CFR › Title 14 › Part 121 › §121.64714 CFR §121.647Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkEach 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.