Charter Operator Financing: Funding a Part 135 Fleet
On-demand charter under Part 135 is one of aviation's most capital-intensive businesses: a certificate that takes months to earn, a fleet that must be maintained to demanding standards, and revenue that swings with the season and the economy. Financing it means separating what the operator actually owns from what merely flies under its name.
The Certificate and the Fleet
A Part 135 certificate is hard-won and central to the enterprise, but like other operating certificates it is not collateral a lender can seize. The financeable assets are the aircraft, whether owned outright or managed on behalf of others. Lenders draw a sharp line between the two, because only the owned aircraft actually secure the loan.
Owned vs Managed Aircraft
Many operators fly a mix: some aircraft they own, others owned by clients and placed on the operator's certificate. Managed aircraft generate revenue but are not the operator's collateral. A fleet that looks large on the ramp can be thin on the balance sheet. Underwriting focuses on what the operator owns, not on the total number of tails it dispatches.
Volatile, Seasonal Cash Flow
Charter demand is cyclical and seasonal, and margins move with fuel prices and utilization. Lenders want to see repeat customers, block-hour commitments, and enough liquidity to carry fixed costs through slow stretches. A single strong quarter does not underwrite a fleet; durability of demand across a full year does.
Maintenance Reserves and Compliance
Part 135 maintenance standards are demanding and expensive, so lenders expect funded reserves for engine and airframe events rather than hoping cash is available when a big inspection comes due. An in-house maintenance capability or a strong shop relationship strengthens the file, and a clean compliance history with the FAA is part of the credit story.
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