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NTSB investigations: Continental O-470 series, IA

79 cases on aircraft whose registry engine model is Continental O-470 series. 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

19642026

NTSB investigations: Continental O-470 series, IA per year, 1964–2026: 79 cases
1964	2
1965	3
1966	5
1967	9
1968	4
1969	3
1970	8
1971	5
1972	3
1973	1
1974	1
1975	1
1976	2
1977	1
1979	2
1980	4
1981	3
1982	1
1983	1
1985	2
1986	1
1987	1
1991	1
1992	1
1993	2
1995	1
1996	1
2003	2
2007	1
2009	1
2010	1
2015	1
2021	1
2023	2
2025	1

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" = 'IA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17026')) 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\" = 'IA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17026'))
  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" = 'IA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17026'))
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 ANC26LA020Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 182Q · Mapleton, IAOn October 29, 2025, at about 1200 Central daylight time, a Cessna 182Q, N735ZD, was substantially damaged when it was involved in an accident near Mapleton, Iowa. The pilot and three passengers were not injured. The airplane was operated as a Title 14 Code…Oct 29, 2025 · N735ZD · Substantial damage NTSB CEN23LA251Accident · No injuriesClass 4 · LimitedFinal reportCessna 180 · Osceola, IAThe pilot’s failure to maintain directional control of the tailwheel equipped airplane during a crosswind landing.Jun 21, 2023 · N3127C · Substantial damage NTSB CEN23LA076Accident · No injuriesClass 3 · LimitedFinal reportCessna 182M · Council Bluffs, IAThe partial loss of engine power for reasons that could not be determined.Jan 5, 2023 · N71494 · Substantial damage NTSB CEN21LA138Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 182F · Millville, IAThe inadequate maintenance/inspection of the airplane, which resulted in a total loss of engine power due to oil starvation.Feb 24, 2021 · N3209U · Substantial damage NTSB GAA15CA125Accident · No injuriesData collectionFinal reportCessna 180B · Waterloo, IAThe incorrect installation of the secondary seat stop reel which resulted in the pilot's loss of control when the seat moved full aft during takeoff.Jun 6, 2015 · N5067E · Substantial damage NTSB CEN11LA148Accident · No injuriesLimited investigationFinal reportBeech H35 · Des Moines, IAA total loss of engine power due to fuel exhaustion as a result of the pilot's inadequate fuel planning.Dec 18, 2010 · N5537D · Substantial damage NTSB CEN09LA491Accident · Minor injuriesLimited investigationFinal reportCessna 182J · Iowa Falls, IABoth pilots' failure to execute adequate visual lookout, resulting in the two airplanes colliding over the runway.Jul 31, 2009 · N989TP · 2 aircraft · Substantial damage NTSB CHI07CA136Accident · No injuriesData collectionFinal reportCessna 182P · Traer, IAThe pilot's failure to maintain control of the airplane during landing on the grass airstrip. A contributing factor was the pilot's limited experience operating on grass runways. Additional factors were the runway cone struck during landing and the irrigation…May 10, 2007 · N52621 · Substantial damage NTSB CHI04LA001Accident · Serious injuriesLimited investigationFinal reportCessna 182A · Shenandoah, IALoss of engine power for an undetermined reason during cruise and the unsuitable terrain for landing encountered by the pilot. The factors to the accident were the dark night, the corn crop, and the ditch.Oct 3, 2003 · N3772D · Substantial damage NTSB CHI03FA088Accident · 1 fatalField investigationFinal reportCessna 182R · North English, IAThe pilot's