Will it fly?
Can you bring Swiss Army Knife on a plane?
Coop checked the book. Here's the ruling for Swiss Army Knife:
CARRY-ON
No
CHECKED BAG
Yes
What the TSA says
Except for plastic or round bladed butter knives. Any sharp objects in checked bags should be sheathed or securely wrapped to prevent injury to baggage handlers and inspectors.
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Based on official TSA guidance. The final decision rests with the TSA officer at the checkpoint.