- Model
- PA-12
- Data sheet
- TCDSA-780
- Registered aircraft
- 1,242 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 |
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| FAA DRS HTML | 20 KB | 1ad06d47…66d974b | FAA DRS (API key needed) |
On this page
The airworthiness directive
47-47-04 PIPER: (Was Mandatory Note 8 of AD-780-3.) Applies to PA-12 Aircraft Serial Numbers 12-1 to 12-1989 Inclusive, 12-1991 to 12-1993 Inclusive, 12-1997, 12-1999, 12- 2001 to 12-3443 Inclusive, 12-3461 to 12-3465 Inclusive, 12-3481, 12-3535 to 12-3542 Inclusive, 12-3553, 12-3901, 12-3903 to 12-3934 Inclusive, 12-3936, 12-3940, 12-3941, 12-3943 to 12-3954 Inclusive, 12-3961, 12-3964 to 12-3970 Inclusive, 12-3988.
Compliance required prior to February 1, 1948.
To prevent possible malfunctioning of the starter solenoid and damage to the starter cable installation, the following changes shall be accomplished as soon as practicable:
1. The starter solenoid, P/N 1456 shall be replaced by the solenoid, P/N 1453, or P/N 1464.
2. To eliminate the possibility of pinching by the landing gear, the starter cable installation, running from the starter solenoid forward under the fuselage to the engine, shall be rerouted in accordance with Piper Drawing SK-206.
(Piper Service Bulletin No. 102 dated October 6, 1947, covers this same subject.)
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1,242
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1945 | 1 |
|---|---|
| 1946 | 415 |
| 1947 | 569 |
| 1948 | 2 |
| 1949 | 1 |
| 1952 | 1 |
| 1954 | 2 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 1 |
| 1962 | 1 |
243 with no year recorded