How to Transport Your Scuba Tank Safely by Car or Plane

Whether you're heading to a local dive site or flying off to a tropical paradise, transporting your scuba tank safely is a top priority. Scuba tanks are not only heavy and awkward to carry, but they also contain compressed gas under high pressure, which makes proper handling essential. Here's what you need to know to get your tank from point A to point B—safely and legally—by car or plane.

Transporting by Car

Traveling by car gives you the most control over how your scuba gear is handled. However, that doesn’t mean you can just toss your tank in the trunk and hit the road. Here are some best practices:

1. Secure Your Tank: Lay the tank down flat and wedge it in place using padding such as towels, foam, or specialized tank racks. This prevents it from rolling around and damaging your car—or worse, becoming a projectile in the event of an accident.

2. Valve Protection: Always transport the tank with a valve cover or cap to protect the valve from damage. Damaged valves can lead to dangerous gas leaks.

3. Ventilation: If your tank is filled with enriched air (Nitrox), make sure your car is well-ventilated, especially during hot weather. Although it's rare, leaks can occur and oxygen-enriched air is more reactive than regular air.

4. Never Leave Tanks in a Hot Car: Heat causes the gas inside the tank to expand, increasing internal pressure. Extreme heat could cause the pressure relief valve to vent gas—or worse, lead to tank failure.

Transporting by Plane

Flying with scuba tanks is a bit more complex due to strict airline and TSA regulations. Here’s what you need to do:

1. Tanks Must Be Empty: Airlines and the TSA do not allow pressurized tanks in checked or carry-on luggage. You must completely depressurize the tank—ideally down to 0 psi. Many airlines also require that the tank valve be removed for inspection.

2. Valve Removal: This step isn't always easy and may require special tools. Removing the valve allows airport security to confirm the tank is empty. Be sure to bring the valve with you and store it in a safe, padded bag.

3. Label and Declare: Clearly label your tank as “Empty” and notify the airline in advance. Some carriers require you to check the tank in as sporting equipment or under special baggage rules.

4. Use a Travel-Ready Tank Bag: Invest in a padded scuba tank travel bag or case to protect the tank during baggage handling. It should also make it easier to carry through the airport.

Bonus Tip: Consider Renting

If transporting your tank seems like too much hassle—especially when flying—consider renting tanks at your dive destination. Most dive shops offer high-quality, regularly serviced tanks and will often deliver them to your dive site.