At the start of your pre-flight users must inspect the tachometer and dispatch the plane reservation. If you find a discrepancy please report it immediately so we can help resolve it. The procedure for dispatching a plane reservation and for checking it back in is documented on the flightcircle help page here:
Dispatch and Check-in Procedures
Upon completion of your flight you will need to observe the tachometer and close out your reservation with a "check-in". During the check-in process you can report any fuel or oil added - please note that this does not trigger any reimbursement. To be reimbursed for fuel or oil you must submit a receipt documenting the gallons purchased or quarts purchased and added to the plane to