Part 107 lets you fly day and night — but what the rule asks of you changes with the light. Pull up today's exact daylight, civil-twilight, and night windows for your location, and you'll see at a glance when you can fly freely, when you need anti-collision lighting, and when night rules apply. Learn the why here, and §107.29 stops being something you have to memorize.
Location is used once to look up today's sun times and is never stored.
| Window | When | What Part 107 requires |
|---|---|---|
| Daylight | Sunrise → sunset | No special lighting needed. |
| Civil twilight | 30 min before sunrise → sunrise, and sunset → 30 min after sunset (per §107.29(c); Alaska uses the Air Almanac) | Anti-collision lighting visible for 3 SM. |
| Night | After evening civil twilight until morning civil twilight | Anti-collision lighting (3 SM) and current remote-pilot training. |
Light is only half the go/no-go call — check the weather before you launch: Can I Fly Now?
This free tool teaches you one rule. The full Fly107Prep app builds the confidence to answer every §107.29 question — and every other reg — on test day, with a 22-lesson course, a full exam simulator, and answers that show you why each one is right. Don't memorize answers; learn why they're right. One-time $39.99, 7-day money-back guarantee.