# NTSB investigations, CO: Roll over

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 CEN23LA048](https://openairdocs.org/ntsb/CEN23LA048.md): Hughes 369HS · Oxford, CO · Accident · No injuries · Class 4 · Limited · Final report · Nov 23, 2022 · N668M · Substantial damage
  > The designated pilot examiner’s failure to maintain a proper descent during a practice 180° autorotation which resulted in a hard landing.
- [NTSB CEN20CA139](https://openairdocs.org/ntsb/CEN20CA139.md): Rans S-12 Airaile · Hillrose, CO · Accident · Serious injuries · Data collection · Final report · Apr 4, 2020 · UNREG · Substantial damage
  > The noncertificated pilot's diverted attention while looking at a fire during low-altitude flying, which resulted in a collision with power lines.
- [NTSB CEN17LA367](https://openairdocs.org/ntsb/CEN17LA367.md): Miller Steven M RV6 A · Elbert, CO · Accident · Serious injuries · Limited investigation · Final report · Sep 13, 2017 · N812SM · Substantial damage
  > The pilot’s improper landing flare in strong gusting wind conditions, which resulted in a bounced landing, and his loss of directional control during an attempted go-around, which resulted in a runway excursion and impact with objects.
- [NTSB CEN13LA291](https://openairdocs.org/ntsb/CEN13LA291.md): Diamond Aircraft Ind DA 20-C1 · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · May 22, 2013 · N571MA · Substantial damage
  > The in-flight separation of the engine throttle lever and throttle cable due to maintenance personnel not applying sufficient torque to the self-locking nut or improperly reusing a degraded self-locking nut.
- [NTSB CEN12LA513](https://openairdocs.org/ntsb/CEN12LA513.md): Grumman Acft ENG Cor G-164A · La Salle, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 1, 2012 · N9822 · Substantial damage
  > The loss of engine power due to the detached distributor rotor.
- [NTSB CEN10CA545](https://openairdocs.org/ntsb/CEN10CA545.md): Aerospatiale AS 355F1 · Pikes Peak, CO · Accident · Serious injuries · Data collection · Final report · Sep 17, 2010 · N5802W · Substantial damage
  > The helicopter's encounter with an unexpected downdraft, which resulted in a hard landing.
- [NTSB CEN10CA183](https://openairdocs.org/ntsb/CEN10CA183.md): Schweizer 269C · Idledale, CO · Accident · Minor injuries · Data collection · Final report · Apr 4, 2010 · N67TK · Substantial damage
  > The flight instructor's delayed remedial actions to regain rotor rpm, resulting in a rapid descent and hard landing.
- [NTSB CEN09CA181](https://openairdocs.org/ntsb/CEN09CA181.md): Cessna 172N · Broomfield, CO · Accident · No injuries · Data collection · Final report · Feb 26, 2009 · N737KR · Substantial damage
  > The pilot and airplane's inability to compensate for the unforecasted gusting wind 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."eventStateOrRegion" = 'CO' 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" = '097' 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/097/sequence?state=CO

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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.