AD 78-12-11
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | HS.125 Series 700A | Airworthiness Directives; BRITISH AEROSPACE, INC. Model HS-125 Series 700A Airplanes |
Unsafe Condition
Electrical overload and possible fire due to existing Minyvin 20 beacon light cable and associated marker sleeves and terminal lugs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace Minyvin 20 beacon light cable with Minyvin 16 or MIL-W-5086 Series 2 cable, along with B25Y marker sleeves and 36151 terminal lugs or FAA-approved equivalents. Compliance must follow Service Bulletin 24-203 (2653).
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Compliance Time
Within 10 hours time in service after the effective date of this AD
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Affected Aircraft
BRITISH AEROSPACE, INC. Model HS-125 Series 700A Airplanes, serial numbers NA 0201 thru NA 0210 and NA 0218
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Federal Register Abstract
Electrical Overload
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-12-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-12-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AEROSPACE, INC. Model HS-125 Series 700A Airplanes Subject: Electrical Overload Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/26/1978 Make: Textron Aviation Inc. Model: HS.125 Series 700A Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-12-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3237 AD NUMBER: 78-12-11 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE, INC. Model HS-125 Series 700A Airplanes ACTION: SUMMARY: DATES: Effective June 26, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-12-11 BRITISH AEROSPACE, INC.: Amendment 39-3237. Applies to (Hawker Siddeley) Model HS-125 Series 700A Airplanes, serial numbers NA 0201 thru NA 0210 and NA 0218, certificated in all categories. Compliance is required as indicated unless already accomplished. To prevent electrical overload and possible fire, accomplish the following in accordance with Section 2, "ACCOMPLISHMENT INSTRUCTIONS" of British Aerospace (formerly Hawker Siddeley Aviation Ltd.) Service Bulletin 24-203 (2653), dated December 14, 1977, or an FAA approved equivalent. (a) Within 10 hours time in service after the effective date of this AD, replace the existing Minyvin 20 beacon light cable and associated marker sleeves and terminal lugs with Minyvin 16 cable and associated B25Y marker sleeves and 36151 terminal lugs or with parts specified in paragraph (b) of this AD. (b) Nyvin 16 or MIL-W-5086 Series 2 cable may be used as alternate replacement cables. Also, FAA approved equivalent marker sleeves including single sleeves with indelible coding may be used in lieu of B25Y sleeves. This amendment becomes effective June 26, 1978. FOOTER:
Document Text
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AD Final Rules - DRS_78-12-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-12-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AEROSPACE, INC. Model HS-125 Series 700A Airplanes Subject: Electrical Overload Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/26/1978 Make: Textron Aviation Inc. Model: HS.125 Series 700A 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: 78-12-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3237 AD NUMBER: 78-12-11 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE, INC. Model HS-125 Series 700A Airplanes ACTION: SUMMARY: DATES: Effective June 26, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-12-11 BRITISH AEROSPACE, INC.: Amendment 39-3237. Applies to (Hawker Siddeley) Model HS-125 Series 700A Airplanes, serial numbers NA 0201 thru NA 0210 and NA 0218, certificated in all categories. Compliance is required as indicated unless already accomplished. To prevent electrical overload and possible fire, accomplish the following in accordance with Section 2, "ACCOMPLISHMENT INSTRUCTIONS" of British Aerospace (formerly Hawker Siddeley Aviation Ltd.) Service Bulletin 24-203 (2653), dated December 14, 1977, or an FAA approved equivalent. (a) Within 10 hours time in service after the effective date of this AD, replace the existing Minyvin 20 beacon light cable and associated marker sleeves and terminal lugs with Minyvin 16 cable and associated B25Y marker sleeves and 36151 terminal lugs or with parts specified in paragraph (b) of this AD. (b) Nyvin 16 or MIL-W-5086 Series 2 cable may be used as alternate replacement cables. Also, FAA approved equivalent marker sleeves including single sleeves with indelible coding may be used in lieu of B25Y sleeves. This amendment becomes effective June 26, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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