NTSB investigations: Superior IO-360 series

6 cases on aircraft whose registry engine model is Superior IO-360 series, where the defining event 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

20082026
NTSB investigations: Superior IO-360 series per year, 2008–2026: 6 cases
20081
20101
20131
20151
20231
20251

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 ('59251')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '240'))
  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 ERA26LA070Accident · Minor injuriesClass 3 · LimitedPreliminary reportHoltaway Robert F Velocity V-TWIN · Nashua, NHOn December 17, 2025, at 1410 eastern standard time, an experimental amateur-built Velocity V-Twin airplane, N22EU, was substantially damaged when it was involved in an accident near Nashua, New Hampshire. The pilot received minor injuries. The airplane was…Dec 17, 2025 · N22EU · Substantial damageNTSB WPR23FA219Accident · 2 fatalClass 3 · FieldFinal reportSteen Skybolt · Rio Vista, CAThe pilots’ exceedance of the airplane's critical angle of attack while maneuvering to land, which resulted in an aerodynamic stall and subsequent loss of control.Jun 8, 2023 · N202GM · Substantial damageNTSB ERA15LA130Accident · Serious injuriesLimited investigationFinal reportRobertson James F Velocity STD/RG E · Sebastian, FLThe pilot’s loss of airplane control after takeoff, which resulted in collision with terrain. Contributing to the accident was the pilot’s failure to properly secure the cabin door and trim the airplane for takeoff, which resulted in the cabin door opening…Feb 13, 2015 · N112TH · Substantial damageNTSB ERA13FA424Accident · 1 fatalField investigationFinal reportBrown Robert K RV7A · Hamilton Township, NJThe pilot's improper aerobatic maneuver that resulted in a loss of control, exceedance of the airplane's design limitations, and a subsequent in-flight breakup of the airplane.Sep 20, 2013 · N174BK · DestroyedNTSB CEN10LA497Accident · 1 fatalLimited investigationFinal reportMiller Charles W Vans RV-7A · El Dorado, ARThe pilot's failure to maintain clearance with trees on takeoff at night. Contributing factors were fatigue and the pilot's lack of recent nighttime experience.Aug 20, 2010 · N474JM · Substantial damageNTSB NYC08FA239Accident · 1 fatalField investigationFinal reportJahns Vans RV-7 · Neptune, NJAn in-flight loss of control for undetermined reasons.Jul 5, 2008 · N916R · Destroyed