NTSB investigations: Continental IO-520 series, IA
59 cases on aircraft whose registry engine model is Continental IO-520 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.
Cases per year
| 1965 | 2 |
|---|---|
| 1966 | 5 |
| 1967 | 1 |
| 1968 | 4 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 4 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 5 |
| 1980 | 5 |
| 1983 | 2 |
| 1988 | 4 |
| 1989 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2005 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2026 | 2 |
Where
Open the mapLatest 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\" = '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 ('17032'))
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 ('17032'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 CEN26LA274Accident · No injuriesClass 4 · LimitedFinal reportCessna A188B · Algona, IAThe pilot’s failure to maintain control during a turn, which resulted in an aerodynamic stall.NTSB CEN26LA271Accident · No injuriesClass 3 · LimitedPreliminary reportBeech V35 · Carroll, IAOn July 24, 2026, about 1550 central daylight time, a Beech V35 airplane, N3707Q, was substantially damaged when it was involved in an accident near Carroll, Iowa. The pilot was not injured. The flight was operated under the provisions of Title 14 Code of…NTSB CEN13LA500Accident · 1 fatalLimited investigationFinal reportCessna 206 · Brooklyn, IAThe improper routing of the seatbelt, which resulted in the inadvertent deployment of the reserve parachute, and the open jump door, which allowed the passenger to be pulled from the airplane.NTSB CEN12LA224Accident · No injuriesLimited investigationFinal reportCessna U206B · Winterset, IAThe loss of oil pressure to the No. 4 connecting rod journal and the subsequent loss of engine power.NTSB CEN11LA513Accident · No injuriesLimited investigationFinal reportCessna A188B · Mount Hamill, IAThe loss of engine power due to fuel starvation and the pilot's inadequate fuel management.NTSB CEN10FA320Accident · 2 fatalField investigationFinal reportBeech A36 · Lidderdale, IAThe pilot's decision to initiate the flight in marginal weather conditions and his loss of aircraft control.NTSB CHI08CA260Accident · No injuriesData collectionFinal reportCessna A188B · Camanche, IAThe pilot took off on an unsuitable airstrip which resulted in the airplane becoming prematurely airborne with inadequate airspeed after it contacted a rise in the terrain.NTSB CHI07CA285Accident · No injuriesData collectionFinal reportNavion Navion H · Atlantic, IAThe pilot's improper flare and touchdown during landing resulting in overload failure of the left main landing gear. A contributing factor was the pilot's distraction due to the unlatched cabin door.NTSB CHI06CA008Accident · Minor injuriesData collectionFinal reportCessna 310R · Ottumwa, IAThe pilot misjudged his altitude and airspeed while landing which resulted in the airplane stalling 20 feet above the runway. A factor associated with the accident was the pilot's execution of the approach when reported weather conditions were below the…NTSB CHI03FA094Accident · 3 fatalField investigationFinal reportBeech A36 · New Vienna, IAThe improper planning/decision by the pilot to fly into forecast icing conditions with an airplane not equipped with a certified deice system. The continued flight in known icing conditions and the flight to an alternate destination not performed by the pilot…NTSB CHI02FA009Accident · 1 fatalField investigationFinal reportBeech 58 · Dubuque, IAThe pilot continued flight into known adverse weather and disregarded the minimum descent altitude. Additional factors were the conditions conducive to pilot fatigue, fog, and night.NTSB CHI97LA288Accident · No injuriesLimited investigationFinal reportBeech 35-C33A · Amana, IAthe pilot's improper planning/decision. The fence (location) was a related factor.NTSB CHI96FA146Accident · 3 fatalField investigationFinal reportCessna 421 · Bernard, IAthe pilot's operation of the airplane with known deficiencies, subsequent loss of oil from the left engine, and the pilot's failure to maintain minimum controllable airspeed (VMC), while diverting to an alternate airport. Factors relating to the accident…NTSB CHI93LA348Accident · No injuriesLimited investigationFinal reportBellanca 17-30 · Blakesburg, IAThe pilot's failure to maintain clearance with the fence post and his midjudging the