AD 2008-13-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking | Air Limited Models DHC-6-1 | Airworthiness Directives; Viking Air Limited Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Viking Air Limited Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 Airplanes |
Unsafe Condition
Service experience indicates that as aircraft become older, they are more likely to exhibit indications of corrosion.
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Required Actions
Develop a schedule for doing the initial and repeat corrosion tasks (CTs) within 90 days after August 5, 2008. Initially, perform all seven basic CTs defined in the DHC-6 Twin Otter Corrosion Prevention and Control Manual, Revision 3, along with temporary revisions listed in Table 1 of this AD.
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Compliance Time
Within 90 days after August 5, 2008
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Affected Aircraft
Viking Air Limited Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 airplanes, serial numbers 001 through 844, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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