failure to maintain adequate airspeed which resulted in a stall. Contributing to the accident was the CFI's improper decision to attempt to takeoff from a short, grass taxiway instead of departing from a runway aligned with the prevailing winds,…Mar 22, 2003 · N6211E · Destroyed NTSB CHI96LA080Accident · No injuriesLimited investigationFinal reportCessna 182J · Waukon, IAthe pilot's inadequate preflight planning/preparation, and his failure to maintain directional control while taxiing. Factors in the accident were the icy runway and the gusty wind conditions.Jan 9, 1996 · N2916F · Substantial damage NTSB CHI96LA020Accident · No injuriesLimited investigationFinal reportCessna 180A · Goose Lake, IAinadequate maintenance, inadequate preflight by the pilot, and a loose fuel tank cap that allowed siphoning of fuel, buckling of the right fuel bladder, fuel exhaustion, and loss of engine power. Factors relating to the accident were: darkness, and the soft…Oct 27, 1995 · N185F · Substantial damage NTSB CHI94LA057Accident · Serious injuriesLimited investigationFinal reportCessna 182 · Centerville, IAthe pilot's failure to refuel the airplane during the flight. Factors related to the accident were the inaccurate fuel consumption calculations for the airplane and the fence.Dec 21, 1993 · N4791D · Substantial damage NTSB CHI93LA255Accident · No injuriesLimited investigationFinal reportCessna 182 · Prairie City, IAthe pilot's premature liftoff. Factors in the accident are the soft and wet sod runway.Jul 11, 1993 · N91162 · Substantial damage NTSB CHI93LA001Accident · Minor injuriesLimited investigationFinal reportCessna 182C · Marion, IAThe loss of engine power for undetermined reasons.Oct 4, 1992 · N8773T · Substantial damage NTSB CHI92LA070Accident · No injuriesLimited investigationFinal reportCessna 180H · Shenandoah, IAThe pilot's inadequate compensation for wind conditions and failure to maintain directional control. An associated factor is the pilot's lack of experience in this type operation (crosswind takeoffs).Nov 14, 1991 · N2776X · Substantial damage NTSB MKC88LA035Accident · No injuriesLimited investigationFinal reportCessna 182Q · Davenport, IAThe PIC had chosen rwy 15 for the LOC app and was cleared by approach control. The PIC stated that he cancelled his IFR flt plan entering clear conditions at 3,000 ft. the PIC further stated that he planned an approach using a ltl higher spd for the gusty…Dec 31, 1987 · N96934 · Substantial damage NTSB MKC86FA048Accident · 1 fatalField investigationFinal reportCessna 182A · Clinton, IAThe pilot normally made several touch and go landings before departing the local area. He was known to not fly near clouds or at night. For this flight, the ceiling was at least 1000 feet at takeoff and was at least 700 feet in the accident area. Airplane was…Jan 10, 1986 · N3948D · Destroyed NTSB MKC85LA174Accident · No injuriesLimited investigationFinal reportCessna 180 · Ames, IAThe desired rwy (19) was closed at the destination, so the plt landed on rwy 13 with a 15 kt x-wind. The x-wind was within the capability of the acft & the plt. After touchdown, the plt used full rudder & brake to maintain directional control. However, he…Jul 29, 1985 · N3161C · Substantial damage NTSB MKC85LA160Accident · No injuriesLimited investigationFinal reportCessna 180J · Fort Dodge, IAN180DH was landing on a 6,547 x 150 ft, dry, asphalt, runway with a lt quartering headwind at 15, with gust to 20 KTS. The plt said he made a full flap, full stall, 3PT, landing. The acft was aligned with the rwy centerline but after a short roll the acft…Jul 17, 1985 · N180DH · Substantial damage NTSB MKC83LA132Accident · No injuriesLimited investigationFinal reportCessna 182F · Dows, IAThe