Interested in estimating per-seat prices and/or testing the business model for an air taxi service operation? Try our spreadsheet calculator. Microsoft Excel spreadsheet software must be installed on your computer for it to work. If you read the "Air taxi Chinese puzzle" commentary, this may be an aid to its solution. A few notes about the spreadsheet calculator:

   • Costs and income are broken down and compared on a per-day basis.
   • We have "seeded" the variable data cells with numbers, which may or may not be realistic. The idea is for you to enter       your numbers in place of ours to reflect your operation. The calculated cells' values will change, when you press the       "enter" key, or move the pointer to another cell after entering any data.
   • One of the data munipulation goals is to have the "income" dollars equal or exceed the "cost+profit" dollars.
   • Cells with red mark in upper right hand corner have comments associated with them, which may be viewed by hovering       the pointer over the cell.
   • It may be downloaded to your computer using File|Save As...while the spreadsheet is open.
   • This is a work in progress and subject to change, possibly as a result of your feedback, which is welcome.