Hey, call your carrier and find out. Good Luck because the person you talk to may not know EVERYTHING but it should be published on their website. When I went to Hawaii, all my gear had to go UPS ground with special labeling. That included my air tanks which was the big issue. Empty or not, they would not fly it.
Carefully planned irresponsibility is the KEY to mental health.
If you haven't grown up by age 50........
You don't have to......