Function, visibility controller; reference data, ti-6560.71, awss, pg 19-4
A computer for determining the distance that can be seen by an observer, such as an aircraft pilot, to a predetermined point, such as the approach end of an airport runway. It is a component of a meteorological system for establishing criteria during the approach phase of an instrument landing under marginal or zero visibility conditions. See also computer, air traffic control.
Classification: Parts and accessories for surveying
NSN 6620-01-133-4193
NSN 5835-01-126-9358
NSN 4140-01-209-5335
NSN 5895-01-509-7743
NSN 5835-00-387-4759
NSN 5960-01-380-0885
NSN 5895-01-316-3148
NSN 5996-01-542-9499
NSN 6610-00-456-0485
NSN 5905-00-321-7862
NSN 5935-01-466-7161
NSN 5835-01-645-2892