acft nosed over during takeoff. The rwy used was 090 and the wind was from 170 degrees at 17 KTS. The plt said the acfts right wing raised followed by the tail and then the left wing dropped impacting the sod rwy before the acft nosed over.Jun 21, 1983 · N3568U · Substantial damage NTSB MKC82DA100Accident · No injuriesFinal reportCessna 182B · Milford, IAThe pilot reported that he was low on fuel and was flying over the airstrip before landing to drop a banner that he was towing. Shortly after the banner was released, the aircraft encountered turbulence causing the aircraft to go into a steep bank. At about…Jun 12, 1982 · N5392B · Substantial damage NTSB MKC82DCD02Accident · No injuriesClosedCessna 182 · Webster City, IAOct 12, 1981 · N3184Q · Substantial damage NTSB MKC81FA039Accident · 1 fatalClosedCessna 182 · New Virginia, IAJun 8, 1981 · N9375H · Destroyed NTSB CHI81DEE25Accident · Minor injuriesClosedCessna 172 · Bellevue, IAApr 1, 1981 · N12119 · Substantial damage NTSB MKC81DCD04Accident · No injuriesClosedCessna 180J · Thompson, IADec 23, 1980 · N7510K · Substantial damage NTSB MKC81FA009Accident · 1 fatalClosedCessna 305A · Denison, IANov 29, 1980 · N5262G · Destroyed NTSB MKC81DCD03Accident · No injuriesClosedCessna 180 · Knoxville, IANov 29, 1980 · N9712B · Substantial damage NTSB MKC80DCD32Accident · No injuriesClosedCessna 182L · Leon, IAAug 30, 1980 · N3182R · Substantial damage NTSB MKC79DCD42Accident · No injuriesClosedCessna 182P · Kossuth, IASep 27, 1979 · N7337Q · Substantial damage NTSB MKC79DCD31Accident · No injuriesClosedCessna 180 · Lawton, IAJul 14, 1979 · N4626B · Substantial damage NTSB MKC77DCD12Accident · No injuriesClosedCessna 182 · Clarion, IAFeb 17, 1977 · N2508R · Substantial damage NTSB MKC76FCD37Accident · 1 fatalClosedTecumseh Spec · Madrid, IAApr 11, 1976 · N200AM · Destroyed NTSB MKC76DCD32Accident · No injuriesClosedBeech H35 · Des Moines, IAMar 17, 1976 · N356B · Substantial damage NTSB MKC76FCD18Accident · Minor injuriesClosedCessna 182F · Waukon, IANov 1, 1975 · N3360U · Substantial damage NTSB MKC74FCD42Accident · Serious injuriesClosedCessna 182 · Cedar Rapids, IAJun 20, 1974 · N5715B · Substantial damage NTSB MKC74DCD02Accident · No injuriesClosedCessna 182 · Waterloo, IAJul 15, 1973 · N2612F · Substantial damage NTSB MKC73DCD34Accident · No injuriesClosedCessna 182 · West Union, IAOct 4, 1972 · N3056F · Substantial damage NTSB MKC73AK014Accident · No injuriesClosedBeech H35 · Marion, IAAug 4, 1972 · N7940D · Substantial damage NTSB MKC73FCD03Accident · No injuriesClosedCessna 180 · Iowa City, IAJul 16, 1972 · N1508C · 2 aircraft · Minor damage NTSB MKC72DCD31Accident · No injuriesClosedCessna 182G · Des Moines, IASep 13, 1971 · N3240S · Substantial damage NTSB MKC71DGD90Accident · No injuriesClosedCessna 180 · Fort Dodge, IAJun 10, 1971 · N9175C · Substantial damage NTSB MKC71DCD67Accident · No injuriesClosedCessna 180 · Creson, IAApr 7, 1971 · N7813A · Substantial damage NTSB MKC71DCD63Accident · No injuriesClosedCessna 182 · Waterloo, IAMar 6, 1971 · N5418B · Substantial damage NTSB MKC71DCD48Accident · No injuriesClosedCessna 182A · Fairfield, IAJan 1, 1971 · N4749D · Substantial damage NTSB MKC71DCD47Accident · Serious injuriesClosedCessna 182J · Mason City, IADec 27, 1970 · N2857F · No damage NTSB MKC71FCD41Accident · Minor injuriesClosedCessna 182J · Oskaloosa, IADec 18, 1970 · N3136F · Substantial damage NTSB MKC70DCD42Accident · No injuriesClosedCessna 182 · Muscatine, IAJun 26, 1970 · N71573 · Substantial damage NTSB MKC70DCD27Accident · No injuriesClosedBellanca 14-19 · Creston, IAApr 12, 1970 · N9849B · Substantial damage NTSB MKC70AK053Accident · 4 fatalClosedCessna 182M · Adair, IAApr 12, 1970 · N91598 · Destroyed