ground visibility


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ground visibility

Prevailing horizontal visibility near the Earth's surface as reported by an accredited observer.
References in periodicals archive ?
Note that both flight and ground visibility must be at least 1 SM.
Both the perspective views and ground visibility cones move in real time under joy-stick control.
Lakehead's primary objectives in keeping clean ROWs include ease of accessibility for maintenance, complete ground visibility for helicopter patrols, ease of locating potential problems, complete grass conversion within the easement and improved wildlife habitat.
For pilots, this table specifically applies to ground visibility, which is a regulatory requirement for commercial operators versus flight visibility, which is required to descend below DA/MDA.