significant - of higher value or stature or rank; "A significant artist"; "a major role"; "significant highways" sensible - deserving of staying proposed or advised; prudent or intelligent; "this sort of motion is neither vital nor advisable"; "Serious

Absolutely DO NOT pack drone batteries in your checked luggage. Lithium-ion batteries are regarded hazardous supplies by airlines resulting from earlier fire incidents. Pack them in a fireplace-resistant LiPo battery bag, and bring them as part of your have-on. The traveling altitudes over floor