# NTSB investigations: Continental TSIO-520 series, IA

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN26LA045](https://openairdocs.org/ntsb/CEN26LA045.md): Cessna TU206F · Muscatine, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Nov 12, 2025 · N37EW · 2 aircraft · Substantial damage
  > On November 12, 2025, about 14:10 central standard time, a Cessna TU206F, N37EW, and a Hawker Beechcraft Corp B300, N545KA, were substantially damaged when they were involved in an accident at Muscatine Regional Airport (MUT), Muscatine, Iowa. The pilot and…
- [NTSB CEN21FA207](https://openairdocs.org/ntsb/CEN21FA207.md): Cessna T210M · Oxford, IA · Accident · 1 fatal · Class 3 · Field · Final report · May 2, 2021 · N1215M · Destroyed
  > The pilot’s loss of directional control during landing in gusting crosswind conditions that exceeded the airplane’s capability and his decision to attempt to takeoff from a field, which resulted in collision with a power pole/line and terrain.
- [NTSB CEN16FA361](https://openairdocs.org/ntsb/CEN16FA361.md): Piper PA 46-310P · Chariton, IA · Accident · 1 fatal · Field investigation · Final report · Sep 7, 2016 · N465JM · Substantial damage
  > The non-instrument-rated pilot's loss of control due to spatial disorientation in instrument meteorological conditions, which resulted in an exceedance of the airplane's design stress limitations and a subsequent in-flight breakup. Contributing to the…
- [NTSB CEN15FA008](https://openairdocs.org/ntsb/CEN15FA008.md): Piper PA46 · Dubuque, IA · Accident · 1 fatal · Field investigation · Final report · Oct 14, 2014 · N9126V · Destroyed
  > The pilot's loss of airplane control while attempting to fly a missed approach procedure in instrument meteorological conditions.
- [NTSB CHI08CA218](https://openairdocs.org/ntsb/CHI08CA218.md): Cessna T188C · Marion, IA · Accident · No injuries · Data collection · Final report · Jul 28, 2008 · N3419J · Substantial damage
  > The pilot not maintaining airspeed while performing an aerial application maneuver and the inadvertent stall he encountered. Contributing to the accident was the gust of wind during the maneuver.
- [NTSB CHI07FA073](https://openairdocs.org/ntsb/CHI07FA073.md): Cessna 340A · Council Bluffs, IA · Accident · 4 fatal · Field investigation · Final report · Feb 17, 2007 · N111SC · Destroyed
  > The pilot's continued flight into adverse weather, and his failure to maintain altitude during the instrument approach. Contributing factors were the presence of severe icing, moderate turbulence, and low-level wind shear.
- [NTSB CHI04LA183](https://openairdocs.org/ntsb/CHI04LA183.md): Cessna 340A · Mason City, IA · Accident · No injuries · Limited investigation · Final report · Jul 9, 2004 · N60PP · Substantial damage
  > The proper touchdown point not obtain/maintained by the pilot following a single-engine approach to landing. Contributing factors were the vacuum pump oil leak, the low oil pressure of the propeller control system, and the unfeathered propeller.
- [NTSB CHI00LA052](https://openairdocs.org/ntsb/CHI00LA052.md): Cessna T210F · Indianola, IA · Accident · Serious injuries · Limited investigation · Final report · Dec 28, 1999 · N6144R · Destroyed
  > loss of engine power for undetermined reason. A factor relating to this accident was the tree.
- [NTSB CHI98LA098](https://openairdocs.org/ntsb/CHI98LA098.md): Cessna 402B · Mason City, IA · Accident · Minor injuries · Limited investigation · Final report · Feb 27, 1998 · N108RS · Substantial damage
  > the accumulation of airframe ice during flight, and failure of the pilot to attain a proper flare for landing. Factors relating to the accident were: the adverse weather (icing) condition; and the pilot's limited forward visibility, due to ice on the…
- [NTSB CHI96LA232](https://openairdocs.org/ntsb/CHI96LA232.md): Cessna 188 · Independence, IA · Accident · No injuries · Limited investigation · Final report · Jul 10, 1996 · N9542J · Substantial damage
  > the delayed jettison of the dry chemicals by the pilot. The inability of the airplane to climb was a related factor.
- [NTSB MKC89LA163](https://openairdocs.org/ntsb/MKC89LA163.md): Beech 58 · Cedar Rapids, IA · Accident · No injuries · Limited investigation · Final report · Jul 30, 1989 · N1846L · Substantial damage
  > The failure of the pilot in command to maintain alignment with the runway and excessive aircraft control in close proximity to the ground. Contributing to the accident was the pilot's diverted attention which resulted from having to shut down the left engine.
- [NTSB MKC86LA159](https://openairdocs.org/ntsb/MKC86LA159.md): Cessna T188C · Davenport, IA · Accident · No injuries · Limited investigation · Final report · Jul 27, 1986 · N9975J · Substantial damage
  > The ag pilot was spraying a field when he impacted powerlines which removed the upper one-third of the vertical stab and rudder. On landing he groundlooped and collapsed the right main gear.
- [NTSB MKC84LA048](https://openairdocs.org/ntsb/MKC84LA048.md): Cessna 402B · Davenport, IA · Accident · No injuries · Limited investigation · Final report · Dec 29, 1983 · N7947Q · Substantial damage
  > The acft skidded sideways during landing on an icy rwy. The nose gear collapsed sideways when it collided with a snowbank at the rwys edge. There were no injuries.
- [NTSB MKC83LA208](https://openairdocs.org/ntsb/MKC83LA208.md): Cessna TU206G · Indianola, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1983 · N9583Z · Substantial damage
  > The acft overran the rwy and collided with a dirt bank during landing. The flt was returning from a cross-country and the wife of the pilot who was a passenger in the acft said her husband froze on the controls and made no attempt to stopthe acft after…
- [NTSB MKC82DA162](https://openairdocs.org/ntsb/MKC82DA162.md): Cessna T188C · Mechanicsville, IA · Accident · No injuries · Final report · Aug 31, 1982 · N4927J · Destroyed
  > The pilot began his takeoff from a 2200 ft strip with a load of about 40 gallons of fuel and 1500 to 1600 lbs of seed. He reported that the wind was from the southeast at 2 mph, the temperature was 74 deg, and the elevation was 800 ft. the aircraft became…
- [NTSB MKC82DA148](https://openairdocs.org/ntsb/MKC82DA148.md): Cessna T188C · Near Traer, IA · Accident · No injuries · Final report · Aug 17, 1982 · N9975J · Substantial damage
  > The pilot failed to refuel during the last loading, and shortly after returning to the spray area, the engine quit. A forced landing was made in an alfala field during which the aircraft collided with a fence. During the investigation, no fuel was found in…
- [NTSB MKC80FCD22](https://openairdocs.org/ntsb/MKC80FCD22.md): Cessna 210 · Waterloo, IA · Accident · No injuries · Closed · Jul 24, 1980 · N5357A · Substantial damage
- [NTSB MKC76FCD50](https://openairdocs.org/ntsb/MKC76FCD50.md): Cessna T210 · Iowa Falls, IA · Accident · No injuries · Closed · Jun 27, 1976 · N1675X · 2 aircraft · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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 ('17040'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17040&state=IA

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
