坐飞机可以带 自动弹簧跳刀与快开按键折刀 吗？（美国TSA/加拿大CATSA标准）

严禁随身：根据民航反恐与安保规定，各类刀具、刀片及锋利工具严禁带入客舱。

允许托运：可以放入托运行李办理托运，但必须将锋利刀刃妥善包裹或装入护套以防伤人。

Standard carry-on baggage size allowances apply; TSA publishes no individual numerical cap for personal use.

If prohibited items like Switchblade knives are discovered at checkpoint screening, screeners will prohibit entry past the security perimeter. You must voluntarily surrender the item for disposal, return landside to pack it in checked luggage, hand it to a non-traveler, or risk law enforcement referral.

CATSA: No — switchblade knives is prohibited in carry-on baggage under Transport Canada regulations. In checked bags: No — prohibited in checked luggage under Canadian dangerous goods rules.