- Model
- Navion B
- Data sheet
- TCDSA-782
- Registered aircraft
- 113 matched by model
- Product
- Aircraft · Small airplane
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 19 KB | de672252…72a58b0 | FAA DRS (API key needed) |
On this page
The airworthiness directive
52-08-02 NAVION: Applies to All Model B Aircraft and Cancels AD 51-19-03 Upon Compliance.
Compliance required not later than June 15, 1952.
Due to reports of engine malfunction caused by collapse of flexible ducts in the air induction system, it is necessary to replace the section P/N 146-42207 ducting between the carburetor air filter assembly and the carburetor air mix box with wire reinforced ducting, or its equivalent.
(Ryan Field Service Bulletin No. 16, dated February 12, 1952, covers this same subject.)
This supersedes AD 51-19-03.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 113
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1946 | 1 |
|---|---|
| 1947 | 2 |
| 1950 | 46 |
| 1951 | 31 |
| 1952 | 1 |
32 with no year recorded