Definition of Night

In plain language

For the purposes of drone operations, 'night' starts at the end of evening civil twilight and ends at the beginning of morning civil twilight.

Requirement as structured

Night is defined as the time between the end of evening civil twilight and the beginning of morning civil twilight, as published in The Air Almanac and converted to local time.

Original regulatory text

Night is defined in § 1.1 as the time between the end of evening civil twilight and the beginning of morning civil twilight, as published in The Air Almanac, converted to local time.

Applies when

country

United States

regulatory category

General