AD 73-13-07
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | True Flight Holdings LLC | AA-1 | Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B Airplanes |
| aircraft | True Flight Holdings LLC | AA-1A | Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B Airplanes |
| aircraft | True Flight Holdings LLC | AA-1B | Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B Airplanes |
Unsafe Condition
The absence of placards indicating prohibited spins and information to prevent accidental spin entry could lead to unintended spin conditions and loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install new placards as specified by Grumman American Aviation Corporation Service Bulletin No. 138 or an approved alternate procedure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 10 hours time in service or 30 calendar days, whichever comes first, after the effective date of this airworthiness directive
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B airplanes through Serial Numbers AA-1B-0177
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Placard Installation
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_73-13-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 73-13-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model ...Show more Subject: Placard Installation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/25/1973 Make: True Flight Holdings LLC Model: AA-1 | AA-1A | AA-1B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 73-13-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1669 AD NUMBER: 73-13-07 SUBJECT HEADING: Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B Airplanes ACTION: SUMMARY: DATES: Effective June 25, 1973. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 73-13-07 GRUMMAN AMERICAN AVIATION CORPORATION: Amdt. 39-1669. Applies to all Model AA-1, Model AA-1A, and Model AA-1B airplanes through Serial Numbers AA-1B-0177 certificated in all categories. Compliance required within the next 10 hours time in service or 30 calendar days, whichever comes first, after the effective date of this airworthiness directive. To clearly indicate to the pilot that spins are prohibited in this make and model airplane, and to provide information to assist in preventing conditions that might lead to accidental spin entry, install the new placards as provided by Grumman American Aviation Corporation Service Bulletin No. 138 or by a suitable alternate procedure as approved by the Chief, Engineering and Manufacturing Branch, Great Lakes Region. This Amendment becomes effective June 25, 1973. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_73-13-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 73-13-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model ...Show more Subject: Placard Installation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/25/1973 Make: True Flight Holdings LLC Model: AA-1 | AA-1A | AA-1B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 73-13-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1669 AD NUMBER: 73-13-07 SUBJECT HEADING: Airworthiness Directives; Grumman American Aviation Corporation Model AA-1, Model AA-1A, and Model AA-1B Airplanes ACTION: SUMMARY: DATES: Effective June 25, 1973. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 73-13-07 GRUMMAN AMERICAN AVIATION CORPORATION: Amdt. 39-1669. Applies to all Model AA-1, Model AA-1A, and Model AA-1B airplanes through Serial Numbers AA-1B-0177 certificated in all categories. Compliance required within the next 10 hours time in service or 30 calendar days, whichever comes first, after the effective date of this airworthiness directive. To clearly indicate to the pilot that spins are prohibited in this make and model airplane, and to provide information to assist in preventing conditions that might lead to accidental spin entry, install the new placards as provided by Grumman American Aviation Corporation Service Bulletin No. 138 or by a suitable alternate procedure as approved by the Chief, Engineering and Manufacturing Branch, Great Lakes Region. This Amendment becomes effective June 25, 1973. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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