EVA Systems
SAFER (Simplified Aid for EVA Rescue)
SAFER is a self-contained, propulsive backpack self-rescue system that provides the EV
crewmember with self-rescue capability when orbiter is not present or cannot
immediately perform EVA rescue.
• Propellant: Pressurized nitrogen gas
• Controlled by a single hand controller
• Stowed in ISS airlock, used on ISS
EVAs
• Sufficient propellant and power for one
self-rescue (~13 min)
• Test flight on mission STS-64; self
-rescue capability on STS-76
• Power up of production model SAFER
on STS-86
• Tethered test flight of production
model SAFER on 2A and 3A
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