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Cross-mode toolsPlanning

calculateFuelReserve

Compute legal and prudent fuel reserves for a planned flight.

ProblemWhat it solves

The problem this tool solves

14 CFR 91.151 minimums are easy to forget at altitude or for night.

Example interaction

Pilot asks

Day VFR, 2.4 hour flight, no alternate. What fuel reserve?

Copilot responds

Day VFR 14 CFR 91.151(a)(1): 30-minute reserve at cruise burn = 4.5 gal in your aircraft. Recommended 1-hour personal reserve = 9 gal.

RegulationCited reference

Related FAR

14 CFR 91.151

Try calculateFuelReserve in the Copilot

The Copilot reaches for this tool whenever the conversation calls for it.