14 C.F.R. § 121.647 Factors for computing fuel required.
Title 14 - Aeronautics and Space
Each person computing fuel required for the purposes of this subpart shall consider the following: (a) Wind and other weather conditions forecast. (b) Anticipated traffic delays. (c) One instrument approach and possible missed approach at destination. (d) Any other conditions that may delay landing of the aircraft. For the purposes of this section, required fuel is in addition to unusable fuel.
Title 14: Aeronautics and Space
PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart U—Dispatching and Flight Release Rules
§ 121.647 Factors for computing fuel required.