Determine height of buildings, power lines, roof layout, access points, etc.
Determine road centerlines, building footprints, property lines, etc.
View traffic flow, rights of way, zoning areas, etc. for planning.
Determine locations of signs, fire hydrants, utility poles, etc.
Measure distances to other buildings, roads, trees, etc.
Non-intrusively examine environmentally sensitive areas.
Diagram buildings prior to modification.