The EFOS charter quotes module allows the sales department of business jet operators to fully integrate the quoting, planning and invoicing of a flight with the operational aspects of finding slots, allocating crew and selecting aircraft. Quotations can include charges for hourly rates, landing fees, catering, etc. which are fully configurable on a per-type or per-destination basis. A controlled check list prevents activities being omitted when moving from one stage of the process to the next.