AD 81-21-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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 |
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.
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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.
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Compliance Time
Within 30 calendar days after the effective date of this AD
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Affected Aircraft
Artex Aircraft Supplies, Inc. Battery Packs, P/N 00-21-006 designed for Emergency Beacon Corporation Emergency Locator Transmitter
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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