Baggage process is captured in Reso 753 diagram showing the macro steps<br/><br/><b>Check in</b>: where passenger identifies the bag, passenger drops the bag, airline acquires the bag in custody and passenger is receipted for the bag<br/><br/><b>Screen</b>: bag is screened for compliance to regulations. Renamed from "security" to meet modeling guidelines (use verb)<br/><br/><b>Package</b>: stream of bags for a departure is sorted into its segregation, packages of bags, to enable arrival handling by bag priority (base segregation: local terminating bags vs transfer bags). <br/>Packaging is either into ULDs (for containerized aircraft) or into carts (for loose loaded bags where hold compartments persist the segregation during flight)<br/>Renamed from Sort to honor the larger scope <br/><br/><b>Load</b>: bringing bags into the transport vehicle (aircraft) either as ULD or as loose load<br/><br/><b>Unload</b>: reverse of load, deliver bags as ULDs or in carts. Packages are delivered to <b>Inspect </b>by customs<b> </b>for release to <b>Claim </b>or <b>Transfer</b><br/><br/><b>Claim  </b>includes <b>reclaim </b>(show receipt) to <b>acquire </b>bag by passenger, which mirrors <b>end of custody</b> for airline and <b>delivery </b>back to passenger. <br/>Renamed from Arrival to meet modeling guideline (use verb)<br/>And Arrival may require <b>customs </b>inspection<br/><br/><br/>Transfer is reached from <b>Inspect</b> and performs <b>hand-over</b> to transfer carrier (note: change of <b>custody</b>!)<br/><br/>Bags acquired through transfer pass macro steps "<b>security</b>" and "<b>package</b>" just as bags dropped off at this (transfer) airport<br/>