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5 Red Flags to Watch Out for When Buying a Used Aircraft

By Carlton Mark

May 21, 2025

Buying a used aircraft can be a smart move—but it also comes with risks. Whether you're a first-time buyer or a seasoned pilot adding to your fleet, knowing what to look out for can save you from expensive surprises. Here's what to watch for:

1. Incomplete or Missing Logbooks

Logbooks are the paper trail of an aircraft’s life. If they're missing, incomplete, or have suspicious gaps, that’s a major red flag. They affect value and airworthiness.

2. Corrosion in Hard-to-Inspect Areas

Surface corrosion is obvious, but structural corrosion can hide in landing gear wells, spars, and tail sections. Always get a detailed pre-buy.

3. Non-AD Compliant or Outdated Maintenance

If Airworthiness Directives aren’t up to date or maintenance records are sloppy, walk away—or expect big bills soon after buying.

4. Unexplained Modifications or STCs

Modifications can be great—but only if they’re documented. No FAA paperwork? Big risk.

5. Sketchy Ownership History

If the aircraft has changed hands too often or has gaps in registration history, dig deeper. It could be hiding damage history or legal issues.

Wrap-Up

When in doubt, partner with someone who knows the market. At Flaps15, we scan all logbooks, offer expert inspections, and handle import/export logistics in-house.

Looking at a used aircraft? Contact us—we'll help you buy smarter.