// ORBITAL LOGISTICS AND PROPULSION TERM
Cabin Pressure
Cabin pressure is the controlled air pressure inside a spacecraft or aircraft, maintained at a level safe for human occupants.
TECHNICAL DEFINITION
Cabin pressure is the artificially maintained atmospheric pressure within the habitable volume of a spacecraft or high-altitude aircraft, regulated to provide a breathable environment and prevent physiological effects of low external pressure on human occupants, typically set to a partial pressure of oxygen equivalent to Earth sea level.
BACKGROUND
The Gulfstream IV and derivatives are a family of twinjet aircraft, mainly for private or business use. They were designed and built by Gulfstream Aerospace, a General Dynamics company based in Savannah, Georgia, United States, from 1985 until 2018. Aircraft power is provided by two Rolls-Royce RB.183 Tay turbofans.
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- Internal pressure
- Habitable pressure
- Atmospheric control
USAGE NOTE
Maintaining stable cabin pressure is critical for astronaut safety during space missions.
DEVELOPERS
Organizations developing technology related to Cabin Pressure.
As a leading global aerospace company, Boeing designs, manufactures, and services commercial aircraft and space systems, including the Starliner spacecraft, all of which require sophisticated cabin pressure control and monitoring systems for crew and passenger safety.
A major player in commercial aircraft manufacturing and space exploration, Airbus develops and integrates advanced environmental control systems crucial for maintaining stable cabin pressure in its diverse fleet of aircraft and for crewed modules in space.
NASA is at the forefront of human spaceflight, designing, developing, and operating spacecraft and habitats (like the International Space Station and future Artemis missions) where precise cabin pressure management is absolutely critical for astronaut survival and mission success.
SpaceX designs, manufactures, and launches advanced rockets and spacecraft, including the Crew Dragon capsule which transports astronauts. Their engineering involves robust life support and cabin pressurization systems essential for human spaceflight missions.
Sierra Space is developing the Dream Chaser spaceplane and the innovative LIFE (Large Integrated Flexible Environment) inflatable space habitat. Both require advanced environmental control and life support systems, with cabin pressure maintenance being a core technological challenge.
Collins Aerospace is a major supplier of aerospace and defense products, providing integrated systems for commercial, military, and business aviation. They develop advanced environmental control systems (ECS) that are critical for managing cabin pressure and air quality in aircraft and spacecraft.
A global security and aerospace company, Lockheed Martin is a primary contractor for NASA's Orion multi-purpose crew vehicle. They are deeply involved in developing the sophisticated life support and cabin pressurization systems necessary for deep-space human exploration missions.