# NTSB investigations: Piper PA-24-250, 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 CEN26LA025](https://openairdocs.org/ntsb/CEN26LA025.md): Piper PA-24-250 · Eau Claire, WI · Accident · No injuries · Class 4 · Limited · Final report · Oct 19, 2025 · N5865P · Substantial damage
  > The pilot’s failure to ensure that the landing gear was properly extended before landing. Contributing to the accident was the pilot’s unfamiliarity with the landing gear warning horn and failure to verify the gear was extended with the cockpit position…
- [NTSB CEN19LA071](https://openairdocs.org/ntsb/CEN19LA071.md): Piper PA24 · Beechwood, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 18, 2019 · N6497P · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CHI97LA244](https://openairdocs.org/ntsb/CHI97LA244.md): Piper PA-24-250 · Fond Du Lac, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1997 · N720MB · Substantial damage
  > the pilot's improper use of the throttle control friction lock, and his inadequate remedial action. Related factors were his lack of experience in type of aircraft, the pilot's habit interference, and the presence of parked (standing) aircraft.
- [NTSB CHI95LA236](https://openairdocs.org/ntsb/CHI95LA236.md): Piper PA-24-250 · Watertown, WI · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 1995 · N999JS · Destroyed
  > fuel exhaustion resulting from the improper fuel bladder installation by maintenance personnel. Factors associated with this accident were the collapsed fuel bladder that eliminated about 30 percent of the available fuel in the left tank that the pilot had…
- [NTSB CHI89LA087](https://openairdocs.org/ntsb/CHI89LA087.md): Piper PA-24-250 · Waunakee, WI · Accident · No injuries · Limited investigation · Final report · May 14, 1989 · N7465P · Substantial damage
  > Slippage of a bearing, which resulted in blockage of the lubrication system, and subsequent failure of a connecting rod.
- [NTSB CHI86FA194](https://openairdocs.org/ntsb/CHI86FA194.md): Piper PA-24-250 · Oshkosh, WI · Accident · Serious injuries · Field investigation · Final report · Aug 2, 1986 · N5713P · Substantial damage
  > The aircraft ran out of fuel after 3+41 hours of flight. The pilot stated that he was sure the tanks were full on takeoff. Flight planning and a documented conservative fuel burn rate indicated that the aircraft should have been able to remain airborne for at…
- [NTSB CHI79DEP17](https://openairdocs.org/ntsb/CHI79DEP17.md): Piper PA-24 · Eau Claire, WI · Accident · No injuries · Closed · Dec 28, 1978 · N6175P · Substantial damage
- [NTSB CHI78FEP05](https://openairdocs.org/ntsb/CHI78FEP05.md): Piper PA-24 · Green Bay, WI · Accident · No injuries · Closed · Oct 19, 1977 · N5837P · Substantial damage
- [NTSB CHI75DEP72](https://openairdocs.org/ntsb/CHI75DEP72.md): Piper PA-24 · Sturgeon Bay, WI · Accident · No injuries · Closed · Jun 20, 1975 · N5837P · Substantial damage
- [NTSB CHI74FEP50](https://openairdocs.org/ntsb/CHI74FEP50.md): Piper PA-24 · Madison, WI · Accident · Minor injuries · Closed · Jun 22, 1974 · N6847P · Substantial damage
- [NTSB CHI73FEP73](https://openairdocs.org/ntsb/CHI73FEP73.md): Piper PA-24 · Burlington, WI · Accident · No injuries · Closed · Oct 4, 1972 · N6459P · Substantial damage
- [NTSB CHI70F0333](https://openairdocs.org/ntsb/CHI70F0333.md): Piper PA-24 · Sextonville, WI · Accident · Minor injuries · Closed · Aug 30, 1969 · N7797P · Substantial damage
- [NTSB CHI70D0107](https://openairdocs.org/ntsb/CHI70D0107.md): Piper PA-24 · Wind Lake, WI · Accident · No injuries · Closed · Jul 7, 1969 · N5742P · Substantial damage
- [NTSB CHI70D0035](https://openairdocs.org/ntsb/CHI70D0035.md): Piper PA-24 · Three Lakes, WI · Accident · No injuries · Closed · May 16, 1969 · N7061P · Substantial damage
- [NTSB CHI69F0496](https://openairdocs.org/ntsb/CHI69F0496.md): Piper PA-24 · Eau Claire, WI · Accident · No injuries · Closed · Feb 26, 1969 · N6860P · Substantial damage
- [NTSB CHI69D0025](https://openairdocs.org/ntsb/CHI69D0025.md): Piper PA-24 · Merrill, WI · Accident · No injuries · Closed · Jun 11, 1968 · N7061P · Substantial damage
- [NTSB CHI68F0618](https://openairdocs.org/ntsb/CHI68F0618.md): Piper PA-24 · West Bend, WI · Accident · No injuries · Closed · Feb 13, 1968 · N7523P · Substantial damage
- [NTSB CHI68F0594](https://openairdocs.org/ntsb/CHI68F0594.md): Piper PA-24 · West Bend, WI · Accident · No injuries · Closed · Jan 18, 1968 · N8042P · Substantial damage
- [NTSB CHI68A0021](https://openairdocs.org/ntsb/CHI68A0021.md): Piper PA-24 · Viroqua, WI · Accident · 3 fatal · Closed · Aug 26, 1967 · N6834P · Destroyed
- [NTSB CHI67D0598](https://openairdocs.org/ntsb/CHI67D0598.md): Piper PA-24 · Eagle River, WI · Accident · No injuries · Closed · Mar 4, 1967 · N5289P · Substantial damage
- [NTSB CHI67F0472](https://openairdocs.org/ntsb/CHI67F0472.md): Piper PA-24 · Eau Claire, WI · Accident · No injuries · Closed · Feb 7, 1967 · N6538P · Substantial damage
- [NTSB CHI67D0592](https://openairdocs.org/ntsb/CHI67D0592.md): Piper PA-24 · Milwaukee, WI · Accident · No injuries · Closed · Feb 6, 1967 · N7782P · Substantial damage
- [NTSB CHI67D0285](https://openairdocs.org/ntsb/CHI67D0285.md): Piper PA-24 · Sheboygan Fls, WI · Accident · No injuries · Closed · Oct 3, 1966 · N8337P · Substantial damage
- [NTSB CHI67F0030](https://openairdocs.org/ntsb/CHI67F0030-201482.md): Piper PA24 · Delavan, WI · Accident · No injuries · Closed · Jun 27, 1966 · N8217P · Substantial damage
- [NTSB CHI66F0467](https://openairdocs.org/ntsb/CHI66F0467-174328.md): Piper PA-24 · Eau Claire, WI · Accident · No injuries · Closed · Nov 13, 1965 · N5352P · Substantial damage
- [NTSB CHI66D0493](https://openairdocs.org/ntsb/CHI66D0493.md): Piper PA-24 · Crivitz, WI · Accident · No injuries · Closed · Aug 20, 1965 · N5630P · Substantial damage
- [NTSB UNK65X0195](https://openairdocs.org/ntsb/UNK65X0195.md): Piper PA24 · Ladysmith, WI · Accident · No injuries · Closed · Oct 8, 1964 · N7785P · Substantial damage
- [NTSB UNK64X2946](https://openairdocs.org/ntsb/UNK64X2946.md): Piper PA24 · Eagle River, WI · Accident · No injuries · Closed · Jul 20, 1964 · N5352P · 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 ('7102404'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102404&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.