NTSB investigations: Rotax 912ULS series

5 cases on aircraft whose registry engine model is Rotax 912ULS series, 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

20062026
NTSB investigations: Rotax 912ULS series per year, 2006–2026: 5 cases
20061
20074

Latest 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.engine_model_code IN ('55572')
      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.

NTSB DEN08LA008Accident · Minor injuriesLimited investigationFinal reportFlight Design Ctsw · Afton, WYThe pilot's failure to correct the alignment of the airplane and his improper recovery from a bounced landing, resulting in exceeding the design stress limits that caused the right main landing gear to fail. A contributing factor in this accident was the…Oct 10, 2007 · N245CT · Substantial damageNTSB DEN08LA024Accident · No injuriesLimited investigationFinal reportIniziative Industriali Italian Sky Aero 600 Sport · Stevensville, MDThe pilot's premature flare that resulted in a hard landing, fracturing the left main landing gear strut that subsequently collapsed. A contributing factor was the flight instructor's inadequate supervision of the pilot.Aug 24, 2007 · N435SA · Substantial damageNTSB DEN07CA120Accident · No injuriesData collectionFinal reportFlight Design Ctsw · Peyton, COThe pilot's improper flare and failure to maintain control and subsequent hard landing. Contributing factors in this accident were the gusty winds, hot temperature, and high density altitude.Jul 4, 2007 · N108EM · Substantial damageNTSB LAX07CA089Accident · No injuriesData collectionFinal reportFlight Design Ctsw · Nampa, IDthe pilot's misjudged flare and improper use of the elevator flight control.Feb 17, 2007 · N7722D · Substantial damageNTSB CHI06CA226Accident · No injuriesData collectionFinal reportFlight Design Ctsw · Hillsdale, MIThe pilot's misjudged flare which resulted in the hard landing and his improper recovery from the bounced landing which resulted in the overload failure of the nose landing gear and subsequent nose over. The overload failure of the nose landing gear was a…Aug 10, 2006 · N109CT · Substantial damage