NTSB investigations: Maule M-4-220C, CA

13 cases on aircraft the registry lists as Maule M-4-220C. 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.

Cases per year

19682026
NTSB investigations: Maule M-4-220C, CA per year, 1968–2026: 13 cases
19681
19702
19721
19732
19752
19771
19841
19911
19971
20231

Latest cases

Query with SQL
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\" = 'CA' 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 ('5460114'))
  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.

NTSB WPR23LA131Accident · Minor injuriesClass 4 · LimitedFinal reportMaule M-4-220C · Santa Ynez, CAThe pilot’s inadequate fuel planning, which resulted in a loss of engine power due to fuel starvation.Mar 18, 2023 · N40635 · Substantial damageNTSB LAX97LA211Accident · Serious injuriesLimited investigationFinal reportMaule M-4-220C · Gualala, CAcontinued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude/clearance from tall trees. The weather conditions (low ceiling and fog) were related factors.Jun 14, 1997 · N40654 · DestroyedNTSB LAX91LA239Accident · Minor injuriesLimited investigationFinal reportMaule M-4-220C · Byron, CAThe failure of the pilot-in-command to perform an adequate preflight inspection by taking the necessary steps to eliminate water contamination of the airplane's fuel system.Jun 2, 1991 · N40693 · Substantial damageNTSB LAX84LA271Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Vacaville, CAThe flight was conducted for a sales demonstration. Both occupants were pilots. Two landings were performed by the acft owner. The third landing was performed by the prospective buyer and during touchdown the acft bounced. The owner applied power to recover.…Apr 28, 1984 · N40329 · Substantial damageNTSB OAK77DVD49Accident · No injuriesClosedMaule M4-220 · Hayward, CAAug 14, 1977 · N2053U · Substantial damageNTSB OAK76DVG20Accident · No injuriesClosedMaule M4220C · Ruth, CASep 3, 1975 · N40635 · Substantial damageNTSB LAX75DUG34Accident · No injuriesClosedMaule M4220C · Chiraco Summit, CAFeb 14, 1975 · N40654 · Substantial damageNTSB LAX73FUA42Accident · No injuriesClosedMaule M4220C · Long Beach, CAMay 14, 1973 · N40633 · Substantial damageNTSB LAX73FUM18Accident · No injuriesClosedMaule M-4 · Santee, CAFeb 5, 1973 · N2032U · Substantial damageNTSB OAK72DVA05Accident · No injuriesClosedMaule M-4 · Lone Pine, CAJul 9, 1972 · N40319 · Substantial damageNTSB OAK71DVA41Accident · No injuriesClosedMaule M4-220 · Visalia, CANov 22, 1970 · N2047U · Substantial damageNTSB OAK71AP010Accident · 1 fatalClosedMaule M4-220 · San Ardo, CAAug 22, 1970 · N2002U · DestroyedNTSB OAK68D0315Accident · No injuriesClosedMaule M-4 · San Ardo, CAFeb 25, 1968 · N2002U · Substantial damage