ACS · UA.I.B.K24

Civil twilight operations

Civil twilight operations.

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Code type

ACS

Linked questions

Area: UA.I

Task: UA.I.B

Element: Civil twilight operations

Linked questions

medium

You plan to conduct a small UAS operation 20 minutes after sunset. According to the Air Almanac, evening civil twilight ends 35 minutes after sunset. According to 14 CFR part 107, are anti-collision lights visible for at least 3 statute miles required for this operation?

Linked references

supplement

Airman Knowledge Testing Supplement

faq

FAA-Aligned Knowledge Test FAQ

guide

Testing Logistics Checklist

acs

Unmanned Aircraft General - Small ACS

Study

Private Pilot Airplane

Unmanned Aircraft General - Small

Civil twilight operations