# NTSB investigations: Continental TSIO-520 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 CEN22FA021](https://openairdocs.org/ntsb/CEN22FA021.md): Beech B36TC · Lena, WI · Accident · 1 fatal · Class 3 · Field · Final report · Oct 27, 2021 · N75RM · Substantial damage
  > Impairment and subsequent incapacitation of the pilot for reasons that could not be determined. The incapacitation resulted in a loss of engine power due to fuel starvation. Likely contributing was pilot hypoxia due to altitude exposure, possibly worsened by…
- [NTSB CEN20LA179](https://openairdocs.org/ntsb/CEN20LA179.md): Cessna P210 · Burlington, WI · Accident · 1 fatal · Class 3 · Limited · Final report · May 15, 2020 · N1JA · Substantial damage
  > The pilot did not maintain a safe altitude during the visual approach, and subsequently lost control which resulted an impact with trees and terrain.
- [NTSB CEN17CA114](https://openairdocs.org/ntsb/CEN17CA114.md): Cessna 340A · Waukesha, WI · Accident · No injuries · Data collection · Final report · Feb 25, 2017 · N255BC · Substantial damage
  > The pilot’s decision to fly in in conditions conducive to structural icing and her subsequent failure to maintain airplane control during the instrument approach.
- [NTSB CEN15FA311](https://openairdocs.org/ntsb/CEN15FA311.md): Piper PA-46-310P · Oshkosh, WI · Accident · Serious injuries · Field investigation · Final report · Jul 22, 2015 · N4BP · Substantial damage
  > The pilot's failure to perform a go-around after receiving a modified landing clearance and his failure to maintain adequate airspeed while maneuvering to land, which resulted in the airplane exceeding its critical angle of attack in a steep bank and entering…
- [NTSB CEN11CA586](https://openairdocs.org/ntsb/CEN11CA586.md): Cessna TU206G · Shawno, WI · Accident · Minor injuries · Data collection · Final report · Aug 21, 2011 · N12TL · Substantial damage
  > The pilot's loss of control on final approach, while maneuvering to avoid birds.
- [NTSB CEN11CA128](https://openairdocs.org/ntsb/CEN11CA128.md): Cessna 340A · Madison, WI · Accident · No injuries · Data collection · Final report · Dec 21, 2010 · N233DS · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the approach, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's failure to check the de-ice fluid level prior to takeoff, which resulted in the failure of the de-ice…
- [NTSB CEN10CA460](https://openairdocs.org/ntsb/CEN10CA460.md): Cessna T210M · Shell Lake, WI · Accident · No injuries · Data collection · Final report · Jul 29, 2010 · N701PS · Substantial damage
  > The collision with the deer during landing roll.
- [NTSB CEN10IA059](https://openairdocs.org/ntsb/CEN10IA059.md): Piper PA-46-310P · Elk Mound, WI · Incident · No injuries · Incident investigation · Final report · Nov 13, 2009 · N667PC · Minor damage
  > The loss of engine power due to component failure from excessive heating of the engine connecting rod journals.
- [NTSB CEN09LA095](https://openairdocs.org/ntsb/CEN09LA095.md): Cessna 402 · Madison, WI · Accident · No injuries · Limited investigation · Final report · Dec 17, 2008 · N4504B · Substantial damage
  > The pilot’s improper fuel management, which resulted in a loss of engine power during an instrument landing due to fuel exhaustion.
- [NTSB CHI07LA135](https://openairdocs.org/ntsb/CHI07LA135.md): Cessna 414A · Sturgeon Bay, WI · Accident · No injuries · Limited investigation · Final report · May 6, 2007 · N53WT · Substantial damage
  > Worn brakes which resulted in an overrun during landing. A fence was a factor.
