# NTSB investigations: Rotax 912ULS series: 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 DEN08LA008](https://openairdocs.org/ntsb/DEN08LA008.md): Flight Design Ctsw · Afton, WY · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 2007 · N245CT · Substantial damage
  > The pilot's failure to correct the alignment of the airplane and his improper recovery from a bounced landing, resulting in exceeding the design stress limits that caused the right main landing gear to fail. A contributing factor in this accident was the…
- [NTSB DEN08LA024](https://openairdocs.org/ntsb/DEN08LA024.md): Iniziative Industriali Italian Sky Aero 600 Sport · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · Aug 24, 2007 · N435SA · Substantial damage
  > The pilot's premature flare that resulted in a hard landing, fracturing the left main landing gear strut that subsequently collapsed. A contributing factor was the flight instructor's inadequate supervision of the pilot.
- [NTSB DEN07CA120](https://openairdocs.org/ntsb/DEN07CA120.md): Flight Design Ctsw · Peyton, CO · Accident · No injuries · Data collection · Final report · Jul 4, 2007 · N108EM · Substantial damage
  > The pilot's improper flare and failure to maintain control and subsequent hard landing. Contributing factors in this accident were the gusty winds, hot temperature, and high density altitude.
- [NTSB LAX07CA089](https://openairdocs.org/ntsb/LAX07CA089.md): Flight Design Ctsw · Nampa, ID · Accident · No injuries · Data collection · Final report · Feb 17, 2007 · N7722D · Substantial damage
  > the pilot's misjudged flare and improper use of the elevator flight control.
- [NTSB CHI06CA226](https://openairdocs.org/ntsb/CHI06CA226.md): Flight Design Ctsw · Hillsdale, MI · Accident · No injuries · Data collection · Final report · Aug 10, 2006 · N109CT · Substantial damage
  > The pilot's misjudged flare which resulted in the hard landing and his improper recovery from the bounced landing which resulted in the overload failure of the nose landing gear and subsequent nose over. The overload failure of the nose landing gear was a…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55572')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 200))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=55572&occurrence=200

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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.