AD 90-02-05
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
| aircraft | Gulfstream Aerospace Corporation | G-1159A | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
| aircraft | Gulfstream Aerospace Corporation | G-1159B | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
| aircraft | Gulfstream Aerospace Corporation | G-IV | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
Unsafe Condition
Failure of the takeoff warning system to function properly during takeoff, which could result in an airplane taking off in an unsafe takeoff configuration.
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Required Actions
Perform an operational check of the takeoff warning system within 25 hours time-in-service after the effective date and repeat at intervals not exceeding 150 hours time-in-service. Repair the system prior to further flight if it does not function properly, in accordance with specified Gulfstream service documents.
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Compliance Time
Within 25 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 150 hours time-in-service.
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Affected Aircraft
Gulfstream Aerospace Corporation Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B), and G-IV (Serial Numbers 1000 through 1092) series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Takeoff Warning System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_90-02-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 90-02-05 Document Type: AD Final Rules Docket Number: 89-NM-177-AD Subject Heading: Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV,...Show more Subject: Takeoff Warning System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/13/1990 Make: Gulfstream Aerospace Corporation Model: G-1159 | G-1159A | G-1159B | G-IV 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: 90-02-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 89-NM-177-AD AMENDMENT: 39-6472 AD NUMBER: 90-02-05 SUBJECT HEADING: Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes ACTION: SUMMARY: DATES: Effective February 13, 1990. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 90-02-05 GULFSTREAM: Amendment 39-6472. Docket No. 89-NM-177-AD. Applicability: All Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and certain G-IV, Serial Numbers 1000 through 1092, series airplanes, certificated in any category. Compliance: Required as indicated, unless previously accomplished. To prevent an airplane taking off in an unsafe takeoff configuration, accomplish the following: A. For all Model G-II (G-1159) and G-IIB (G-1159B) series airplanes: Within 25 hours time- in-service after the effective date of this AD, and thereafter at intervals not to exceed 150 hours time-in- service, perform an operational check of the takeoff warning system, and repair, if necessary, in accordance with Gulfstream Aerospace Customer Bulletin Number 388, Amendment 1, dated August 15, 1989. If the system does not function properly, it must be repaired prior to further flight, in accordance with the Customer Bulletin. B. For all Model G-III (G-1159A) series airplanes: Within 25 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 150 hours time-in-service, perform an operational check of the takeoff warning system, in accordance with Gulfstream Customer Bulletin Number 106, dated May 1, 1989. If the system does not function properly, it must be repaired prior to further flight, in accordance with the Customer Bulletin. C. For Model G-IV series airplanes, Serial Numbers 1000 through 1092: Within 25 hours time-in-service after the effective date of this AD, perform an operational check and modification of the takeoff range warning indication switches, in accordance with Gulfstream Aircraft Service Change Number 122, dated May 31, 1989. A functional check must be repeated at intervals not to exceed 150 hours time- in-service. If the system does not function properly, it must be repaired prior to further flight, in accordance with the Service Change. D. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Atlanta Aircraft Certification Office, FAA, Small Airplane Directorate. NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI) or Principal Avionics Inspector (PAI), who will either concur or comment, and then send it to the Manager, Atlanta Aircraft Certification Office. E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Gulfstream Aerospace Corporation, P.O. Box 2206, M/S D-10, Savannah, Georgia 31402-9980. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or at the FAA, Small Airplane Directorate, Atlanta Aircraft Certification Office, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia. This amendment (39-6472, AD 90-02-05) becomes effective on February 13, 1990. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_90-02-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 90-02-05 Document Type: AD Final Rules Docket Number: 89-NM-177-AD Subject Heading: Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV,...Show more Subject: Takeoff Warning System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/13/1990 Make: Gulfstream Aerospace Corporation Model: G-1159 | G-1159A | G-1159B | G-IV 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: 90-02-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 89-NM-177-AD AMENDMENT: 39-6472 AD NUMBER: 90-02-05 SUBJECT HEADING: Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes ACTION: SUMMARY: DATES: Effective February 13, 1990. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 90-02-05 GULFSTREAM: Amendment 39-6472. Docket No. 89-NM-177-AD. Applicability: All Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and certain G-IV, Serial Numbers 1000 through 1092, series airplanes, certificated in any category. Compliance: Required as indicated, unless previously accomplished. To prevent an airplane taking off in an unsafe takeoff configuration, accomplish the following: A. For all Model G-II (G-1159) and G-IIB (G-1159B) series airplanes: Within 25 hours time- in-service after the effective date of this AD, and thereafter at intervals not to exceed 150 hours time-in- service, perform an operational check of the takeoff warning system, and repair, if necessary, in accordance with Gulfstream Aerospace Customer Bulletin Number 388, Amendment 1, dated August 15, 1989. If the system does not function properly, it must be repaired prior to further flight, in accordance with the Customer Bulletin. B. For all Model G-III (G-1159A) series airplanes: Within 25 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 150 hours time-in-service, perform an operational check of the takeoff warning system, in accordance with Gulfstream Customer Bulletin Number 106, dated May 1, 1989. If the system does not function properly, it must be repaired prior to further flight, in accordance with the Customer Bulletin. C. For Model G-IV series airplanes, Serial Numbers 1000 through 1092: Within 25 hours time-in-service after the effective date of this AD, perform an operational check and modification of the takeoff range warning indication switches, in accordance with Gulfstream Aircraft Service Change Number 122, dated May 31, 1989. A functional check must be repeated at intervals not to exceed 150 hours time- in-service. If the system does not function properly, it must be repaired prior to further flight, in accordance with the Service Change. D. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Atlanta Aircraft Certification Office, FAA, Small Airplane Directorate. NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI) or Principal Avionics Inspector (PAI), who will either concur or comment, and then send it to the Manager, Atlanta Aircraft Certification Office. E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Gulfstream Aerospace Corporation, P.O. Box 2206, M/S D-10, Savannah, Georgia 31402-9980. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or at the FAA, Small Airplane Directorate, Atlanta Aircraft Certification Office, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia. This amendment (39-6472, AD 90-02-05) becomes effective on February 13, 1990. FOOTER:
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Retrieved: Apr 8, 2026
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