Passengers and users - scuba equipment.

Transporting Scuba Equipment

Some scuba gear can be transported on-board the aircraft. Please refer to the guidelines below:

Regulators, Buoyancy Compensators and mask, snorkel and fins are all acceptable as checked or carry-on baggage.
Dive tanks or any compressed gas cylinders are prohibited from carry-on and checked luggage.
Knives and tools are prohibited from carry-on luggage. These items should be packed in checked luggage. Any sharp objects packed in checked luggage should be sheathed or securely wrapped to prevent injury to baggage handlers and security screeners.

Spear guns are prohibited from carry-on luggage. These items should be packed in checked luggage.