NTSB investigations: Continental IO-520 series, WA

5 cases on aircraft whose registry engine model is Continental IO-520 series, where the first occurrence was “In flight collision with terrain/water”. 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

19862026
NTSB investigations: Continental IO-520 series, WA per year, 1986–2026: 5 cases
19861
19991
20041
20051
20071

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.\"eventStateOrRegion\" = 'WA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032')
      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\" = 230))
  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 SEA07FA134Accident · 1 fatalField investigationFinal reportCessna 185 · Wilbur, WAIn-flight collision with terrain shortly after takeoff for undetermined reasons.May 28, 2007 · N9434N · Substantial damageNTSB SEA05CA069Accident · No injuriesData collectionFinal reportCessna A188B · Palouse, WAThe pilot's failure to maintain terrain clearance during the initial climb after takeoff. A tailwind, hilly terrain and inadequate airspeed were factors.Apr 4, 2005 · N4784Q · Substantial damageNTSB SEA04LA057Accident · No injuriesLimited investigationFinal reportCessna A188B · Palouse, WAThe pilot's decision to takeoff downwind resulting in his inability to achieve a positive climb rate and an in-flight collision with terrain. Factors contributing to the accident included the rising terrain and the tailwind condition.Mar 25, 2004 · N731YZ · Substantial damageNTSB SEA99FA144Accident · 1 fatalField investigationFinal reportBeech F33A · White Swan, WAInadequate preflight planning/preparation and low airspeed. A dirt embankment, soft runway, and an excessive takeoff weight were factors.Aug 19, 1999 · N2291L · Substantial damageNTSB SEA86FA194Accident · 1 fatalField investigationFinal reportCessna 310C · Vancouver, WAPlt not IFR rated. Attempted departure from own airstrip in fog during early dawn. Positive rate of climb not established. Acft contacted terrain 3/4 mile from runway end. Psgrs reported no sensation of power probs, but complete loss of ground ref at liftoff.…Aug 6, 1986 · N310MT · Destroyed