Separate operating costs from reserves
Fuel and routine maintenance represent expected operating spending. Engine and propeller reserves represent money you choose to set aside for later work. The worksheet keeps those buckets separate.
Fuel and maintenance change with use. Hangar and insurance arrive whether you fly or not. Connect those costs to the first year of your loan scenario.
| Payment | Date | Scheduled payment | Interest | Principal | Balance | Balloon due |
|---|
All other scenario settings stay the same. These are hypothetical rates.
Fuel and routine maintenance represent expected operating spending. Engine and propeller reserves represent money you choose to set aside for later work. The worksheet keeps those buckets separate.
An engine already partway through its life has fewer hours left to fund the next overhaul. Enter an overhaul estimate, savings already allocated and the remaining hours. Replace the defaults with a shop quote and your aircraft’s records.
Your down payment, purchase taxes and closing fees are part of acquisition planning. A balloon is a separate maturity obligation. They are shown alongside the recurring budget instead of being disguised as monthly operating costs.
Read the full calculation method and editorial policy.