Transitional zone definition

Transitional zone means all that land which lies directly under an imaginary surface extending upward and outward at ninety degree (90°) angles to the runway centerline and the runway centerline extended at a slope of seven to one (7 to 1) from the sides of the primary surface and from the sides of the approach surfaces. Transitional surfaces for those portions of the precision approach surface which project through and beyond the limits of the conical surface, extend a distance of five thousand feet (5,000') measured horizontally from the edge of the approach surface and at right angles to the runway centerline. The transitional surface for the precision approach extends upwards and outward at a slope of seven to one (7 to 1) until it intersects a plane five hundred feet (500') above the airport elevation, at which time it becomes a plane five hundred feet (500') above the airport elevation.
Transitional zone means all the land which lies directly under an imaginary surface extending upward and outward at right angles to the runway centre line and centre line extended at a slope of seven to one from the sides of
Transitional zone means the land lying under those surfaces extending outward and upward at right angles to the runway centerline and the runway centerline extended at a slope of seven to one from the sides of the primary surface and from the sides of the approach surfaces. No structure shall exceed the transitional surface, as depicted on the municipal airport height zoning map.