AD 70-17-01
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 Airplanes |
Unsafe Condition
Overheating of the heating elements fitted to the S8 and S9 right-hand and left-hand static vent plates located at Station 66
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Deactivate the static plate heaters in accordance with Service Bulletin No. 30-PM4306 or modify the pitot/static plate heater circuit to provide a separate power supply for each circuit as per Service Bulletin No. 4306.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 200 hours' time in service after the effective date of this AD
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Affected Aircraft
British Aircraft Corporation Model BAC 1-11 Series 401 Type AK airplanes
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Federal Register Abstract
Static Plate Heaters
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_70-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 Airplanes Subject: Static Plate Heaters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/05/1970 Make: Airbus SAS Model: BAC 1-11 400 Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 70-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1061 AD NUMBER: 70-17-01 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 Airplanes ACTION: SUMMARY: DATES: Effective September 5, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-17-01 BRITISH AIRCRAFT CORPORATION: Amdt. 39-1061. Applies to Model BAC 1-11 Series 401 Type AK airplanes. To prevent overheating of the heating elements fitted to the S8 and S9 right-hand and left-hand static vent plates located at Station 66, within the next 200 hours' time in service after the effective date of this AD, unless already accomplished, accomplish one of the following: (a) Deactivate the static plate heaters in accordance with Part (B) of British Aircraft Corporation Model BAC 1-11 Service Bulletin No. 30-PM4306 dated November 28, 1969, or a later ARB-approved issue or an FAA-approved equivalent; or (b) Modify the pitot/static plate heater circuit to provide a separate power supply for each circuit in accordance with Part (A) of British Aircraft Corporation Model BAC 1-11 Service Bulletin No. 4306 dated November 28, 1969, or a later ARB-approved issue or an FAA-approved equivalent. This amendment becomes effective September 5, 1970. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_70-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 Airplanes Subject: Static Plate Heaters Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/05/1970 Make: Airbus SAS Model: BAC 1-11 400 Series 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: 70-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1061 AD NUMBER: 70-17-01 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 Airplanes ACTION: SUMMARY: DATES: Effective September 5, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-17-01 BRITISH AIRCRAFT CORPORATION: Amdt. 39-1061. Applies to Model BAC 1-11 Series 401 Type AK airplanes. To prevent overheating of the heating elements fitted to the S8 and S9 right-hand and left-hand static vent plates located at Station 66, within the next 200 hours' time in service after the effective date of this AD, unless already accomplished, accomplish one of the following: (a) Deactivate the static plate heaters in accordance with Part (B) of British Aircraft Corporation Model BAC 1-11 Service Bulletin No. 30-PM4306 dated November 28, 1969, or a later ARB-approved issue or an FAA-approved equivalent; or (b) Modify the pitot/static plate heater circuit to provide a separate power supply for each circuit in accordance with Part (A) of British Aircraft Corporation Model BAC 1-11 Service Bulletin No. 4306 dated November 28, 1969, or a later ARB-approved issue or an FAA-approved equivalent. This amendment becomes effective September 5, 1970. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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