NTSB investigations: Piper PA-23-250, CT

9 cases on aircraft the registry lists as Piper PA-23-250. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19652026

NTSB investigations: Piper PA-23-250, CT per year, 1965–2026: 9 cases
1965	2
1967	1
1970	1
1976	1
1979	1
1980	1
1991	1
2007	1

Where

Open the map

Latest cases

Query with SQL

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" = 'CT' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102308')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'CT' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102308'))
  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.

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" = 'CT' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7102308'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB NYC07FA100Accident · 2 fatalField investigationFinal reportPiper PA-23-250 · Windham, CTThe pilot's failure to maintain control of the airplane during a go-around.Apr 22, 2007 · N5651Y · Destroyed NTSB NYC92LA020Accident · Serious injuriesLimited investigationFinal reportPiper PA-23-250 · Groton, CTThe pilot's failure to maintain the minimum descent altitude during the approach. A factor was pilot fatigue.Oct 27, 1991 · N14256 · Substantial damage NTSB NYC80DA074Accident · No injuriesClosedPiper PA-23 · Hartford, CTAug 20, 1980 · N62656 · Substantial damage NTSB NYC80FA009Accident · No injuriesClosedPiper PA-31 · Stamford, CTNov 7, 1979 · N405CA · 2 aircraft · Substantial damage NTSB NYC76IA006Incident · No injuriesClosedPiper PA-23 · Windsor Locks, CTOct 30, 1976 · N5670Y · No damage NTSB NYC71AN066Accident · 1 fatalClosedPiper PA-23 · Chester, CTNov 29, 1970 · N6804Y · Destroyed NTSB NYC68A0050Accident · No injuriesClosedPiper PA-23 · New London, CTSep 24, 1967 · N4900P · Substantial damage NTSB NYC66F0092Accident · Serious injuriesClosedPiper PA23 · New Haven, CTJun 29, 1965 · N5253Y · Destroyed NTSB NYC65F0185Accident · No injuriesClosedPiper PA-23 · New Haven, CTApr 24, 1965 · N5604Y · Substantial damage