AD 74-12-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes |
Unsafe Condition
Operation of the pitch trim at a greater rate when an additional signal in the opposite direction is selected.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the Automatic Flight Control System junction box in accordance with Grumman American Aviation Corporation, Aircraft Service Change 143, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA Southern Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours' time in service after the effective date of this AD, unless already accomplished
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Affected Aircraft
Grumman American Aviation Corporation Model G-1159 airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Automatic Flight Control System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-12-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-12-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes Subject: Automatic Flight Control System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/30/1974 Make: Gulfstream Aerospace Corporation Model: G-1159 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 74-12-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1851 AD NUMBER: 74-12-04 SUBJECT HEADING: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes ACTION: SUMMARY: DATES: Effective May 30, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-12-04 R2 GRUMMAN AMERICAN AVIATION CORPORATION: Amendment 39- 1851 Applies to Grumman G-1159 airplanes certificated in all categories. Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished. To prevent operation of the pitch trim at a greater rate when an additional signal in the opposite direction is selected, modify the Automatic Flight Control System junction box in accordance with Grumman American Aviation Corporation, Aircraft Service Change 143, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA Southern Region. This amendment becomes effective May 30, 1974. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_74-12-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-12-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes Subject: Automatic Flight Control System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/30/1974 Make: Gulfstream Aerospace Corporation Model: G-1159 Product Type: Aircraft Product Subtype: Large 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: 74-12-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1851 AD NUMBER: 74-12-04 SUBJECT HEADING: Airworthiness Directives; GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes ACTION: SUMMARY: DATES: Effective May 30, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-12-04 R2 GRUMMAN AMERICAN AVIATION CORPORATION: Amendment 39- 1851 Applies to Grumman G-1159 airplanes certificated in all categories. Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished. To prevent operation of the pitch trim at a greater rate when an additional signal in the opposite direction is selected, modify the Automatic Flight Control System junction box in accordance with Grumman American Aviation Corporation, Aircraft Service Change 143, or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA Southern Region. This amendment becomes effective May 30, 1974. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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