NTSB investigations: Hughes 269B, MI

6 cases on aircraft the registry lists as Hughes 269B. 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

19702026

NTSB investigations: Hughes 269B, MI per year, 1970–2026: 6 cases
1970	1
1975	1
1977	1
1979	1
2001	1
2010	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" = 'MI' 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 ('4470502')) 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\" = 'MI' 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 ('4470502'))
  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" = 'MI' 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 ('4470502'))
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 CEN10CA469Accident · Serious injuriesData collectionFinal reportHughes 269B · Lakeview, MIThe pilot's excessive descent angle during landing approach, which resulted in a settling with power condition.Aug 7, 2010 · N11XC · Substantial damage NTSB CHI01LA293Accident · No injuriesLimited investigationFinal reportHughes 269B · Pontiac, MIthe checklist not compiled with by the operator and not verified by the operator’s pilot and the operator's flight instructor. An additional cause was the improper autorotation by the pilot in command. The out of calibration engine idle speed was a…Aug 26, 2001 · N9390F · Substantial damage NTSB CHI79FEC51Accident · Minor injuriesClosedHughes 269B · Flint, MISep 3, 1979 · N9310F · Substantial damage NTSB CHI77FEM26Accident · No injuriesClosedHughes 269B · Evart, MIMay 30, 1977 · N9423F · Substantial damage NTSB CHI76FEC01Accident · No injuriesClosedHughes 269B · Flint, MIJul 24, 1975 · N9431F · Substantial damage NTSB CHI70FBG02Accident · No injuriesClosedHughes 269B · Farmington, MIJan 19, 1970 · N9405F · Destroyed