AD 81-21-05

EMERGENCY AD emergency

Airworthiness Directives; ARTEX AIRCRAFT SUPPLIES, INC.: Applies to Artex Replacement Battery Packs, P/N 00-21-006, which are designed for use in the Emergency Beacon Corporation Emergency Locator Transmitter

AD Number
81-21-05
Status
emergency
Effective Date
Product Category
appliance
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 Artex Aircraft Supplies, Inc. Battery Packs Airworthiness Directives; ARTEX AIRCRAFT SUPPLIES, INC.: Applies to Artex Replacement Battery Packs, P/N 00-21-006, which are designed for use in the Emergency Beacon Corporation Emergency Locator Transmitter
appliance Artex Aircraft Supplies, Inc. Battery Packs Airworthiness Directives; ARTEX AIRCRAFT SUPPLIES, INC.: Applies to Artex Replacement Battery Packs, P/N 00-21-006, which are designed for use in the Emergency Beacon Corporation Emergency Locator Transmitter

Unsafe Condition

The Artex Replacement Battery Pack, P/N 00-21-006, may fail in salt water environments due to inadequate corrosion resistance, posing a risk of inoperability.

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

Required Actions

Within 30 calendar days after the effective date, inspect the ELT and replace the Artex Battery Pack P/N 00-21-006 with a TSO-C91 approved battery pack. If replacement is unavailable, placard the ELT 'Not to be used in salt water' and operate for up to 90 days.

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

Compliance Time

Within 30 calendar days after the effective date of this AD

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

Affected Aircraft

Artex Aircraft Supplies, Inc. Battery Packs, P/N 00-21-006 designed for Emergency Beacon Corporation Emergency Locator Transmitter

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

Federal Register Abstract

Battery Packs

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_81-21-05.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
81-21-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; ARTEX AIRCRAFT SUPPLIES, INC.: Applies to Artex Replacement Battery Pack...Show more
Subject:
Battery Packs
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/19/1981
Make:
Artex Aircraft Supplies, Inc.
Model:
Battery Packs
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 81-21-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4231

AD NUMBER:   81-21-05

SUBJECT HEADING:   Airworthiness Directives; ARTEX AIRCRAFT SUPPLIES, INC.: Applies to Artex Replacement Battery Packs, P/N 00-21-006, which are designed for use in the Emergency Beacon Corporation Emergency Locator Transmitter

ACTION:  

SUMMARY:  

DATES:   Effective October 19, 1981.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
81-21-05 ARTEX AIRCRAFT SUPPLIES, INC.: Amendment 39-4231. Applies to Artex replacement battery packs, P/N 00-21-006, which are designed for use in the Emergency Beacon Corporation Emergency Locator Transmitter.

Within 30 calendar days after the effective date of this AD, inspect the ELT and if the battery is an Artex Battery Pack, P/N 00-21-006, replace it with a battery pack with a different part number which is approved under TSO-C91 for use in this ELT. Note: If no replacement battery pack is immediately available, placard the ELT "Not to be used in salt water." The airplane may be operated for up to 90 days with a placarded ELT.

Alternative means of compliance or other actions which provide an equivalent level of safety may be used when approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region.

This amendment becomes effective October 19, 1981.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_81-21-05.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
81-21-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; ARTEX AIRCRAFT SUPPLIES, INC.: Applies to Artex Replacement Battery Pack...Show more
Subject:
Battery Packs
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/19/1981
Make:
Artex Aircraft Supplies, Inc.
Model:
Battery Packs
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 81-21-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4231

AD NUMBER:   81-21-05

SUBJECT HEADING:   Airworthiness Directives; ARTEX AIRCRAFT SUPPLIES, INC.: Applies to Artex Replacement Battery Packs, P/N 00-21-006, which are designed for use in the Emergency Beacon Corporation Emergency Locator Transmitter

ACTION:  

SUMMARY:  

DATES:   Effective October 19, 1981.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
81-21-05 ARTEX AIRCRAFT SUPPLIES, INC.: Amendment 39-4231. Applies to Artex replacement battery packs, P/N 00-21-006, which are designed for use in the Emergency Beacon Corporation Emergency Locator Transmitter.

Within 30 calendar days after the effective date of this AD, inspect the ELT and if the battery is an Artex Battery Pack, P/N 00-21-006, replace it with a battery pack with a different part number which is approved under TSO-C91 for use in this ELT. Note: If no replacement battery pack is immediately available, placard the ELT "Not to be used in salt water." The airplane may be operated for up to 90 days with a placarded ELT.

Alternative means of compliance or other actions which provide an equivalent level of safety may be used when approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region.

This amendment becomes effective October 19, 1981.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.