# NTSB investigations, 2017, IL: Hard landing

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 GAA18CA012](https://openairdocs.org/ntsb/GAA18CA012.md): Eurocopter Deutschland MBB BK 117 · Canton, IL · Accident · No injuries · Data collection · Final report · Oct 13, 2017 · N140SF · Substantial damage
  > The flight instructor's incorrect cyclic control during a hover, which resulted in a hard landing.
- [NTSB GAA17CA452](https://openairdocs.org/ntsb/GAA17CA452.md): Piper PA28 · St. Joseph, IL · Accident · No injuries · Data collection · Final report · Jul 30, 2017 · N2204B · Substantial damage
  > The pilot’s improper landing flare, which resulted in the nose landing gear collapsing and subsequent loss of directional control.
- [NTSB GAA17CA112](https://openairdocs.org/ntsb/GAA17CA112.md): Robinson Helicopter R22 · Champaign, IL · Accident · Minor injuries · Data collection · Final report · Jan 18, 2017 · N8042B · Substantial damage
  > The flight instructor’s failure to arrest the descent rate during the practice autorotation, which resulted in a hard 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 year(c."eventDate") = 2017
  AND 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" = '092' 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/092/sequence?state=IL&year=2017

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