a transition maneuver in which the helicopter is flown from traffic pattern altitude to a hover at normal hovering altitude and with zero groundspeed

The distance measured along a line of travel from the point where an advertising unit first becomes fully visible to the point where the copy is no longer readable.

Transition area from the street to the driveway.

The area along a street or sidewalk from where a sign first becomes visible until the display is no longer readable as the viewer passes by.

The area between the sidewalk and the street that leads to a driveway or the transition from the street as you approach a driveway.

The distance measured along the line of travel from the point where the structure first becomes visible to the point where copy is no longer readable.