AD 2021-24-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking | Aircraft Limited | Airworthiness Directives; Viking Aircraft Limited Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Viking Aircraft Limited Airplanes |
Unsafe Condition
fatigue damage of the wing strut lug fitting components and the fuselage to wing strut attachment (tie-bar)
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
determining service life limits for the wing strut fitting on the main spar and for the tie-bar, and following instructions for removal and replacement of affected parts
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
all Viking Air Limited Model DHC-3 airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.