airplane glidepath.NTSB CHI93LA052Accident · Minor injuriesLimited investigationFinal reportCessna 402B · Cedar Rapids, IAThe pilot-in-command's failure to maintain a proper glidepath.NTSB MKC89LA071Accident · No injuriesLimited investigationFinal reportCessna 310 · Des Moines, IAThe failure of the pilot to properly flare the airplane. Contributing to the accident were the weather conditions.NTSB MKC89LA031Accident · No injuriesLimited investigationFinal reportBellanca 17-30 · Martelle, IAAnticipating a fuel shortage on a personal cross country flight, the plt requested the nearest airport from approach control. The nearest apt was within five miles of his destination apt so continued on course. About 15 miles from his destination, and having…NTSB MKC88FA175Accident · 1 fatalField investigationFinal reportCessna 310R · Latimer, IAThe pilot had completed his normal flight schedule and was assigned an additional trip from des moines, Iowa to st paul, Minnesota. Calculations show that the pilot had flown an estimated 5 hours in the 8 1/2 hours preceding the accident. The line attendant…NTSB MKC88LA155Accident · No injuriesLimited investigationFinal reportCessna 188B · Sumner, IADuring takeoff for an aerial application operation, the pilot said he was not able to climb high enough to clear a 4 foot high road at the end of the runway. He collided with the road, shearing off the main ldg gear and substantially damaging the acft. He…NTSB MKC88LA061Accident · No injuriesLimited investigationFinal reportBeech A36 · Cherokee, IAThe plt stated, that shortly after takeoff, the engine lost substantial pwr. Afterwards there was smoke in the cockpit. The PIC reversed his course with the intent to land on the departure arpt. When he felt he had the ldg field made, he attempted to lower…NTSB MKC84LA050Accident · No injuriesLimited investigationFinal reportCessna 210L · Des Moines, IAThe acft departed toronto, Canada at 1927 CST. About 5 hrs & 1 min later, the eng lost power when the plt was on final apch for landing. Subsequently, the acft collided with a vehicle & a light pole when the plt made a forced landing on a snow-covered parking…NTSB MKC83LA210Accident · No injuriesLimited investigationFinal reportCessna 188A · Klemme, IAThe acft inadvertently descended into the tops of a corn crop while dispensing smoke in preparation for spraying. The induced drag slowed the acft and it landed hard. The plt stated he diverted his his attn to the spray nozzles.NTSB MKC80FA043Accident · Serious injuriesClosedCessna 401A · Spirit Lake, IANTSB MKC80FCD18Accident · No injuriesClosedBeech 95-D55 · Mason City, IANTSB MKC80FCD14Accident · Serious injuriesClosedCessna 210L · Clear Lake, IANTSB MKC80FCD12Accident · No injuriesClosedCessna 185 · Creston, IANTSB MKC80DCD10Accident · No injuriesClosedCessna U206 · West Union, IANTSB MKC78DCD47Accident · No injuriesClosedCessna 210M · Davenport, IANTSB MKC78DCD41Accident · No injuriesClosedCessna 188B · Yale, IANTSB MKC78DCD30Accident · No injuriesClosedCessna 188 · Atlantic, IANTSB MKC78FA034Accident · 5 fatalClosedBeech S-35 · Audubon, IANTSB MKC78DA019Accident · No injuriesClosedCessna 310R · Muscatine, IANTSB MKC77FCD21Accident · No injuriesClosedCessna 206 · Ames, IANTSB MKC77FCD08Accident · No injuriesClosedBellanca 17-30A · Des Moines, IANTSB MKC76DCD42Accident · No injuriesClosedCessna 188 · Cedar Falls, IANTSB MKC76FCD08Accident · No injuriesClosedCessna A188 · Onawa, IANTSB MKC75DCD23Accident · No injuriesClosedBeech B55 · Marion, IANTSB MKC74FCD31Accident · No injuriesClosedBellanca 17-30A · Red Oak, IANTSB MKC72FCD32Accident · Serious injuriesClosedBeech V35A · Ida Grove, IANTSB MKC72DCD09Accident · No injuriesClosedBeech V35A · Sac City, IANTSB MKC71DCD93Accident · No injuriesClosedBeech S35 · Iowa City, IANTSB MKC71FCD60Accident · Serious injuriesClosedCessna U206E · Soldier, IANTSB MKC71FCD20Accident · Minor injuriesClosedCessna U206 · Holstein, IANTSB MKC70AK064Accident · No injuriesClosedBeech S35 · Guthrie Cntr, IANTSB MKC70F0230Accident · No injuriesClosedBeech V35 · Dows, IANTSB MKC70D0147Accident · No injuriesClosedBeech S35 · Spirit Lake, IANTSB MKC69D0400Accident · No injuriesClosedBeech V35 · Sac City, IANTSB MKC69F0254Accident · No injuriesClosedBeech V35 · Des Moines, IANTSB MKC69F0010Accident · No injuriesClosedCessna 206 · Spirit Lake, IANTSB MKC68D0524Accident · No injuriesClosedCessna 206 · Shenandoah, IA