• Electrical shops - galley equipment, navigational and strobe lights, proximity switches
• Radio and radar shop - Communication and navigation radios, control and selector panels, passenger service units repair and test.
• Battery shop - Charge, discharge, repair, maintenance and test of A/C and emergency batteries.
• Navigation shops - Pneumatic instruments, passenger entertainment system elements, voice recorders, overhead panels, instruments repair and test.

The laboratories are air-conditioned with antistatic grounded plastic floor and natural, shielded lighting.
The radio laboratories are shielded rooms.
The precision equipment laboratories are furnished with dust filters.