1. Product Operators Simulator (training facilities)

2. Operators The SYSTEM being developed The Product Neighbouring Systems Products may be Inside our Scope, Outside it, or half-and-half Interface

3. Aviation Authorities Passengers Aircrew Manned Aircraft Aircraft Maintenance Air Traffic Control Refuelling, Resupply Baggage Handling Initial System Scope Check-in Security Simulation & Training

4. Aviation Authorities Aircrew Operable Aircraft Aircraft Maintenance Air Traffic Control Refuelling, Resupply Internal Interface External Interface Revised System Scope Passengers Baggage Handling Check-in Security Simulation & Training

5. damage wages Supplier Ordering & Menu payments Credit Card Co. Accounts credit payments, authorisation bill payment Waiter Diners food not to mention laundry, maintenance, new equipment Critic Disposal, Recycling Rats, Insects, Bacteria, Fungi Health Inspector Cleaning inspection Food Storage Cook orders deliveries waste dirty dishes Website Designer information Website design visit Public Tax Authorities accounts, tax brief

6. Baggage Handling Air Traffic Control Operable Aircraft System Boundary Event bags to load Event / TaskIn/Out Load BagsIn Scope Unload BagsIn Scope RefuelIn Scope Check-in Passengers Out of Scope Radio Air Traffic Control In Scope Provide Airport Security Out of Scope fuel Refuelling bags to unload consumables Resupply voice Interface