# NTSB investigations: Piper PA-18-150, 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 CEN15CA071](https://openairdocs.org/ntsb/CEN15CA071.md): Piper PA 18-150 · Minocqua, WI · Accident · Minor injuries · Data collection · Final report · Dec 7, 2014 · N41594 · Substantial damage
  > The pilot did not maintain directional control of the airplane during the landing flare when a sudden wind shift occurred.
- [NTSB CEN10CA038](https://openairdocs.org/ntsb/CEN10CA038.md): Piper PA-18-150 · Three Lakes, WI · Accident · No injuries · Data collection · Final report · Nov 1, 2009 · N4070Z · Substantial damage
  > The pilot's improper flare and touchdown during the water landing.
- [NTSB CHI06CA228](https://openairdocs.org/ntsb/CHI06CA228.md): Piper PA-18 · Waukesha, WI · Accident · No injuries · Data collection · Final report · Aug 7, 2006 · N2396J · Substantial damage
  > The pilot's inadequate compensation for the crosswind and failure to maintain directional control which resulted in a groundloop. Factors included the closed runway and the crosswind condition.
- [NTSB CHI98LA320](https://openairdocs.org/ntsb/CHI98LA320.md): Piper PA-18-150 · Lac Du Flambeau, WI · Accident · No injuries · Limited investigation · Final report · Aug 9, 1998 · N9044D · Substantial damage
  > the pilot's failure to maintain adequate airspeed and the subsequent inadvertant stall.
- [NTSB CHI76AC085](https://openairdocs.org/ntsb/CHI76AC085.md): Piper PA-18 · Tomahawk, WI · Accident · 1 fatal · Closed · Aug 9, 1976 · N3697Z · Destroyed
- [NTSB CHI76FER02](https://openairdocs.org/ntsb/CHI76FER02.md): Piper PA-18 · Cumberland, WI · Accident · No injuries · Closed · Jul 28, 1975 · N5404Y · Substantial damage
- [NTSB CHI73FEP60](https://openairdocs.org/ntsb/CHI73FEP60.md): Piper PA-24 · Madison, WI · Accident · Serious injuries · Closed · May 24, 1973 · N7068D · Substantial damage
- [NTSB CHI71FEP53](https://openairdocs.org/ntsb/CHI71FEP53.md): Piper PA-18 · Ripon, WI · Accident · 1 fatal · Closed · Jun 13, 1971 · N2366P · Destroyed
- [NTSB CHI70F0097](https://openairdocs.org/ntsb/CHI70F0097.md): Piper PA-18 · Berlin, WI · Accident · 1 fatal · Closed · Jun 21, 1969 · N4308Z · Destroyed
- [NTSB UNK64X2005](https://openairdocs.org/ntsb/UNK64X2005.md): Piper PA18 · Sturtevant, WI · Accident · Minor injuries · Closed · May 29, 1964 · N7077D · 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 ('7101828', '7104221', '7102835'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101828&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.