# NTSB investigations, MN: 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 CEN26LA295](https://openairdocs.org/ntsb/CEN26LA295.md): Aviat A-1B · Pilot Grove, MN · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Aug 17, 2026 · N299CA · Substantial damage
  > On August 17, 2026, about 1446 central daylight time, an Aviat Aircraft Inc A-1B airplane, N299CA, was substantially damaged when it was involved in an accident near Pilot Grove, Minnesota. The two pilots received minor injuries. The airplane was operated as…
- [NTSB ENG26LA011](https://openairdocs.org/ntsb/ENG26LA011.md): Bombardier CL-600-2C11 · Hibbing, MN · Incident · No injuries · Class 4 · Limited · Final report · Nov 23, 2025 · N707EV · No damage
  > The elevator control restriction was caused by the failure of an elevator autopilot servo control cable which failed due to cyclic fatigue. The slack in the cable wrapped around the servo mount in such a way that it interfered with the rotation of the servo…
- [NTSB CEN17FA012](https://openairdocs.org/ntsb/CEN17FA012.md): Fairchild Hiller FH 1100 · Lino Lakes, MN · Accident · 2 fatal · Field investigation · Final report · Oct 6, 2016 · N4035G · Destroyed
  > The separation of the main rotor assembly due to mast bumping.
- [NTSB CEN09LA526](https://openairdocs.org/ntsb/CEN09LA526.md): Thrush S2R-T660 · Worthington, MN · Accident · No injuries · Limited investigation · Final report · Aug 16, 2009 · N660RB · Substantial damage
  > A fatigue failure of the elevator push-pull rod which resulted in the pilot's inability to control the aircraft's pitch attitude while landing.

## 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" = 'MN' 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=MN

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