NTSB investigations: Cessna 170, WA

12 cases on aircraft the registry lists as Cessna 170. 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 170, WA per year, 1969–2026: 12 cases
1969	1
1970	1
1976	2
1990	1
1991	1
1992	1
1997	1
1998	1
2004	1
2007	1
2019	1

Where

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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" = '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.aircraft_model_code IN ('2072302')) 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\" = '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.aircraft_model_code IN ('2072302'))
  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" = '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.aircraft_model_code IN ('2072302'))
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 GAA19CA126Accident · No injuriesData collectionFinal reportCessna 170 · Selah, WAThe pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a partial loss of engine power and a subsequent forced landing and impact with a fence.Jan 27, 2019 · N4087V · Substantial damage NTSB LAX07CA207Accident · Minor injuriesData collectionFinal reportCessna 170 · Spanaway, WAThe pilot's failure to maintain directional control during an aborted takeoff from a short and narrow runway.Jul 7, 2007 · N9716A · Substantial damage NTSB SEA04LA050Accident · 2 fatalLimited investigationFinal reportCessna 170 · Herron, WAThe failure of the left muffler while maneuvering, resulting in a carbon monoxide leak into the cabin rendering the pilot incapacitated, and the subsequent uncontrolled descent and impact with water.Mar 1, 2004 · N2534V · Destroyed NTSB SEA98LA075Accident · No injuriesLimited investigationFinal reportCessna 170 · Auburn, WAThe pilot's inadequate compensation for gusty crosswind conditions. A related factor was gusty crosswinds.May 17, 1998 · N2534V · Substantial damage NTSB SEA97LA173Accident · Minor injuriesLimited investigationFinal reportCessna 170 · Graham, WAInadequate aircraft preflight by the pilot-in-command, and water contamination in the fuel resulting in a loss of engine power. A factor was a power transmission line in the forced landing area.Jul 19, 1997 · N4292V · Substantial damage NTSB SEA92FA195Accident · 3 fatalField investigationFinal reportSnodgrass Starduster TOO · Lacey, WAThe failure of both pilots to see and avoid each other.Sep 7, 1992 · N4316 · 2 aircraft · Destroyed NTSB SEA91LA237Accident · 1 fatalLimited investigationFinal reportCessna 170B · Curtis, WAA misjudged maneuver due to physical impairment by alcohol. Contributing to the accident was overconfidence in personal ability.Sep 16, 1991 · N4693C · Destroyed NTSB SEA90FA057Accident · 2 fatalField investigationFinal reportCessna 170 · Republic, WAImproper inspection and airworthiness certification of the aircraft on the last annual inspection by an FAA authorized repair station, the inadequate engine performance and low cylinder compression, and the pilots attempt to takeoff with known aircraft…Mar 25, 1990 · N4130V · Destroyed NTSB SEA77DYE03Accident · No injuriesClosedCessna 170 · Spanaway, WANov 6, 1976 · N2620V · Substantial damage NTSB SEA76DYG64Accident · No injuriesClosedCessna 170 · Ritzville, WAJul 7, 1976 · N517TG · Substantial damage NTSB SEA71FWD06Accident · Serious injuriesClosedCessna 170 · Lester, WAJul 22, 1970 · N2927D · Substantial damage NTSB SEA70D0108Accident · No injuriesClosedCessna 170 · Alderwod Mnr, WASep 19, 1969 · N2534V · Substantial damage