AD 82-25-05

final rule

Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes

AD Number
82-25-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

Applicability

TypeManufacturerModelDetails
aircraft Mitsubishi Heavy Industries, Ltd. YS-11 Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes
aircraft Mitsubishi Heavy Industries, Ltd. YS-11A-200 Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes
aircraft Mitsubishi Heavy Industries, Ltd. YS-11A-300 Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes
aircraft Mitsubishi Heavy Industries, Ltd. YS-11A-500 Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes
aircraft Mitsubishi Heavy Industries, Ltd. YS-11A-600 Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes

Unsafe Condition

Loss of both D.C. generator outputs.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Modify the terminal wiring on the D.C. generators in accordance with Lear Siegler, Inc. Service Bulletin No. 30029-02 dated November 16, 1980. Alternate means of compliance may be used if approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 250 hours time in service or 90 days, whichever occurs first, after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Mitsubishi Heavy Industries, Ltd. Model YS-11, YS-11A-200, YS-11A-300, YS-11A-500, YS-11A-600 airplanes certificated in all categories.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Terminal Wiring on the D.C. Generator Outputs

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_82-25-05.html
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AD Number:
82-25-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes
Subject:
Terminal Wiring on the D.C. Generator Outputs
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/06/1982
Make:
Mitsubishi Heavy Industries, Ltd.
Model:
YS-11 | YS-11A-200 | YS-11A-300 | YS-11A-500 | YS-11A-600
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: 82-25-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4504

AD NUMBER:   82-25-05

SUBJECT HEADING:   Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 6, 1982.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   82-25-05 NIHON AEROPLANE MANUFACTURING COMPANY: Amendment 39- 4504. Applies to Model YS-11/11A series airplanes, certificated in all categories. Compliance required within the next 250 hours time in service or 90 days, whichever occurs first, after the effective date of this AD, unless previously accomplished. To prevent the loss of both D.C. generator outputs:

1. Modify the terminal wiring on the D.C. generators in accordance with the Accomplishment Instructions of Lear Siegler, Inc., Service Bulletin No. 30029-02 dated November 16, 1980.

2. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

3. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

This amendment becomes effective December 6, 1982.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_82-25-05.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
82-25-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes
Subject:
Terminal Wiring on the D.C. Generator Outputs
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/06/1982
Make:
Mitsubishi Heavy Industries, Ltd.
Model:
YS-11 | YS-11A-200 | YS-11A-300 | YS-11A-500 | YS-11A-600
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: 82-25-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4504

AD NUMBER:   82-25-05

SUBJECT HEADING:   Airworthiness Directives; NIHON AEROPLANE MANUFACTURING COMPANY: Model YS-11/11A Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 6, 1982.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   82-25-05 NIHON AEROPLANE MANUFACTURING COMPANY: Amendment 39- 4504. Applies to Model YS-11/11A series airplanes, certificated in all categories. Compliance required within the next 250 hours time in service or 90 days, whichever occurs first, after the effective date of this AD, unless previously accomplished. To prevent the loss of both D.C. generator outputs:

1. Modify the terminal wiring on the D.C. generators in accordance with the Accomplishment Instructions of Lear Siegler, Inc., Service Bulletin No. 30029-02 dated November 16, 1980.

2. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

3. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

This amendment becomes effective December 6, 1982.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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