How To Take A Guitar On An International Flight How Can I Take My Epiphone Sg And Line6 75W Amp On An Airplane?

How can I take my epiphone sg and line6 75W amp on an airplane? - how to take a guitar on an international flight

I travel on an international flight, and I take my guitar and big amps at home. I like to make my guitar and amp to my own as my second bag, but I'm not sure it would be very intelligent amplifiers could be undercut. Amp types to 42 kg not exceeding the weight limit. Once you do that? Good ideas?