Aircraft LeasingFree Financial Model Download
An 8-year aircraft operating-lease portfolio from the equity sponsor perspective: a 10-aircraft narrowbody fleet bought for 500M, leased at a monthly lease rate factor, financed with 65% senior debt amortising to a balloon, and sold at a 72% residual value. Returns sheet computes levered IRR, equity multiple, cash yield, and the unlevered asset return, with a 5x5 lease-rate-factor by utilisation sensitivity grid.
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About this model
An aircraft leasing model captures the cash flows, financing, and equity returns of an operating-lease portfolio from the lessor (equity sponsor) perspective. The workbook lays out a 10-aircraft narrowbody fleet — 50M per aircraft, 500M total cost, an 8-year levered hold — across nine sheets: Cover, Assumptions, Fleet, Lease_Income, Debt, Cash_Flow, Returns, Sensitivity, Checks. Every input is a named-range cell, every formula is one or two operations long, and the workbook passes static-value, self-reference, dead-assumption, and unused-named-range scans.
The Fleet sheet runs the net book value roll-forward. NBV opens at zero, takes the full fleet cost as an acquisition in Year 0, and depreciates by a constant straight-line charge each operating year (cost net of a 15% accounting residual, spread over a 25-year useful life). Closing NBV equals opening plus acquisitions plus depreciation. At the end of the hold the fleet is marked to an exit residual value (72% of original cost), and the gain or loss on sale is the difference between that market value and the depreciated closing book value.
The Lease_Income sheet walks the operating result. Annual rental per aircraft equals the lease rate factor times twelve times aircraft cost; lease revenue equals aircraft on lease (fleet times 96% utilisation) times the annual rental, escalated 1.5% each year. Operating expenses are 8% of revenue; EBITDA is revenue less opex. Depreciation, interest expense, and the gain or loss on sale carry down to pre-tax income, which is taxed at 21% to give net income.
The Debt sheet schedules the senior facility: a 65% loan-to-value drawdown at acquisition (325M), straight-line amortisation over a 12-year schedule, and a balloon repaid from sale proceeds at exit. Interest accrues on the declining opening balance, so debt service falls each year. The Cash_Flow sheet builds operating cash flow (EBITDA less cash taxes less interest), then the levered (equity) cash flow that adds the Year-0 acquisition outflow, debt drawdown, debt repayment, and exit sale proceeds, plus a cumulative equity cash flow and a separate unlevered cash flow view that strips out all debt items.
The Returns sheet reports the levered IRR off the equity cash flow stream (~8.5%), the equity multiple of distributions to equity invested (~1.8x), the average operating cash yield, and the unlevered IRR off the asset cash flow (~4.0%) — with the levered IRR exceeding the unlevered IRR because the debt cost sits below the asset return. The exit summary shows sale proceeds, debt outstanding at exit, net exit equity, and total cash returned to equity. The Sensitivity sheet flexes a 5x5 grid of net lease yield on cost against lease rate factor and utilisation offsets. The Checks sheet runs seven validation checks: debt fully repaid at exit, net book value never negative, equity ties to sources, the Year-0 equity outflow equals equity invested, loan-to-value and utilisation within bounds, and accumulated depreciation reconciles to fleet cost less closing NBV.
Target users are aircraft lessors, aviation finance and structured-finance teams, infrastructure and asset-backed funds, and lenders sizing senior facilities against narrowbody fleets. Useful for acquisition underwriting (does a fleet purchase clear the equity return hurdle), leverage structuring (how loan-to-value and amortisation reshape the equity IRR), and residual-value stress testing (what a soft secondary market at sale does to the equity multiple). Calibrate against lessor 20-F filings from AerCap and Air Lease Corporation, Cirium fleet values, and aircraft appraiser residual-value curves.



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What's included
- 10-aircraft narrowbody operating-lease portfolio, 500M fleet cost, 8-year levered hold
- Fleet net book value roll-forward: acquisition, straight-line depreciation, closing NBV
- Exit valuation: market value at 72% residual and gain/(loss) on sale versus book
- Lease income statement: revenue, opex, EBITDA, depreciation, interest, tax, net income
- Senior debt schedule: 65% LTV drawdown, straight-line amortisation, balloon at exit, declining-balance interest
- Operating, levered and unlevered cash flow with cumulative equity CF
- Returns: levered IRR, equity multiple, average cash yield, unlevered IRR, exit summary
- Sensitivity grid: 5x5 lease rate factor by utilisation producing net lease yield on cost
- Seven validation checks: debt repaid at exit, NBV non-negative, sources tie, Year-0 outflow, LTV and utilisation bounds, depreciation reconciliation
Built for the aviation finance desk
Aircraft leasing returns hinge on four numbers: the lease rate factor, fleet utilisation, the cost of senior debt, and the residual value at sale. This template lays all four on named-range inputs and reads the levered IRR and equity multiple straight off the Returns sheet.
Levered and unlevered side by side
The Cash_Flow sheet builds an unlevered asset cash flow next to the levered equity cash flow, so the Returns sheet shows both the asset IRR and the equity IRR. The accretion from senior leverage is explicit rather than buried.
Audit-friendly mechanics
Every input is a named-range cell, every formula is one or two operations, the debt fully retires at exit through a balloon, and the workbook passes static-value, self-reference, dead-assumption, and unused-named-range scans.
Frequently asked
What is an aircraft operating lease?+
An operating lease is a medium-term rental of an aircraft to an airline. The lessor keeps ownership and the residual-value risk, while the airline pays a fixed monthly rental and returns the aircraft at lease end. This template takes the lessor view across a portfolio of 10 narrowbody aircraft over an 8-year hold.
What is the lease rate factor?+
The lease rate factor is the monthly lease rental expressed as a percentage of aircraft cost. A 0.95% monthly factor on a 50M aircraft implies a 5.7M annual rental. New narrowbody lease rate factors typically run 0.80 to 1.00% per month.
Why is the levered IRR higher than the unlevered IRR?+
Because the senior debt cost of 5.5% sits below the unlevered asset return, leverage is accretive. Borrowing at a rate lower than the asset earns amplifies the equity return. The model reports both the levered and unlevered IRR so the contribution of debt is explicit.
How is the senior debt repaid?+
Debt is drawn at acquisition at 65% loan-to-value, amortises straight-line over a 12-year schedule, and the balance still outstanding at the end of the 8-year hold is repaid as a balloon from the sale proceeds. Interest accrues on the declining opening balance.
What drives the exit value?+
Exit proceeds equal the exit residual value, 72% of original cost, times total fleet cost. The gain or loss on sale is the difference between that market value and the depreciated book value, and it flows through pre-tax income in the exit year.
Can I resize the fleet or change the hold?+
Yes. The number of aircraft, aircraft cost, and hold period are named-range inputs. The builder is parameterised by NUM_PERIODS, currently 9, equal to Year 0 plus an 8-year hold. Bump it together with the Hold Period assumption to extend the horizon.
Alex Tapio
Founder of Finamodel • Professional Financial Modeller • Ex-Deloitte
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