# NTSB investigations: Liberty Aerospace LIBERTY XL-2: Abnormal runway contact

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 ERA11CA169](https://openairdocs.org/ntsb/ERA11CA169.md): Liberty Aerospace Liberty XL-2 · Burlington, NC · Accident · No injuries · Data collection · Final report · Feb 26, 2011 · N646XL · Substantial damage
  > The student pilot's improper recovery from a bounced landing.
- [NTSB ERA10LA141](https://openairdocs.org/ntsb/ERA10LA141.md): Liberty Aerospace Liberty XL-2 · Brunswick, GA · Accident · Serious injuries · Limited investigation · Final report · Feb 11, 2010 · N513XL · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall.

## 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.aircraft_model_code IN ('5200000', '05627EZ')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '090' 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/090/sequence?model=5200000

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