NTSB investigations: Cessna 177, MD

9 cases on aircraft the registry lists as Cessna 177. 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

19692026

NTSB investigations: Cessna 177, MD per year, 1969–2026: 9 cases
1969	2
1970	1
1972	1
1976	2
1979	1
1989	1
1992	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" = 'MD' 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 ('2073704')) 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\" = 'MD' 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 ('2073704'))
  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" = 'MD' 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 ('2073704'))
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 BFO92FA058Accident · 3 fatalField investigationFinal reportCessna 177 · Lusby, MDA failure of the carburetor resulting in a loss of engine power.May 10, 1992 · N177RD · Destroyed NTSB BFO90FA003Accident · 2 fatalField investigationFinal reportCessna 177 · Mchenry, MDThe pilot's failure to obtain adequate takeoff airspeed as a result of an improper flap setting. Contributing factors were a takeoff with a tailwind, an upsloping runway, and high density altitude.Oct 29, 1989 · N30036 · Destroyed NTSB IAD79FIG08Accident · No injuriesClosedCessna 177 · Westminster, MDJun 20, 1979 · N29400 · Substantial damage NTSB IAD76FIA09Accident · No injuriesClosedCessna 177 · Clinton, MDMar 27, 1976 · N30198 · Substantial damage NTSB IAD76FIA05Accident · No injuriesClosedCessna 177 · Clinton, MDJan 29, 1976 · N3430T · Substantial damage NTSB NYC73FIG03Accident · Serious injuriesClosedCessna 177 · College Park, MDJul 9, 1972 · N30027 · Destroyed NTSB IAD71FIA02Accident · No injuriesClosedCessna 177 · Clinton, MDAug 4, 1970 · N2978X · Substantial damage NTSB DIA70D0018Accident · Minor injuriesClosedCessna 177 · Darnestown, MDJun 28, 1969 · N3140T · Substantial damage NTSB DIA69F0196Accident · No injuriesClosedCessna 177 · Gaithersburg, MDMay 2, 1969 · N29562 · Substantial damage