Skip to content

NTSB investigations: Maule M-4-210, AK

19 cases on aircraft the registry lists as Maule M-4-210. 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

Where

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" = 'AK' 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 ('5460108')) 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\" = 'AK' 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 ('5460108'))
  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" = 'AK' 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 ('5460108'))
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 ANC22LA061Accident · No injuriesClass 4 · LimitedFinal reportMaule M-4-210 · Aniak, AKThe pilot’s selection of unsuitable terrain for landing which resulted in a nose-over.Jul 26, 2022 · N4743T · Substantial damage NTSB ANC96LA136Accident · No injuriesLimited investigationFinal reportMaule M-4 · Skwentna, AKThe pilot's selection of an unsuitable landing site. A factor associated with the accident was the rough and uneven terrain.Sep 3, 1996 · N4726T · Substantial damage NTSB ANC95LA139Accident · Serious injuriesLimited investigationFinal reportMaule MA-4 · Port Alsworth, AKThe pilot's improper planning/decision and failure to attain sufficient airspeed to sustain a climb before hitting trees. The unfavorable wind condition was a related factor.Aug 15, 1995 · N4741T · Substantial damage NTSB ANC94LA076Accident · No injuriesLimited investigationFinal reportMaule M-4-210 · Northway, AKThe failure of the left main landing gear attachment fittings as a result of the improper welds by the maintenance repair facility. Factors in the accident that precipitated the gear failure were the wind gusts, and the pilot not adequately compensating for…Jul 7, 1994 · N9808M · Substantial damage NTSB ANC89LA151Accident · No injuriesLimited investigationFinal reportMaule M-4-210 · Bainbridge, AKContinued flight by the pilot into known adverse weather conditions, and his subsequent selection of unsuitable terrain for landing. Factors related to the accident were: adverse weather conditions and terrain conditions in the precautionary landing area.Aug 27, 1989 · N4605T · Substantial damage NTSB SEA87FA135Accident · 2 fatalField investigationFinal reportMaule M-4-210C · Sitka, AKPlt was on local VFR flight plan. Witnesses observed acft flying at low level along beaches. Later, witness saw smoke rising from wooded terrain about two miles inland from nearest beach. Investigation revealed no evidence of inflight failure of malfunction…Jul 12, 1987 · N9812M · Destroyed NTSB ANC84LA113Accident · No injuriesLimited investigationFinal reportMaule M-4 · Wasilla, AKThe acft landed short of the rwy during a forced landing. The plt said he switched fuel tanks 3 minutes piror to landingand the engine quit on downwind leg. Restart attempts were unsuccessful. Attempts to further question the plt have been unsuccessful.Jul 7, 1984 · N4606T · Substantial damage NTSB ANC79DAG68Accident · No injuriesClosedMaule M4-210 · Anchorage, AKJul 21, 1979 · N4741T · Substantial damage NTSB ANC77FAG47Accident · No injuriesClosedMaule M4-210 · Alexander Ck, AKMar 27, 1977 · N4605T · Substantial damage NTSB ANC76DAG64Accident · No injuriesClosedMaule M-4210 · Anchorage, AKNov 10, 1975 · N9808M · Substantial damage NTSB ANC76DAG02Accident · No injuriesClosedMaule M-4210 · Anchorage, AKJun 26, 1975 · N4605T · Substantial damage NTSB ANC75DAG89Accident · No injuriesClosedMaule M4-210 · Copper Center, AKMay 6, 1975 · N9808M · Substantial damage NTSB ANC75DAG72Accident · Minor injuriesClosedMaule M4210 · Togiak, AKMar 1, 1975 · N4748T · Substantial damage NTSB ANC74DAG26Accident · No injuriesClosedMaule M4210C · Anchorage, AKSep 3, 1973 · N4605T · Substantial damage NTSB ANC71FAG23Accident · No injuriesClosedMaule M4-210 · Glennallen, AKSep 13, 1970 · N4604T · Substantial damage NTSB ANC70D0053Accident · Minor injuriesClosedMaule M4-210 · Anchorage, AKSep 4, 1969 · N4726T · Substantial damage NTSB ANC68F0030Accident · Serious injuriesClosedMaule MA4210 · Soldotna, AKAug 2, 1967 · N4605T · Substantial damage NTSB ANC66A0039Accident · No injuriesClosedMaule M4-210 · Cordova, AKApr 19, 1966 · N4606T · Substantial damage NTSB ANC66D0060Accident · No injuriesClosedMaule M-4 · Cordova, AKAug 21, 1965 · N4606T · Substantial damage