AQUA LUNG Emergency Breathing Systems (EBS)

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Aqua Lung’s Emergency Breathing Systems include Survival Egress Air (SEA) devices used by helicopter aircrews for underwater escape in the event of a crash at sea as well as Portable Helicopter Oxygen Delivery Systems (PHODS) for aircrews who fly at high altitudes.

Survival Egress Air (SEA)

A Survival Egress Air (SEA) system is a critical safety device for any helicopter pilot or aircrew member who regularly flies over water. SEA Systems consist of a compact, vest-mounted compressed air bottle with air hose and breathing regulator, much like a miniature SCUBA system. In the event of a helicopter crash or ditching operation over water, SEA systems provide enough breaths of air to allow crew members to escape a swamped or sinking aircraft and get safely to the surface. Unfortunately, chances of surviving a water crash without an emergency breathing system are greatly reduced.

Aqua Lung pioneered the Survival Egress Air system and is the world’s largest supplier of Emergency Breathing Systems.

SEA 4500 Emergency Breathing System

The new SEA-4500 System is even more compact than the original SEA system while providing an increased breathing capacity in an emergency situation.

• 40% lighter
• 33% more breaths
• Improved regulators
• 4500 psi working pressure
• Smaller Composite Cylinder





Portable Helicopter Oxygen Delivery System (PHODS)PHODS-image

Military helicopter crews are often required to fly at higher altitudes and in tougher conditions than civilian aviators. The need for critical thinking and split second decisions is often multiplied on these high altitude missions. Yet thinner oxygen levels at altitude can cloud thinking and slow reaction times. The Portable Helicopter Oxygen Delivery System (PHODS) was developed by Aqua Lung in association with the US Military to address this situation.


PHODS is a man-mounted system that fits directly onto the crew member’s flight vest. It includes a compact steel oxygen cylinder and a first stage breathing regulator that delivers oxygen via a rubber nasal cannula or direct to the aviator’s face mask. Oxygen delivery is managed by an Oxygen Pulse Controller (OPC) that senses oxygen needs via pressure differences in the user’s breathing. The controller also detects altitude and becomes active automatically above 10,000 feet and stops when altitude drops below 8500 feet. The system is recommended for crews flying up to 18,000 feet.




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