AD 60-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pacific Propeller, Inc. | A6441FN-606 | AERO PRODUCTS A6441FN-606 Propeller |
| propeller | Pacific Propeller, Inc. | A6441FN-606 | AERO PRODUCTS A6441FN-606 Propeller |
Unsafe Condition
Thrust member thickness not meeting prescribed standards may lead to propeller roughness and/or failures.
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Required Actions
Determine thrust member thickness per Allison Propeller Bulletin 63-127 by November 1, 1960. Remove blades not meeting thickness standards from service prior to further flight. Classify blades aerodynamically per Allison Propeller Bulletin 63-125 concurrently.
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Compliance Time
Not later than November 1, 1960
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Affected Aircraft
Pacific Propeller, Inc. A6441FN-606 Propeller installed on Lockheed 188 Series Aircraft
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Federal Register Abstract
Blades
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_60-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 60-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: AERO PRODUCTS A6441FN-606 Propeller Subject: Blades Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Pacific Propeller, Inc. Model: A6441FN-606 Product Type: Propeller Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 60-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 60-17-01 SUBJECT HEADING: AERO PRODUCTS A6441FN-606 Propeller ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 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.) FOOTER:
Document Text
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AD Final Rules - DRS_60-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 60-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: AERO PRODUCTS A6441FN-606 Propeller Subject: Blades Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Pacific Propeller, Inc. Model: A6441FN-606 Product Type: Propeller Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 60-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 60-17-01 SUBJECT HEADING: AERO PRODUCTS A6441FN-606 Propeller ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 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.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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