← All explained questions · Supplemental · I — Preflight Preparation
Compared to day flight, the FUEL RESERVE requirement at night per 14 CFR 91.151 is
Choices
the same as day (30 minutes).
Same as day is wrong; night is higher.
✓ GREATER — 45 minutes (vs 30 minutes day) of additional fuel required at the first point of intended landing under VFR.correct
The increase reflects that at night, alternate options are more limited and the workload is higher. 14 CFR 91.151(a): VFR fuel reserves — 30 minutes day, 45 minutes night. Reflects the operational reality: at night, fewer airports lit, lower visibility, more pilot workload, weather changes harder to spot. Personal minimums often higher (1+ hour night, 45 min day).
less than day.
Reserves are higher at night, not lower.
no fuel reserve required.
Reserve is required for VFR; this is regulation.
Why
The increase reflects that at night, alternate options are more limited and the workload is higher. 14 CFR 91.151(a): VFR fuel reserves — 30 minutes day, 45 minutes night. Reflects the operational reality: at night, fewer airports lit, lower visibility, more pilot workload, weather changes harder to spot. Personal minimums often higher (1+ hour night, 45 min day).
FAA source: 14 CFR §91.151(b), VFR fuel requirements at nightbrowse the reference library →
Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.