Air Generator Unit Plenum inlet doors, actuator operated..... Aka Pack cooling air inlet. One AGU in each wing root, as stated the mother of all packs.
The RAT is the other component (Electrical only) Optimal 115v 75kva at 175kts to about 56Kva at 140kts both auto and manual deployment available. RAT supplies 4 electrical hyd pumps when engines not operating.
Last edited by ARINC; 16th October 2007 at 23:40.