Most all the airlines have a similar rule. The "special items" take up a lot of room and require special handling. To keep you from claiming it's "luggage" they created this special rule. They just don't want to have to deal with big or odd shaped items and if you insist, they are going to charge you to do so. They also don't want to take responsibility if ....make that when, expensive stuff gets stolen. This is aimed more at tanks than anything else. Fact is, if you don't tell them there is dive gear in your baggage, they have no way of knowing. It's the TSA that searches bags, not the airlines and they could care less what is in the bags as long as it's legal to carry. I carry gear in my luggage all the time with no problems, just don't disclose what in your bags. I always carry on my mask and regs, the TSA could care less and the airline does not need to know.
Would you like to take a 3rd piece of luggage and do it for free? Put your gear in a golf bag. Most airlines consider scuba gear "special equipment" and want to charge you for even having it in your luggage but for some reason golf clubs don't require any handling at all, take up no room and weight nothing or at least that's the way it appears since they will allow a golf bag in addition to your 2 pieces of luggage for free.
Just pack your gear in a regular suitcase, don't sticker it up dive flags, don't ask, don't tell, pack all you can in carry on and travel. As long as you don't go over the weight limit, you will be fine.
Would you like to take a 3rd piece of luggage and do it for free? Put your gear in a golf bag. Most airlines consider scuba gear "special equipment" and want to charge you for even having it in your luggage but for some reason golf clubs don't require any handling at all, take up no room and weight nothing or at least that's the way it appears since they will allow a golf bag in addition to your 2 pieces of luggage for free.
Just pack your gear in a regular suitcase, don't sticker it up dive flags, don't ask, don't tell, pack all you can in carry on and travel. As long as you don't go over the weight limit, you will be fine.