# Airworthiness directives, 1948

FAA airworthiness directives effective in 1948: 1 ADs with their full text, status and the aircraft they apply to.

- [AD 48-38-01](https://openairdocs.org/ad/48-38-01.md): Oil Cooler Installation · Rogers, Burl A. 15AC and S15AC · Effective Dec 1, 1948

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.ad_number, d.status, d.subject, d.makes, d.models, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE year(coalesce(d.effective_date, d.publication_date, d.issue_date)) = 1948
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC
```

This list as a web page: https://openairdocs.org/ad?year=1948

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