14 C.F.R. § 271.6 Profit element.
Title 14 - Aeronautics and Space
The reasonable return for a carrier for providing essential air service at an eligible place generally will be set at a flat percentage, typically 5 percent of that carrier's projected operating costs as established under §271.4, plus any applicable interest expenses on flight equipment. [ER–1398, 49 FR 49846, Dec. 24, 1984, as amended at 60 FR 43524, 43525, Aug. 22, 1995]
Title 14: Aeronautics and Space
PART 271—GUIDELINES FOR SUBSIDIZING AIR CARRIERS PROVIDING ESSENTIAL AIR TRANSPORTATION
§ 271.6 Profit element.