# NTSB investigations: Continental I0-470 series, WI

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 CEN26LA326](https://openairdocs.org/ntsb/CEN26LA326.md): Beech 35-A33 · East Troy, WI · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Sep 27, 2026 · N1288Z · Substantial damage
  > On September 27, 2026, about 1333 central daylight time, a Beech A33 airplane, N1288Z, was substantially damaged when it was involved in an accident near East Troy, Wisconsin. The pilot and three passengers sustained minor injuries. The airplane was operated…
- [NTSB CEN26LA319](https://openairdocs.org/ntsb/CEN26LA319.md): Beech K35 · Wausau, WI · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Sep 13, 2026 · N6071E · Substantial damage
  > On September 12, 2026, about 2049 central daylight time, a Beech K35 airplane, N6071E, was substantially damaged when it was involved in an accident near Wausau, Wisconsin. The pilot and passenger suffered minor injuries. The flight was operated as a Title 14…
- [NTSB CEN18LA361](https://openairdocs.org/ntsb/CEN18LA361.md): Beech 55 · Waupaca, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 1, 2018 · N10DS · Substantial damage
  > The total loss of engine power due to fuel exhaustion.
- [NTSB CEN15FA320](https://openairdocs.org/ntsb/CEN15FA320.md): Beech M35 · Amery, WI · Accident · 4 fatal · Field investigation · Final report · Jul 27, 2015 · N9CB · Destroyed
  > The pilot’s loss of airplane control while maneuvering with the airplane near its maximum gross weight, which resulted in the airplane exceeding its critical angle-of-attack and entering an aerodynamic stall.
- [NTSB CEN12CA165](https://openairdocs.org/ntsb/CEN12CA165.md): Beech 95-B55 · Lancaster, WI · Accident · No injuries · Data collection · Final report · Feb 17, 2012 · N4624A · Substantial damage
  > The pilot’s inadequate fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CHI05CA266](https://openairdocs.org/ntsb/CHI05CA266.md): Ryan Navion G · Lake Geneva, WI · Accident · No injuries · Data collection · Final report · Sep 14, 2005 · N2401T · Substantial damage
  > The loss of engine power due to water contamination of the fuel and the pilot's inadequate preflight. A factor was the fence.
- [NTSB CHI05CA262](https://openairdocs.org/ntsb/CHI05CA262.md): Cessna 310Q · Boscobel, WI · Accident · No injuries · Data collection · Final report · Sep 9, 2005 · N75SM · Substantial damage
  > The pilot's misjudged distance/altitude which resulted in an undershoot. A related factor was the pilot's diverted attention due to the open cabin door.
- [NTSB CHI05LA129](https://openairdocs.org/ntsb/CHI05LA129.md): Cessna 210B · Friendship, WI · Accident · No injuries · Limited investigation · Final report · May 30, 2005 · N9623X · Substantial damage
  > The loss of engine power for an undetermined reason. Contributing factors to the accident were the trees and the dark night light condition.
- [NTSB CHI03FA234](https://openairdocs.org/ntsb/CHI03FA234.md): Beech M35 · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 29, 2003 · N9785R · Substantial damage
  > The pilot's inadequate in-flight planning/decision and his failure to execute a go-around. Contributing factors were the pilot's failure to attain alignment with the runway centerline, the runway light and the airport sign.
- [NTSB CHI98LA213](https://openairdocs.org/ntsb/CHI98LA213.md): Cessna 310N · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Jun 20, 1998 · N5030Q · Substantial damage
  > other maintenance personnel not installing nose landing gear door linkage. Factors were the unsecured landing gear door, the nose landing gear becoming jammed and the gear extension not possible by the pilot.
- [NTSB CHI95LA254](https://openairdocs.org/ntsb/CHI95LA254.md): Beech 55 · Delavan, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 18, 1995 · N3070W · Substantial damage
  > The pilot misjudged the flare and improper recovery from a bounced landing. Lack of experience in the make and model aircraft was a factor.
- [NTSB CHI86FA151](https://openairdocs.org/ntsb/CHI86FA151.md): Beech 55 · Kenosha, WI · Accident · No injuries · Field investigation · Final report · Jun 7, 1986 · N1268Z · Substantial damage
  > The acft was on a positioning flt returning from traverse city, MI, to Kenosha, WI. The reported milwaukee weather was ceiling 300 ft and visibility 2 miles. The pilot was cleared for a VOR 14 approach and given vectors to the final approach course. The pilot…
- [NTSB CHI86LA010](https://openairdocs.org/ntsb/CHI86LA010.md): Beech K35 · New Lisbon, WI · Accident · Serious injuries · Limited investigation · Final report · Oct 14, 1985 · N6060E · Destroyed
  > According to the plt, acft preflight, engine runup and warm up were normal. Takeoff and initial climb up to approx 300 ft AGL were normal also. At this point the engine quit and the plt performed a forced landing in a clover field below him. The acft was…
- [NTSB CHI82FA329](https://openairdocs.org/ntsb/CHI82FA329.md): Cessna 310Q · Near Woodruff, WI · Accident · 1 fatal · Field investigation · Final report · Aug 30, 1982 · N7746Q · Destroyed
  > At approximately 2050, the acft was cleared for a NDB approach to lakeland arpt. At 2100, the acft crashed into a heavily wooded area 8.5 mi nw of the arpt.
