# NTSB investigations: Piper PA-18A 150, 1990

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 LAX90LA323](https://openairdocs.org/ntsb/LAX90LA323.md): Piper PA-18A-150 · Montague, CA · Accident · No injuries · Limited investigation · Final report · Sep 17, 1990 · N2894P · Substantial damage
  > The pilot's failure to maintain directional control during landing rollout. A contributing factor was the student pilot's lack of experience performing landings.
- [NTSB SEA90LA170](https://openairdocs.org/ntsb/SEA90LA170.md): Piper PA-18A-150 · North Plains, OR · Accident · No injuries · Limited investigation · Final report · Aug 26, 1990 · N965CD · Substantial damage
  > The pilot's failue to maintain adequate clearance from an object near the runway.
- [NTSB MKC90LA113](https://openairdocs.org/ntsb/MKC90LA113.md): Piper PA-18A · Creve Coeur, MO · Accident · No injuries · Limited investigation · Final report · May 20, 1990 · N9071D · Substantial damage
  > Fuel contamination and inadequate preflight.
- [NTSB ANC90LA059](https://openairdocs.org/ntsb/ANC90LA059.md): Piper PA-18 · Cordova, AK · Accident · No injuries · Limited investigation · Final report · Apr 15, 1990 · N6MX · Substantial damage
  > The pilot's improper planning/decision, which resulted in a nose-over of the aircraft when it encountered a wave from a boat during the takeoff run.

## 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") = 1990
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7101837'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101837&year=1990

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