- Models
- BT-13, BT-13A (Army SNV-1), BT-13B (Navy SNV-2)
- Data sheet
- TCDSA-2-571
- Registered aircraft
- 98 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 | 18 KB | 4d26dbe1…fe3844b | FAA DRS (API key needed) |
On this page
The airworthiness directive
46-06-04 CONVAIR: (Was Service Note 3 of AD-2-571-2.) Applies Only to BT-13 Series Airplanes Equipped With a Propeller Spinner.
Inspect the propeller spinner attaching lugs after each 25 hours of operation for cracks or signs of impending failure. If cracks are found, the lugs should be reinforced or the spinner should be removed entirely.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 98
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1941 | 23 |
|---|---|
| 1942 | 23 |
| 1943 | 9 |
| 1944 | 4 |
| 1945 | 3 |
| 1946 | 5 |
| 1947 | 1 |
| 1953 | 1 |
| 1980 | 1 |
28 with no year recorded