# NTSB investigations: Piper PA-18-150, IL

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 CEN25LA322](https://openairdocs.org/ntsb/CEN25LA322.md): Piper PA-18-150 · Joliet, IL · Accident · No injuries · Class 3 · Limited · Final report · Aug 14, 2025 · N476SM · Substantial damage
  > The failure of the No. 2 cylinder exhaust valve, which resulted in a total loss of engine power.
- [NTSB GAA19CA298](https://openairdocs.org/ntsb/GAA19CA298.md): Piper PA18 · Sparta, IL · Accident · No injuries · Data collection · Final report · May 31, 2019 · N530AK · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.
- [NTSB CHI99LA308](https://openairdocs.org/ntsb/CHI99LA308.md): Piper PA-18-150 · Granite City, IL · Accident · No injuries · Limited investigation · Final report · Aug 21, 1999 · N90904 · Substantial damage
  > Loss of power for undetermined reason(s) and the rough/uneven.
- [NTSB CHI76DCA02](https://openairdocs.org/ntsb/CHI76DCA02.md): Piper PA-18 · Highland, IL · Accident · No injuries · Closed · Oct 9, 1975 · N4489Z · Substantial damage
- [NTSB CHI74DEE56](https://openairdocs.org/ntsb/CHI74DEE56.md): Piper PA-18 · Joliet, IL · Accident · No injuries · Closed · Feb 28, 1974 · N7690D · 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" = 'IL' 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=IL

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