PRE Checklist

Table 1-1. Personal Rescue Enclosure egress

PRE EGRESS
Cue card version	Expanded version
PRE — RETRIEVE	Unstow PRE and PRE PLSS equipment from footlocker.
CHECK O2	Verify LiOH scrubbers in good condition and safe for use and that interior O2 canister is at 100%.
PRE — INFLATE	Connect PRE to airlock AUX suit air supply system or to external tank supply via EMU suit hose. Verify communication and PLSS system okay unless on external supply.
DON O2 MASK	Crewmember to don O2 mask. Verify sufficient O2 flow and PRE integrity.
SEDATIVE (if reqd)	Crewmember to apply sedative patch if required. Alternatively, crew can use MP3 player or other item to remain calm in needed, provided communication with rescue crew maintained.
ENTER PRE	Enter PRE and assume position. Knees should be tucked and head brought as close to knees as possible. O2 canister and CO2 scrubbers to be placed between legs. Arms should curl around knees. Tail should be curled around to the front, if able.
PRE — CLOSE	Rescue crewmember will close and secure PRE by zipping the enclosure and verifying positive pressure seal. Verify no leaks.
PRE — SECURE	Rescue crewmember to secure PRE to transfer tether or to suit using PRE D-clips and tether and/or caribiner. Verify PRE secure to tether/EMU. WARNING At no time should the PRE be allowed to be transferred untethered. Doing so may lead to loss of the PRE.
COMM — CONNECT	Connect communication cable from PRE to EMU or external antenna. Verify secure.
COMM — CHECK	Rescue crew to verify communications system between PRE and EMU are nominal and crewmember within PRE is okay.
A/L — DEPRESS	Rescue crew to depressurized airlock.
PRE — A/L AUX HOSE DISCONNECT	Disconnect PRE from airlock AUX O2 supply. If connected to secondary canister or EMU PLSS, skip next step. CAUTION Standard PRE O2 tank is designed for 2 hours in emergency. Do not exceed 2 hours without connecting to secondary O2 supply.
PRE — EMU/AUX O2 TIE-IN (if reqd)	Connect PRE to secondary O2 supply via PRE suit hose ports. Connect to EMU or Constellation using buddy-hose tie-in or connect to external O2 canister.
TRANSFER PRE	Rescue crew to transfer PRE to rescue Shuttle via tether or RMS.
PRE — A/L AUX HOSE CONNECT	Reconnect PRE to rescue Shuttle airlock AUX O2 supply.
A/L REPRESS	Repressurize rescue Shuttle airlock.
COMM — DISCONNECT FROM PRE	Disconnect communications cable from PRE.
EGRESS PRE	Rescue crewmember to unzip and open PRE once airlock is pressurized. Crewmember egress from PRE. Remove O2 mask.
PRE — DISCONNECT AUX O2 (if reqd)	Disconnect PRE from EMU or supplemental O2 canister if required.