NTSB investigations: Robinson Helicopter R22 ALPHA
5 cases on aircraft the registry lists as Robinson Helicopter R22 ALPHA, where the first occurrence was “Hard landing”. 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
| 1983 | 1 |
|---|---|
| 1985 | 1 |
| 1987 | 1 |
| 1999 | 2 |
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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640104')
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"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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640104')
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" 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 NYC99LA190Accident · Minor injuriesLimited investigationFinal reportRobinson R-22A · Shirley, NYThe pilot's failure to maintain rotor RPM, which resulted in a hard landing.NTSB SEA99LA026Accident · No injuriesLimited investigationFinal reportRobinson R-22 · Hillsboro, ORThe pilot's failure to maintain aircraft control.NTSB SEA87LA175Accident · No injuriesLimited investigationFinal reportRobinson R-22 · Tukwila, WAWhile attempting to land in a field and at about 3 feet AGL, the pilot attempted to secure the right cabin door. Due to the distraction the pilot allowed the rear skids to contact the ground and a hard landing resulted.NTSB SEA85LA129Accident · No injuriesLimited investigationFinal reportRobinson R22 · Port Orchard, WAThe instructor plt (CFI) with only 358 hrs total flt time was demonstrating an autorotation with a power recovery. During the recovery, the CFI failed to fully regain RPM & the helicopter settled to the surface. With a low rotor RPM, there was a loss of tail…NTSB LAX83FA226Accident · No injuriesField investigationFinal reportRobinson R22 · Torrance, CAThe helicopter was on an FAA certification test flt with a part-time company employee in the left seat as pilot- in-command (PIC). An FAA test plt was in the right seat. The purpose of the flt was to establish new data for the helicopter's height-velocity…