AD 93-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | H.P. 137 Jetstream Mk. 1 | Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream 3201 | Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 200 | Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 3101 | Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes |
Unsafe Condition
Tailplane de-icing system failure, including false indication of system operation, and subsequent loss of pitch control, which could result in loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the tailplane de-icing system for contamination within 25 hours time-in-service after the effective date, and every 150 hours TIS until modification is done. Modify the system, replace and relocate the tail unit pressure switch within 400 hours TIS after the effective date. Drain accumulated water before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 150 hours TIS until the modification required by paragraph (b) is accomplished. Within the next 400 hours TIS after the effective date for modification.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Regional Aircraft HP 137 Mk1, Jetstream Models 200, 3101, and 3201 (serial numbers 1 through 969 and 971).
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Tailplane De-Icing System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_93-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 93-01-02 Document Type: AD Final Rules Docket Number: 92-CE-56-AD Subject Heading: Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes Subject: Tailplane De-Icing System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/22/1993 Make: British Aerospace Regional Aircraft Model: H.P. 137 Jetstream Mk. 1 | Jetstream 3201 | Jetstream Series 200 | Jetstream Series 3101 Product Type: Aircraft Product Subtype: Small/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: 93-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 92-CE-56-AD AMENDMENT: 39-8455 AD NUMBER: 93-01-02 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes ACTION: SUMMARY: DATES: Effective January 22, 1993. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 93-01-02 BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED: Amendment 39-8455. Docket No. 92-CE-56-AD. Applicability: HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes (serial numbers 1 through 969 and 971), certificated in any category. Compliance: Required as indicated, unless already accomplished. To prevent tailplane de-icing system failure, including false indication of system operation, and subsequent loss of pitch control, which could result in loss of control of the airplane, accomplish the following: (a) Within the next 25 hours time-in-service (TIS) after the effective date of this AD, and thereafter at intervals not to exceed 150 hours TIS until the modification required by paragraph (b) of this AD is accomplished, inspect the tailplane de-icing system for contamination in accordance with Part I of the ACCOMPLISHMENT INSTRUCTIONS section of British Aerospace (BAe), Regional Aircraft Limited, Jetstream Alert Service Bulletin (ASB) 30-A- JA 920444, dated October 30, 1992. Prior to further flight, drain any accumulated water. (b) Within the next 400 hours TIS after the effective date of this AD, modify the tailplane de-icing system and replace and relocate the tail unit pressure switch in accordance with Part 2 or Part 3, as applicable, of the ACCOMPLISHMENT INSTRUCTIONS section of BAe, Regional Aircraft Limited, Jetstream ASB 30-A-JA 920444, dated October 30, 1992. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (d) An alternative method of compliance or adjustment of the initial or repetitive compliance times that provides an equivalent level of safety may be approved by the Manager, Brussels Aircraft Certification Office, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, B-1000 Brussels, Belgium. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office. NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Brussels Aircraft Certification Office. (e) The inspections, modification, replacement, and relocation required by this AD shall be done in accordance with British Aerospace, Regional Aircraft Limited, Jetstream Alert Service Bulletin 30-A-JA 920444, dated October 30, 1992. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. Section 552(a) and 1 CFR Part 51. Copies may be obtained from British Aerospace, Regional Aircraft Limited, Manager Product Support, Commercial Aircraft Airlines Division, Prestwick Airport, Ayrshire, KA9 2RW Scotland; or British Aerospace, Inc., Librarian, Box 17414, Dulles International Airport, Washington, DC, 20041. Copies may be inspected at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (f) This amendment becomes effective on January 22, 1993. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_93-01-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 93-01-02 Document Type: AD Final Rules Docket Number: 92-CE-56-AD Subject Heading: Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes Subject: Tailplane De-Icing System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/22/1993 Make: British Aerospace Regional Aircraft Model: H.P. 137 Jetstream Mk. 1 | Jetstream 3201 | Jetstream Series 200 | Jetstream Series 3101 Product Type: Aircraft Product Subtype: Small/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: 93-01-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 92-CE-56-AD AMENDMENT: 39-8455 AD NUMBER: 93-01-02 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes ACTION: SUMMARY: DATES: Effective January 22, 1993. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 93-01-02 BRITISH AEROSPACE, REGIONAL AIRCRAFT LIMITED: Amendment 39-8455. Docket No. 92-CE-56-AD. Applicability: HP 137 Mk1, Jetstream Models 200, 3101, and 3201 Airplanes (serial numbers 1 through 969 and 971), certificated in any category. Compliance: Required as indicated, unless already accomplished. To prevent tailplane de-icing system failure, including false indication of system operation, and subsequent loss of pitch control, which could result in loss of control of the airplane, accomplish the following: (a) Within the next 25 hours time-in-service (TIS) after the effective date of this AD, and thereafter at intervals not to exceed 150 hours TIS until the modification required by paragraph (b) of this AD is accomplished, inspect the tailplane de-icing system for contamination in accordance with Part I of the ACCOMPLISHMENT INSTRUCTIONS section of British Aerospace (BAe), Regional Aircraft Limited, Jetstream Alert Service Bulletin (ASB) 30-A- JA 920444, dated October 30, 1992. Prior to further flight, drain any accumulated water. (b) Within the next 400 hours TIS after the effective date of this AD, modify the tailplane de-icing system and replace and relocate the tail unit pressure switch in accordance with Part 2 or Part 3, as applicable, of the ACCOMPLISHMENT INSTRUCTIONS section of BAe, Regional Aircraft Limited, Jetstream ASB 30-A-JA 920444, dated October 30, 1992. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (d) An alternative method of compliance or adjustment of the initial or repetitive compliance times that provides an equivalent level of safety may be approved by the Manager, Brussels Aircraft Certification Office, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, B-1000 Brussels, Belgium. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office. NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Brussels Aircraft Certification Office. (e) The inspections, modification, replacement, and relocation required by this AD shall be done in accordance with British Aerospace, Regional Aircraft Limited, Jetstream Alert Service Bulletin 30-A-JA 920444, dated October 30, 1992. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. Section 552(a) and 1 CFR Part 51. Copies may be obtained from British Aerospace, Regional Aircraft Limited, Manager Product Support, Commercial Aircraft Airlines Division, Prestwick Airport, Ayrshire, KA9 2RW Scotland; or British Aerospace, Inc., Librarian, Box 17414, Dulles International Airport, Washington, DC, 20041. Copies may be inspected at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (f) This amendment becomes effective on January 22, 1993. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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