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Super-Chipmunk Inc.

In Case You Missed it

Ask the DAR

Is replacing one panel with another considered a major modification? And what is a “significant” change to weight and balance?

Around the Patch

Editor-in-Chief Marc Cook considers the current state of customer service and its implications for business success.

Wind Tunnel

The Flying Flea.

Firewall Forward: New, Used, Something Else?

For some builders, new aircraft engines may just be out of reach. Dave Prizio explains what to look for in a used Lycoming or Lycoming-type engine along with what you need to consider before buying.