# NTSB investigations, IL: 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 GAA19CA149](https://openairdocs.org/ntsb/GAA19CA149.md): Zenair Zenith Stol CH 701 · Springfield, IL · Accident · No injuries · Data collection · Final report · Feb 24, 2019 · N8436S · Substantial damage
  > The pilot's improper crosswind correction during taxi operations in gusting crosswind conditions.
- [NTSB GAA18CA401](https://openairdocs.org/ntsb/GAA18CA401.md): Grumman G164 · Rochelle, IL · Accident · No injuries · Data collection · Final report · Jul 5, 2018 · N6795Q · Substantial damage
  > The pilot’s failure to move the power lever to the proper position before takeoff, which resulted in insufficient airspeed and a subsequent aerodynamic stall.
- [NTSB GAA18CA110](https://openairdocs.org/ntsb/GAA18CA110.md): Helicopteres Guimbal Cabri G2 · Cahokia, IL · Accident · Minor injuries · Data collection · Final report · Jan 22, 2018 · N989HH · Substantial damage
  > The student pilot's failure to maintain yaw control while landing in gusting crosswind conditions and the flight instructor's delayed remedial action.
- [NTSB CEN15CA274](https://openairdocs.org/ntsb/CEN15CA274.md): Enstrom F 28C · Romeoville, IL · Accident · No injuries · Data collection · Final report · Jun 14, 2015 · N51778 · Substantial damage
  > The certified flight instructor (CFI) did not maintain directional control during a downwind emergency running landing to soft muddy terrain, which resulted in a dynamic rollover. Contributing to the accident was the CFI's delayed or insufficient remedial…
- [NTSB CEN15LA198](https://openairdocs.org/ntsb/CEN15LA198.md): Robinson Helicopter R44 II · Dunlap, IL · Accident · No injuries · Limited investigation · Final report · Apr 15, 2015 · N754R · Substantial damage
  > A loss of main rotor rpm for reasons that could not be determined during postaccident examinations.
- [NTSB CEN14LA316](https://openairdocs.org/ntsb/CEN14LA316.md): Grazhopper Trike · Ottawa, IL · Accident · 1 fatal · Limited investigation · Final report · Jun 24, 2014 · UNREG · Substantial damage
  > The noncertificated pilot’s improper decision to operate the powered-parachute at low altitude through mist in a confined area while he was impaired by multiple sedating medications, which resulted in his loss of control of the parachute and subsequent impact…
- [NTSB CEN13LA487](https://openairdocs.org/ntsb/CEN13LA487.md): Bell 206B · Albers, IL · Accident · No injuries · Limited investigation · Final report · Aug 10, 2013 · N804LA · Substantial damage
  > Fuel contamination, which resulted in the loss of engine power.
- [NTSB CEN12LA309](https://openairdocs.org/ntsb/CEN12LA309.md): Quicksilver Sprint II · Lebanon, IL · Accident · Minor injuries · Limited investigation · Final report · May 19, 2012 · N3521A · Substantial damage
  > The total loss of engine power due to a fatigue failure of the crankshaft, attributed to the relative movement between the crankshaft and flywheel assembly.

## 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" = 'IL' 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=IL

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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.