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Definition
specified volume of airspace where the potential for an otherwise unmitigated encounter with crewed aircraft meets an acceptable level
NOTE 1 Examples of AAE described in UK CAA CAP 2968, Consultation: Unmanned aircraft operations within an atypical air environment [11], include:
• within 30 m (100 feet) of any building or structure;
• within 15 m (50 feet) of a permanent linear structure, e.g. a railway, road or powerline; and
• within the confines of private property at a height not exceeding 15 m (50 feet), e.g. an industrial site where security personnel use a UA for perimeter inspection.
NOTE 2 Atypical air environments exist within segregated and non-segregated airspace; the main purpose of their identification is to facilitate beyond visual line of sight (BVLOS) (3.1.35) operations in non-segregated airspace.
Previous Version: 1.0 Release date: September 2023
volumes of airspace where crewed aircraft do not routinely fly and the likelihood of an otherwise unmitigated encounter with a crewed aircraft is reduced to an acceptable level
NOTE 1 Examples include airspace near manmade structures such as buildings or high voltage powerlines, or at altitudes above those achievable by most crewed civil aircraft.
NOTE 2 Atypical air environments might exist within segregated or non-segregated airspace, however the main purpose of their identification is to facilitate BVLOS operations in non-segregated airspace.
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BSI Flex 1903 v2:2024-06 community preview
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atypical air environment (AAE)
Updated