- [NTSB CHI05FA016](https://openairdocs.org/ntsb/CHI05FA016.md): Cessna P210N · Wautoma, WI · Accident · 2 fatal · Field investigation · Final report · Oct 26, 2004 · N5485W · Destroyed
  > The pilot not maintaining airplane control during cruise flight in instrument meteorological conditions after reporting a loss of gyros leading to his exceeding the design load limits of the wings. Factors were the clouds, the deteriorated vacuum manifold…
- [NTSB CHI01LA271](https://openairdocs.org/ntsb/CHI01LA271.md): Piper PA-46-310P · Milwaukee, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 2001 · N9106V · Substantial damage
  > the rich fuel mixture and the unsuitable landing area encountered by the pilot. Contributing factors were the high output of the fuel pump and the low altitude.
- [NTSB CHI98LA057](https://openairdocs.org/ntsb/CHI98LA057.md): Cessna 402A · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Dec 9, 1997 · N728QA · Substantial damage
  > Inadequate preflight planning/preparation, which resulted in fuel exhaustion.
- [NTSB CHI97LA087](https://openairdocs.org/ntsb/CHI97LA087.md): Cessna T210 · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Mar 15, 1997 · N6677N · Substantial damage
  > the pilot inadvertently retracting the landing gear during the takeoff roll.
- [NTSB NYC95FA056](https://openairdocs.org/ntsb/NYC95FA056.md): Piper PA-46-310P · Chippewa Falls, WI · Accident · 2 fatal · Field investigation · Final report · Feb 15, 1995 · N9YP · Destroyed
  > The pilot's improper decision to depart into known adverse weather conditions, and the subsequent encounter with freezing drizzle, resulting in an inadvertent stall and collision with the terrain during an approach to land. Also causal to the accident was the…
- [NTSB CHI94LA221](https://openairdocs.org/ntsb/CHI94LA221.md): Beech 58 · Land O'Lakes, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1994 · N625P · Substantial damage
  > the pilot's failure to maintain clearance with trees. Factors in the accident were the trees, the pilot's operation with known deficiencies in equipment, and the pilot's diverted attention.
- [NTSB CHI93LA040](https://openairdocs.org/ntsb/CHI93LA040.md): Cessna 401B · Rice Lake, WI · Accident · No injuries · Limited investigation · Final report · Nov 27, 1992 · N7989Q · Substantial damage
  > Improper rigging of the right main landing gear retract bellcrank by other maintenance personnel.
- [NTSB CHI91LA019](https://openairdocs.org/ntsb/CHI91LA019.md): Cessna 150 · La Crosse, WI · Accident · No injuries · Limited investigation · Final report · Oct 30, 1990 · N7641G · Substantial damage
  > Inadequate visual outlook by the PIC.
- [NTSB CHI86FA199](https://openairdocs.org/ntsb/CHI86FA199.md): Cessna 177 · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Aug 5, 1986 · N17204 · 2 aircraft · Substantial damage
  > A spl tfc management program was in effect for an annual eaa fly-in, & a waiver to FAA handbook 7110.65D was in effect which allowed for reduced sepn btn acft opng at wittman fld. As 2 acft were lndg, the plt of the 1st acft (Cessna 177, N17204) was told to…
- [NTSB CHI83LA067](https://openairdocs.org/ntsb/CHI83LA067.md): Cessna T210N · Cassville, WI · Accident · No injuries · Limited investigation · Final report · Jan 1, 1983 · N6594N · Destroyed
  > The pilot stated that he refueled at mobile but did not visually check the fuel tanks. The pilot thought he had 15 gallons of fuel remaining at the time the engine loss power. Fuel tanks were switched from left to right and held on "hi" boost (auxiliary boost…
- [NTSB CHI81DA017](https://openairdocs.org/ntsb/CHI81DA017.md): Beech 58TC · Elkhart Lake, WI · Accident · No injuries · Closed · Jan 2, 1981 · N319CA · Substantial damage
- [NTSB CHI79FA027](https://openairdocs.org/ntsb/CHI79FA027.md): Beech 58P · Waukesha, WI · Accident · 1 fatal · Closed · Jan 27, 1979 · N9ZZ · Destroyed

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

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