# NTSB investigations: Christen Industries A-1, 2004

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 SEA05TA028](https://openairdocs.org/ntsb/SEA05TA028.md): Christen Industries A-1 · Terreton, ID · Accident · Serious injuries · Final report · Dec 20, 2004 · N2898D · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering which resulted in an inadvertent stall and subsequent collision with terrain.
- [NTSB ANC04LA071](https://openairdocs.org/ntsb/ANC04LA071.md): Christen Industries Husky A-1 · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Jun 25, 2004 · N9591C · Substantial damage
  > The pilot's failure to attain the proper touchdown point, which resulted in an in-flight collision with terrain during the ensuing aborted landing. A factor associated with the accident is the pilot's misjudgment of the airplane's speed and distance.
- [NTSB CHI04LA100](https://openairdocs.org/ntsb/CHI04LA100.md): Christen A-1 · Curtis, NE · Accident · 1 fatal · Limited investigation · Final report · Apr 5, 2004 · N9599B · Destroyed
  > The pilot's ostentatious display of a "hammerhead stall" during intial climb and his failure to maintain clearance from terrain. A factor was the post impact fire.

## 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") = 2004
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('221020X'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=221020X&year=2004

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