# NTSB investigations: Beech C23, 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 CEN22LA440](https://openairdocs.org/ntsb/CEN22LA440.md): Beech C23 · Merrill, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2022 · N2240L · Substantial damage
  > The student pilot's failure to maintain adequate roll control during takeoff with a quartering tailwind.
- [NTSB CEN21LA213](https://openairdocs.org/ntsb/CEN21LA213.md): Beech C23 · Merrill, WI · Accident · Minor injuries · Class 3 · Limited · Final report · May 11, 2021 · N793Y · Substantial damage
  > The loss of engine power due to tappet failure.
- [NTSB CHI03LA225](https://openairdocs.org/ntsb/CHI03LA225.md): Beech C23 · Madison, WI · Accident · No injuries · Limited investigation · Final report · Jul 25, 2003 · N9361S · Substantial damage
  > The dual student's delay in executing the aborted takeoff. Also causal was the pilot-in-command's delayed remedial action.
- [NTSB CHI99LA270](https://openairdocs.org/ntsb/CHI99LA270.md): Beech C23 · Port Washington, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1999 · N24670 · Substantial damage
  > the loss of engine power for undetermined reasons.
- [NTSB CHI96LA346](https://openairdocs.org/ntsb/CHI96LA346.md): Beech B23 · Viroqua, WI · Accident · No injuries · Limited investigation · Final report · Sep 22, 1996 · N66338 · Substantial damage
  > the pilot's inadequate aircraft preflight which led to fuel exhaustion. A factor was the rough uneven terrain.
- [NTSB CHI96LA288](https://openairdocs.org/ntsb/CHI96LA288.md): Beech 23 · Wilmot, WI · Accident · No injuries · Limited investigation · Final report · Aug 10, 1996 · N1823Q · Destroyed
  > improper planning/decision by the flight instructor (CFI) by failing to ensure that the airplane would be able to clear brush and trees near the departure end of the runway.
- [NTSB CHI93LA331](https://openairdocs.org/ntsb/CHI93LA331.md): Beech 23 · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Aug 22, 1993 · N9772L · Substantial damage
  > the student pilot's improper recovery from a bounced landing.
- [NTSB CHI78FEP61](https://openairdocs.org/ntsb/CHI78FEP61.md): Beech C23 · Portage, WI · Accident · 2 fatal · Closed · Aug 18, 1978 · N18952 · Destroyed
- [NTSB CHI78FEP06](https://openairdocs.org/ntsb/CHI78FEP06.md): Beech C23 · Milwaukee, WI · Accident · No injuries · Closed · Oct 25, 1977 · N2252L · Substantial damage
- [NTSB CHI74FEP06](https://openairdocs.org/ntsb/CHI74FEP06.md): Beech C23 · Milwaukee, WI · Accident · Minor injuries · Closed · Aug 7, 1973 · N2102W · 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" = '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.aircraft_model_code IN ('1151242'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1151242&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.