Posted by ALTAIR Redaktion
on October 03, 2026
If you fly to the United States, you have already come across the term: TSA lock. What lies behind it, why an ordinary padlock becomes a problem over there, and how to secure your luggage anyway — here are the answers.
What exactly is the TSA?
The Transportation Security Administration is the US authority responsible for aviation security. It is allowed to open and inspect any piece of checked luggage — even without you being present. If your suitcase is secured with an ordinary lock, that lock will be cut off if there is any doubt. There is no replacement: forcing it open is legally permitted.
How a TSA lock works
TSA-approved locks have a second way in alongside your combination: a standardised cylinder for which only the authority holds master keys. Security uses it to open the case without damage and then locks it again. You can identify approved locks by the red diamond symbol (“Travel Sentry”).
How do I know my suitcase was opened?
On many TSA locks — including those on the Altair Original Cabin — a small red indicator pops out after an official opening. In addition, the TSA usually leaves a slip of paper inside the case (“Notice of Baggage Inspection”). That way you know immediately and can check the contents.
Why the construction of the case matters too
A TSA lock only secures what is otherwise closed. On zipper suitcases, the zipper itself can be pushed open silently with a ballpoint pen — bypassing the lock entirely. An aluminum suitcase with a continuous frame and two integrated TSA metal latches has no such back door: it opens via the locks, or not at all.
4 tips for travelling to the USA
- Use TSA-approved locks only — anything else risks being broken off.
- Valuables go in your carry-on. Cameras, jewellery and electronics belong in the cabin, not in the hold.
- Photograph the contents. A photo of the packed case helps with claims after an inspection.
- Track your case. A luggage tracker shows you in real time whether your suitcase is really on the same plane — worth its weight in gold on US connections in particular.
Conclusion
For trips to the USA a TSA lock is not an option but a requirement — and in a frame-based aluminum suitcase it only reaches its full effect. That way security gets in, but nobody else does.
