Noisy
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The world is being quietly rearranged by people who write very long documents.

Federal Register · August 25, 2025
The title they went with Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes Noisy translates that to

Old seaplanes must get a new part to stop a critical component from falling off

What happened
The US aviation regulator now requires a specific fix for a part on older Viking Air DHC-3 seaplanes. This means operators must install a secondary safety feature to prevent a stabilizer actuator lock ring from coming loose.
Why it matters
A small part on these planes, the stabilizer actuator lock ring, can come off. If it does, the plane's tail control can fail. This new rule makes sure that every plane gets a backup part, so the lock ring cannot fall off even if it comes loose.
The signal
Watch for reports on how quickly operators comply with the new requirement and if any further issues arise with the stabilizer actuator after the fix is installed.
If you insist
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