unrestricted visibility

unrestricted visibility

[¦ən·ri′strik·təd ‚viz·ə′bil·əd·ē]
(meteorology)
The visibility when no obstruction to vision exists in sufficient quantity to reduce the visibility to less than 7 miles (11.3 kilometers).

unrestricted visibility

The visibility when no obstruction to vision exists in sufficient quantity to reduce the visibility to less than 10 miles (16 km).
References in periodicals archive ?
The exceptionally bright moon and unrestricted visibility allowed the LSOs to break out the shape of the aircraft and use day check points to determine deviations from on-speed.
The Transport Department report said the weather in the area was good, with unrestricted visibility and little cloud and that there was no technical malfunction.
Conditions for Saturday's search were described as ideal with unrestricted visibility.
Crash investigator Frank Russell said that the weather in the Kilkenny area was good that day with unrestricted visibility and little cloud.
Metro reported the current field conditions to be 2,000-to-3,000-foot ceilings, unrestricted visibility with tempo conditions of 1,000-foot ceilings, and with visibility decreasing to two miles.
It was a typical Florida summer morning at NAS North Whiting Field--clear skies and unrestricted visibility. We were a formation flight of two that began with a brief on relative-motion techniques and formation procedures.