- Model
- A6441FN-606
- Data sheet
- TCDSP-898
- Product
- Propeller
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 | 20 KB | fd8e286f…c8cc8aa | FAA DRS (API key needed) |
On this page
The airworthiness directive
60-17-01 AERO PRODUCTS: Amdt. 193 Part 507 Federal Register August 19, 1960. Applies to A6441FN-606 Propeller Installed On Lockheed 188 Series Aircraft.
Compliance required as indicated.
As a result of investigations, it has been determined that the following must be accomplished to minimize the possible occurrence of propeller roughness and/or failures:
Not later than November 1, 1960, the thrust member thickness must be determined per Allison Propeller Bulletin 63-127. All blades that do not meet thrust member thickness as prescribed in Allison Propeller Bulletin 63-127 must be removed from service prior to further flight. Concurrently with this inspection all blades shall be classified aerodynamically per Allison Propeller Bulletin 63-125. (Allison telegram to all operators dated May 19, 1960, and Allison Propeller Bulletins Nos. 63-125 and 63-127 cover this same subject.)
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.