44 Cabin systems
TTP B1-L2 ATA 44 Beech 90 Series B2-L3 Cabin S ystems 44 CABIN SYSTEMS -00 General -10 Cabin Core System -20 Inflight Entertainment System -30 External Communication System -40 Cabin Mass Memory System -50 Cabin Monitoring System -60 Miscellaneous Cabin System PTP Beech 90 Series B1 LOC B2 LOC FOT SGH R/I MEL TS