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NTSB investigations: Robinson Helicopter R22 ALPHA

14 cases on aircraft the registry lists as Robinson Helicopter R22 ALPHA, where the first occurrence was “Loss of control - in flight”. 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

19842026

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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\" = 250))
  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.

NTSB DEN06CA064Accident · No injuriesData collectionFinal reportRobinson R-22 · Santa Fe, NMthe pilot's improper preflight planning and his failure to maintain control of the helicopter during takeoff. Factors contributing to the accident were the helicopter exceeding its maximum gross weight for takeoff and the high density altitude.Apr 15, 2006 · N85560 · Substantial damageNTSB CHI04FA197Accident · 1 fatalField investigationFinal reportRobinson R22 Alpha · Mount Clemens, MIA loss of control in flight for undetermined reasons.Jul 28, 2004 · N103MH · DestroyedNTSB LAX99LA186Accident · Minor injuriesLimited investigationFinal reportRobinson R22A · San Luis Obispo, CAThe student's inadvertent and uncoordinated application of forward cyclic during an autorotation flare, which resulted in a loss of main rotor rpm; and the flight instructor's inadequate supervision.May 19, 1999 · N8558N · Substantial damageNTSB LAX98FA098Accident · 1 fatalField investigationFinal reportRobinson R22 · Littlerock, CAThe pilot's improper use of the rotorcraft cyclic control in response to encountering terrain induced turbulence. A factor in the accident was the pilot's failure to obtain a preflight weather briefing which contained precautionary notices for turbulence.Feb 26, 1998 · N8457J · DestroyedNTSB BFO94LA035Accident · No injuriesLimited investigationFinal reportRobinson R-22A · Gaithersburg, MDThe pilot's failure to maintain rotor RPM which led to an in flight loss of control resulting in a collision with the runway and the helicopter rolling over on its side. A factor in this accident was the pilot's lack of total experience flying helicopters.Jan 25, 1994 · N8559A · Substantial damageNTSB NYC93LA126Accident · No injuriesLimited investigationFinal reportRobinson R22 · Sanford, METhe pilot's failure to maintain directional control of the helicopter while hovering, resulting in the main rotor blades impacting the ground.Jun 24, 1993 · N8557Y · Substantial damageNTSB LAX90LA074Accident · No injuriesLimited investigationFinal reportRobinson R22 · Ramona, CAThe pilot encountered a tailwind while on final approach, but delayed the go-around. During the go-around the pilot failed to maintain airspeed and entered a descent (settling with power).Jan 21, 1990 · N2258R · Substantial damageNTSB BFO89LA071Accident · No injuriesLimited investigationFinal reportRobinson R22 · Manassas, VAImproper use of the cyclic control by the student pilot and his failure to relinquish control of the helicopter to the instructor (CFI). A contributing factor was the student's lack of experience.Aug 17, 1989 · N8557H · Substantial damageNTSB LAX89LA251Accident · Minor injuriesLimited investigationFinal reportRobinson R22 · Scottsdale, AZImproperly use of the flight controls by the pilot and his failure to maintain control of the helicopter.Aug 10, 1989 · N8477B · Substantial damageNTSB BFO88LA076Accident · No injuriesLimited investigationFinal reportRobinson R22A · Gaithersburg, MDThe flt was initiated with the student plt bringing the helicopter up to a hover with some forward speed. The student rapidly and forcefully applied aft cyclic. The CFI was unable to compensate in time, even though he was on the controls with the student. The…Aug 27, 1988 · N8559A · Substantial damageNTSB LAX88FA032Accident · 2 fatalField investigationFinal reportRobinson R22A · Moraga, CAA divergence of the main rotor from its normal plane of rotation for an undetermined reason, which resulted in rotor contact with the cockpit area.Nov 3, 1987 · N8475A · DestroyedNTSB NYC87LA122Accident · Minor injuriesLimited investigationFinal reportRobinson R22 · Pottstown, PADuring landing approach to runway 28, ground fog was encountered and the pilot overshot his intended touchdown point. The pilot stated that he slowed the airspeed to zero mph and the acft started to shake and fall even though the motor and rotor were at 100%…Apr 12, 1987 · N85570 · Substantial damageNTSB LAX87FA147Accident · 2 fatalField investigationFinal reportRobinson R-22-A · Scottsdale, AZA loss of control in flight for undetermined reasons.Mar 16, 1987 · N2256M · DestroyedNTSB ATL85FA067Accident · 2 fatalField investigationFinal reportRobinson R-22 Alpha · Huntsville, ALA popping sound then a loud noise and a puff of smoke preceded the helicopter's fall to the ground, stated a 12 year old boy who said he saw the accident. Examination of the helicopter failed to disclose any trace of fire. However one main rotor blade…Dec 25, 1984 · N8475K · Destroyed