AD 76-11-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31P | Airworthiness Directives; Piper Model PA-31P Airplanes |
Unsafe Condition
Possible adverse airplane vibration effects at higher altitudes
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Attach the specified operating limitation placard on the pilot's side window molding and incorporate Piper PA-31P Airplane Flight Manual revision dated January 22, 1976.
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Compliance Time
within the next 25 hours in service after the effective date of this Airworthiness Directive
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Affected Aircraft
Piper Model PA-31P airplanes certificated in all categories
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Federal Register Abstract
Vibration Effects
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_76-11-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-11-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-31P Airplanes Subject: Vibration Effects Status: Current Citation: This information is not available. Citation Publish Date: 05/27/1976 Effective Date: 05/31/1976 Make: Piper Aircraft Inc. Model: PA-31P Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 76-11-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2623 AD NUMBER: 76-11-01 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-31P Airplanes ACTION: SUMMARY: DATES: Effective May 31, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-11-01 PIPER: Amendment 39-2623. Applies to PA-31P airplanes certificated in all categories. To prevent possible adverse airplane vibration effects at higher altitudes, accomplish the following within the next 25 hours in service after the effective date of this Airworthiness Directive, unless already accomplished: (a) Attach the following operating limitation placard on the pilot's side window molding in full view of the pilot: OPERATING SPEEDS ALT Vno Vne 1000 mph mph 13 230 278 15 230 268 17 230 258 19 221 248 21 212 238 23 203 228 25 194 218 27 185 208 29 176 198 (NOTE: Speeds shown are CAS) (b) Incorporate Piper PA-31P Airplane Flight Manual revision dated January 22, 1976 in Piper PA-31P Airplane Flight Manual 1615. (Piper Service Bulletin No. 478 refers to this same subject.) This amendment is effective May 31, 1976. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_76-11-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-11-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-31P Airplanes Subject: Vibration Effects Status: Current Citation: This information is not available. Citation Publish Date: 05/27/1976 Effective Date: 05/31/1976 Make: Piper Aircraft Inc. Model: PA-31P Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 76-11-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2623 AD NUMBER: 76-11-01 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-31P Airplanes ACTION: SUMMARY: DATES: Effective May 31, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-11-01 PIPER: Amendment 39-2623. Applies to PA-31P airplanes certificated in all categories. To prevent possible adverse airplane vibration effects at higher altitudes, accomplish the following within the next 25 hours in service after the effective date of this Airworthiness Directive, unless already accomplished: (a) Attach the following operating limitation placard on the pilot's side window molding in full view of the pilot: OPERATING SPEEDS ALT Vno Vne 1000 mph mph 13 230 278 15 230 268 17 230 258 19 221 248 21 212 238 23 203 228 25 194 218 27 185 208 29 176 198 (NOTE: Speeds shown are CAS) (b) Incorporate Piper PA-31P Airplane Flight Manual revision dated January 22, 1976 in Piper PA-31P Airplane Flight Manual 1615. (Piper Service Bulletin No. 478 refers to this same subject.) This amendment is effective May 31, 1976. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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