- [NTSB CHI82DA173](https://openairdocs.org/ntsb/CHI82DA173.md): Cessna 210 · Loganville, WI · Accident · No injuries · Final report · May 18, 1982 · N9698T · Substantial damage
  > During landing approach the engine lost power and the pilot attempted to land in an open field. The aircraft failed to clear a terrace and the nose gear separated from the airplane. The pilot stated, "while concentrating on the various aspects of operation in…
- [NTSB CHI82FEP13](https://openairdocs.org/ntsb/CHI82FEP13.md): Cessna 210C · Baraboo, WI · Accident · No injuries · Closed · Dec 11, 1981 · N3677Y · Destroyed
- [NTSB CHI81FA104](https://openairdocs.org/ntsb/CHI81FA104-123639.md): Cessna 210 · Mosinee, WI · Accident · 3 fatal · Closed · Sep 25, 1981 · N9582T · Destroyed
- [NTSB CHI78DEP57](https://openairdocs.org/ntsb/CHI78DEP57.md): Cessna 185 · Juneau, WI · Accident · No injuries · Closed · Aug 19, 1978 · N2638Z · Substantial damage
- [NTSB CHI77FEP58](https://openairdocs.org/ntsb/CHI77FEP58.md): Beech 95-A55 · Milwaukee, WI · Accident · No injuries · Closed · Aug 25, 1977 · N200KL · Substantial damage
- [NTSB CHI74FEP52](https://openairdocs.org/ntsb/CHI74FEP52.md): Cessna 210 · Watertown, WI · Accident · Minor injuries · Closed · Jun 15, 1974 · N6545X · Substantial damage
- [NTSB CHI74FEP29](https://openairdocs.org/ntsb/CHI74FEP29.md): Cessna 210 · Milwaukee, WI · Accident · No injuries · Closed · Jan 29, 1974 · N9602T · Substantial damage
- [NTSB CHI71DDJ18](https://openairdocs.org/ntsb/CHI71DDJ18.md): Cessna 210 · Eleva, WI · Accident · No injuries · Closed · Sep 25, 1970 · N7484E · Substantial damage
- [NTSB CHI71AC010](https://openairdocs.org/ntsb/CHI71AC010.md): Beech 95-A55 · Green Bay, WI · Accident · No injuries · Closed · Jul 28, 1970 · N9618Y · Substantial damage
- [NTSB CHI70D0029](https://openairdocs.org/ntsb/CHI70D0029.md): Beech 35-C33 · Burlington, WI · Accident · No injuries · Closed · May 7, 1969 · N2027W · Substantial damage
- [NTSB CHI69D0392](https://openairdocs.org/ntsb/CHI69D0392.md): Cessna 310F · Appleton, WI · Accident · No injuries · Closed · Dec 6, 1968 · N5814X · Substantial damage
- [NTSB CHI68F0586](https://openairdocs.org/ntsb/CHI68F0586.md): Cessna 210B · Sauk City, WI · Accident · No injuries · Closed · Feb 5, 1968 · N9627X · Substantial damage
- [NTSB CHI68D0481](https://openairdocs.org/ntsb/CHI68D0481.md): Cessna 310F · Waukesha, WI · Accident · No injuries · Closed · Dec 4, 1967 · N6720X · Substantial damage
- [NTSB CHI67F0173](https://openairdocs.org/ntsb/CHI67F0173.md): Cessna 205 · Oak Creek, WI · Accident · No injuries · Closed · Aug 27, 1966 · N8150Z · Substantial damage
- [NTSB CHI67D0157](https://openairdocs.org/ntsb/CHI67D0157.md): Cessna 185 · Land O Lakes, WI · Accident · No injuries · Closed · Aug 16, 1966 · N4019Y · Substantial damage
- [NTSB CHI66D0442](https://openairdocs.org/ntsb/CHI66D0442.md): Cessna 210 · Delavan, WI · Accident · No injuries · Closed · Sep 11, 1965 · N9492T · Substantial damage
- [NTSB UNK64X1972](https://openairdocs.org/ntsb/UNK64X1972.md): Beechcraft S35 · Milwaukee, WI · Accident · No injuries · Closed · May 27, 1964 · N1503S · Substantial damage
- [NTSB UNK64X1850](https://openairdocs.org/ntsb/UNK64X1850.md): Beechcraft 35-33 · La Crosse, WI · Accident · No injuries · Closed · May 19, 1964 · N918T · 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" = 'WI' 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 ('17027'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17027&state=WI

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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.