# NTSB investigations: Lycoming 0-320 series, 2004, 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 CHI05CA006](https://openairdocs.org/ntsb/CHI05CA006.md): Piper PA-28-160 · Altoona, WI · Accident · No injuries · Data collection · Final report · Oct 18, 2004 · N5520W · Substantial damage
  > The pilot's inadequate fuel management leading to the fuel starvation in the left tank during the flight's descent. A factor was the impacted power line.
- [NTSB CHI04LA253](https://openairdocs.org/ntsb/CHI04LA253.md): Williams Glastar GS-1 · Hayward, WI · Accident · Serious injuries · Limited investigation · Final report · Sep 10, 2004 · N501YR · Substantial damage
  > The pilot's failure to adequately compensate for the wind conditions which resulted in a loss of aircraft control. A factor associated with the accident was the gusty wind condition.
- [NTSB CHI04FA223](https://openairdocs.org/ntsb/CHI04FA223.md): Cessna 172L · Webster, WI · Accident · 1 fatal · Field investigation · Final report · Aug 12, 2004 · N3599F · Destroyed
  > The high velocity impact with terrain for undetermined reasons.
- [NTSB CHI04CA211](https://openairdocs.org/ntsb/CHI04CA211.md): Stamsta Wittman Tailwind W10 · Waunakee, WI · Accident · No injuries · Data collection · Final report · Aug 1, 2004 · N917WT · Substantial damage
  > The pilot's failure to maintain proper airspeed during final approach, which resulted in the inadvertent stall/mush at a low altitude and subsequent hard landing. A factor to the accident was the pilot's unsuccessful remedial action to the encountered…
- [NTSB CHI04CA168](https://openairdocs.org/ntsb/CHI04CA168.md): Peck Vans RV-4 · Palmyra, WI · Accident · No injuries · Data collection · Final report · Jun 30, 2004 · N43MP · Substantial damage
  > The pilot's failure to maintain proper airspeed resulting in the inadvertent stall during the go-around. The overload failure of the left main landing gear was a contributing factor.
- [NTSB CHI04CA136](https://openairdocs.org/ntsb/CHI04CA136.md): Cessna 172P · Milwaukee, WI · Accident · No injuries · Data collection · Final report · Jun 4, 2004 · N50923 · Substantial damage
  > The CFI failed to maintain adequate airspeed during the go-around which resulted in an inadvertent stall.
- [NTSB CHI04LA104](https://openairdocs.org/ntsb/CHI04LA104.md): Cessna 172M · New Munster, WI · Accident · No injuries · Limited investigation · Final report · Apr 10, 2004 · N73213 · 2 aircraft · Substantial damage
  > Visual lookout not maintained by the pilots of both airplanes.

## 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 year(c."eventDate") = 2004
  AND 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 ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41508&state=WI&year=2004

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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.