NTSB investigations: Christen Industries A-1, AK
5 cases on aircraft the registry lists as Christen Industries A-1. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1995 | 1 |
|---|---|
| 1998 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2022 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\" = 'AK' AND c.\"eventCountry\" = 'USA'
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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" = 'AK' AND c."eventCountry" = 'USA'
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ANC22LA072Accident · Minor injuriesClass 4 · LimitedFinal reportChristen Industries A-1 · Point MacKenzie, AKThe pilot’s improper monitoring and failure to maintain airspeed during a critical phase of flight, which resulted in an exceedance of the airplane’s critical angle of attack, an aerodynamic stall, and subsequent impact with terrain.NTSB ANC06CA077Accident · No injuriesData collectionFinal reportChristen Industries A-1 · Takotna, AKThe pilot's excessive use of brakes during the landing roll. A factor associated with the accident was soft terrain.NTSB ANC04LA071Accident · No injuriesLimited investigationFinal reportChristen Industries Husky A-1 · Bethel, AKThe 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 ANC98LA141Accident · No injuriesLimited investigationFinal reportChristen Industries A-1 Husky · Selawik, AKThe pilot's inadequate compensation for the crosswind conditions. Factors in this accident were a crosswind, the pilot's lack of certification, and his inadequate fuel consumption calculations.NTSB ANC95LA069Accident · No injuriesLimited investigationFinal reportChristen Industries A-1 · Tyonek, AKThe pilot's selection of an unsuitable landing site. A factor associated with the accident is the rough and uneven sandbar.