NTSB investigations: Continental O-470 series, WA

7 cases on aircraft whose registry engine model is Continental O-470 series, where the first occurrence was “Loss of engine power”. 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
NTSB investigations: Continental O-470 series, WA per year, 1984–2026: 7 cases
19841
19931
19962
19991
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 ('17026')
      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\" = 350))
  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 SEA07LA063Accident · No injuriesLimited investigationFinal reportCessna 180 · Bellingham, WAThe loss of engine power for undetermined reasons. Contributing factors were the lack of suitable terrain for a forced landing, and the trees.Feb 24, 2007 · N9115C · Substantial damageNTSB SEA05CA197Accident · No injuriesData collectionFinal reportCessna 180H · Yelm, WAThe mixture control linkage separation as a result of a missing retaining nut and washer on the mixture cable attach bolt. Inadequate maintenance inspection and fences were factors.Sep 22, 2005 · N1037V · Substantial damageNTSB SEA99LA136Accident · Minor injuriesLimited investigationFinal reportCessna 182G · Freeland, WAThe pilot-in-command's improper use of carburetor heat and overload of the nose gear assembly during the forced landing. Contributing factors were carburetor icing conditions, the ditch and fence.Aug 9, 1999 · N2492R · Substantial damageNTSB SEA96LA160Accident · No injuriesLimited investigationFinal reportCessna 182A · Toledo, WAloss of engine power for undetermined reason(s). Factors relating to the accident were: the pilot's need to maneuvering to avoid obstructions near the approach end of the runway, and a ditch in the emergency landing area.Jun 22, 1996 · N9975B · Substantial damageNTSB SEA96LA075Accident · No injuriesLimited investigationFinal reportRyan Navion · Kent, WAthe pilot's attempted operation with known deficiencies in the equipment, and a loose fuel system fitting. The pilot's failure to maintain maintenance service on the airplane was a factor.Mar 28, 1996 · N4826K · Substantial damageNTSB SEA94LA016Accident · No injuriesLimited investigationFinal reportCessna 180K · Garfield, WAConnecting rod bolt fatigue.Oct 7, 1993 · N61946 · Substantial damageNTSB SEA85LA011Accident · No injuriesLimited investigationFinal reportCessna 182F · Snoqualmie Pass, WAThe plt stated that while leveling off at 5,500 ft he trimmed the acft for cruise flt (2200 RPM/21' mp) and checked the carb heat. Aprx 5 mins later, the plt switched from the rt fuel tank to both fuel tanks. Shortly thereafter the eng lost power. Plt then…Oct 18, 1984 · N3553U · Destroyed