 2-33A · Erwinna, PA · Accident · Serious injuries · Limited investigation · Final report · May 4, 2013 · N2045T · Substantial damage
  > The pilot’s loss of glider control due to improper rigging of the rudder control cables, the mechanic’s inadequate flight control checks following the glider’s most recent annual inspection, and the pilot’s failure to perform a thorough preflight inspection.
- [NTSB ERA11LA154](https://openairdocs.org/ntsb/ERA11LA154.md): Cessna 177B · Reading, PA · Accident · No injuries · Limited investigation · Final report · Feb 18, 2011 · N11625 · Substantial damage
  > Inadequate maintenance inspection of the airplane which resulted in a shift of the shock mounted portion of the pilot's instrument panel, causing an interference of the pitch control during 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."eventStateOrRegion" = 'PA' 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" = '333' 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/333/sequence?state=PA

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