# NTSB investigations: Continental IO-550 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 CEN24FA277](https://openairdocs.org/ntsb/CEN24FA277.md): Lancair ES · Oshkosh, WI · Accident · 2 fatal · Class 3 · Field · Final report · Jul 22, 2024 · N18BG · Destroyed
  > The pilot’s failure to maintain adequate airspeed which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall while maneuvering for traffic spacing.
- [NTSB CEN24LA245](https://openairdocs.org/ntsb/CEN24LA245.md): Raytheon A36 · Land O' Lakes, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 30, 2024 · N47RT · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CEN23FA239](https://openairdocs.org/ntsb/CEN23FA239.md): Mooney M20R · Watertown, WI · Accident · 2 fatal · Class 3 · Field · Final report · Jun 14, 2023 · N1025C · Destroyed
  > The pilot’s loss of control due to spatial disorientation while operating in instrument meteorological conditions. Contributing to the accident was the pilot’s impairment from the prohibited substance; however, the extent of impairment could not be determined.
- [NTSB CEN21LA232](https://openairdocs.org/ntsb/CEN21LA232.md): Cirrus Design SR22 · Whitewater, WI · Accident · No injuries · Class 3 · Limited · Final report · May 16, 2021 · N4144B · Substantial damage
  > An inflight instrument malfunction for reasons that could not be determined based on available information, which led to the pilot’s decision to activate the airframe parachute system.
- [NTSB CEN20LA006](https://openairdocs.org/ntsb/CEN20LA006.md): Beech 36 · Waukesha, WI · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2019 · N396JG · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB CEN19IA234](https://openairdocs.org/ntsb/CEN19IA234.md): Mooney M20J · Oshkosh, WI · Incident · No injuries · Class 3 · Incident · Final report · Jul 21, 2019 · N9201A · 2 aircraft · Minor damage
  > The failure of both pilots to remain clear of the other while flying in formation.
- [NTSB GAA15CA033](https://openairdocs.org/ntsb/GAA15CA033.md): Lancair LC 40 550FG · Middleton, WI · Accident · No injuries · Data collection · Final report · Apr 1, 2015 · N777XX · Substantial damage
  > The pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's inadequate compensation for the crosswind during landing.
- [NTSB CEN12FA617](https://openairdocs.org/ntsb/CEN12FA617.md): Beech A36 · Kansasville, WI · Accident · 1 fatal · Field investigation · Final report · Sep 9, 2012 · N3224G · Substantial damage
  > In-flight loss of control for reasons that could not be determined because postaccident examination of the pilot and testing of the airplane did not reveal any anomalies that would have led to the loss of control.
- [NTSB CEN11CA462](https://openairdocs.org/ntsb/CEN11CA462.md): Mooney M20S · Washington Island, WI · Accident · No injuries · Data collection · Final report · Jul 3, 2011 · N2234X · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing and his delayed remedial action to abort the landing.
- [NTSB CEN10LA145](https://openairdocs.org/ntsb/CEN10LA145.md): Hawker Beechcraft A36 · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Mar 6, 2010 · N1114X · Substantial damage
  > The pilot's retraction of the landing gear prior to establishing a positive climb rate.
- [NTSB CHI08FA224](https://openairdocs.org/ntsb/CHI08FA224.md): Moser Georg Lancair Legacy FG · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 31, 2008 · N515RB · Substantial damage
  > The pilot's failure to maintain adequate airspeed during approach, which resulted in an aerodynamic stall and subsequent loss of control.
- [NTSB CHI06FA269](https://openairdocs.org/ntsb/CHI06FA269.md): Cessna 182Q · Cumberland, WI · Accident · 1 fatal · Field investigation · Final report · Sep 24, 2006 · N97435 · Substantial damage
  > The pilot's inadvertent attempt to land on water with the wheels down and his failure to verify the gear position prior to landing. Contributing factors were the inoperative gear system due to the open gear selector circuit breaker, which tripped for…
- [NTSB CHI06FA218](https://openairdocs.org/ntsb/CHI06FA218.md): Cirrus Design SR22 · Boyceville, WI · Accident · Serious injuries · Field investigation · Final report · Aug 5, 2006 · N658CD · Substantial damage
  > The pilot's failure to maintain adequate airspeed and the certified flight instructor's delayed remedial action and inadequate supervision of the flight training, which resulted in an inadvertent stall during a base to final turn to the landing runway. An…
- [NTSB CHI04FA255](https://openairdocs.org/ntsb/CHI04FA255.md): Cirrus Design SR-22 · Park Falls, WI · Accident · 1 fatal · Field investigation · Final report · Sep 10, 2004 · N1223S · Destroyed
  > The flightcrew's failure to maintain airspeed which resulted in an inadvertent stall and subsequent impact with water during approach. The low altitude was a factor in the accident.
- [NTSB CHI04FA203](https://openairdocs.org/ntsb/CHI04FA203.md): Knoepflein Lancair Legacy 2000 · Madison, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2004 · N98SN · Destroyed
  > A loss of engine power due to high engine temperatures which resulted in a failure of the number three piston, the pilot's continued operation of the airplane with known high temperature problems, the pilot's poor inflight planning, and the pilot's failure to…

## 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 ('17042'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17042&state=WI

---
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.