The following definitions shall apply for the purposes of this
article:
AIRCRAFT
Any contrivance, except an unpowered hang glider or parachute,
used for manned ascent into or flight through the air.
AIRPORT
Capital City and Harrisburg International Airports or any
other area of land or water which is used, or intended to be used,
for the landing and takeoff of aircraft and any appurtenant areas
which are used, or intended to be used, for airport buildings or air
navigation facilities or rights-of-ways, together with all airport
buildings and facilities thereon. As used herein, the term "airport"
includes public airports but excludes private airports and heliports.
Public and private airports are defined separately in this section.
AIRPORT ELEVATION
The highest point of an airport's usable landing area,
measured in feet above sea level, which is:
A.
Capital City Airport: 347 feet.
B.
Harrisburg International Airport: 310 feet.
AIRPORT HAZARD
Any structure or object, natural or man-made, or use of land
which obstructs the airspace required for flight or aircraft in landing
or taking off at an airport or is otherwise hazardous as defined by
"airport hazard" in 74 Pa.C.S.A. § 5102.
AIRPORT HAZARD AREA
Any area of land or water upon which an airport hazard might
be established if not prevented as provided for in this article and
Act 164 of 1984 (Pennsylvania laws relating to aviation).
APPROACH SURFACE
A surface longitudinally centered on the extended runway
center line, extending outward and upward from the end of the primary
surface and at the same slope as the approach surface zone height
limitation slope set forth in this article. In plan, the perimeter
of the approach surface coincides with the perimeter of the approach
surface zone.
CONICAL SURFACE
A surface extending outward and upward from the periphery
of the horizontal surface at a slope of 20:1 for a horizontal distance
of 4,000 feet.
DEPARTMENT
Pennsylvania Department of Transportation.
FAA
Federal Aviation Administration of the United States Department
of Transportation.
HEIGHT
For the purpose of determining the height limits on all AP Airport Overlay District Zones set forth in this article and shown on the Airport
Zoning Map, the datum shall be mean sea level elevation unless otherwise
specified.
HORIZONTAL SURFACE
A horizontal plane 150 feet above the established airport
elevation, the perimeter of which, in plan, coincides with the perimeter
of the horizontal surface zone.
LARGER THAN UTILITY RUNWAY
A runway that is constructed for and intended to be used
by propeller-driven aircraft of greater than 12,500 pounds maximum
gross weight and jet-powered aircraft.
NONCONFORMING USE
A use, whether of land, of an object of natural growth, or
of structure, which does not comply with the applicable use provisions
in this article, or amendment heretofore or hereafter enacted, where
such use was lawfully in existence prior to the enactment of this
article or amendment or prior to the application of this article or
amendment to its location by reason of annexation.
NONPRECISION INSTRUMENT RUNWAY
A runway having an existing instrument approach procedure
utilizing air navigation facilities with only horizontal guidance,
or area-type navigation equipment, for which a straight-in nonprecision
instrument approach procedure has been approved or planned.
OBSTRUCTION
Any structure, growth, or other object, including a mobile
object, which exceeds a limiting height set forth in this article.
PERSON
An individual, firm, partnership, corporation, company, association,
joint-stock association, governmental entity, or other legal entity;
includes a trustee, a receiver, an assignee, or a similar representative
of any of them.
PRECISION INSTRUMENT RUNWAY
A runway having an existing instrument approach procedure
utilizing an instrument landing system (ILS) or a precisions approach
radar (PAR). It also means a runway for which a precision approach
system is planned and is so indicated on an approved airport layout
plan or any other planning document.
PRIMARY SURFACE
A surface longitudinally centered on a runway. When the runway
has a specially prepared hard surface, the primary surface extends
200 feet beyond each end of that runway. For military runways or when
the runway has no specially prepared hard surface, or planned hard
surface, the primary surface ends at each end of that runway. The
width of the primary surface is set forth in this article. The elevation
of any point on the primary surface is the same as the elevation of
the nearest point on the runway center line.
PRIVATE AIRPORT
An airport which is privately owned and which is not open
or intended to be open to the public as defined in 74 Pa.C.S.A. § 5102.
PUBLIC AIRPORT
An airport which is either publicly or privately owned and
which is open to the public as defined in 74 Pa.C.S.A. § 5102.
RUNWAY
A defined area on an airport prepared for landing and takeoff
of aircraft along its length.
STRUCTURE
Any man-made object having an ascertainable stationary location
on or in land or water, or being mobile, whether or not affixed to
the land, including, without limitation, buildings, towers, cranes,
smokestacks, earth formations and overhead transmission lines, but
not including trellises, birdbaths, mailboxes, and pole lights on
residential properties.
TRANSITIONAL SURFACES
These surfaces extend outward at ninety-degree angles to
the runway center line and the runway center line extended at a slope
of seven feet horizontally for each foot vertically from the sides
of the primary and approach surfaces to where they intersect the horizontal
and conical surfaces. Transitional surfaces for those portions of
the precision approach surfaces, which project through and beyond
the limits of the conical surface, extend a distance of 5,000 feet,
measured horizontally from the edge of the approach surface, and at
ninety-degree angles to the extended runway center line.
TREE
An object of natural growth that may have a mature height
greater than 25 feet.
UTILITY RUNWAY
A runway that is constructed for and intended to be used
by propeller-driven aircraft of 12,500 pounds maximum gross weight
or less.
VISUAL RUNWAY
A runway intended solely for the operation of aircraft using
visual approach procedures.
The AP Airport Overlay District, as provided on the Airport
Surface Zones Map, shall serve as an overlay to all of the applicable underlying
zoning districts. The Airport Overlay District regulations shall apply
in addition to the underlying district regulations. If the overlay
and underlying district regulations conflict regarding the same matter,
the regulation that is most restrictive upon use, height and development
shall apply.
There are hereby created and established certain zones which
include all of the land lying beneath the approach surfaces, transitional
surfaces, horizontal surfaces and conical surfaces as they apply to
the Capital City Airport and the Harrisburg International Airport.
Such zones are shown on the Capital City Airport and Harrisburg International
Airport Height Limitation and Zoning District Maps prepared by Robert
Kimball and Associates in association with the Pennsylvania Bureau
of Aviation and dated 1989, which are incorporated herein by reference
and thereby made a part hereof. An area located in more than one of the following zones
is considered to be only in the zone with the more restrictive height
limitation. The various zones are hereby established and defined as
follows:
A. Utility runway visual approach surface zone: established beneath
the visual approach surface. The inner edge of this zone coincides
with the width of the primary surface and is 250 feet wide. The zone
expands outward uniformly to a width of 1,250 feet at a horizontal
distance of 5,000 feet from the primary surface. Its center line is
the continuation of the center line of the runway.
B. Utility runway nonprecision instrument approach surface zone: established
beneath the nonprecision instrument approach surface. The inner edge
of this zone coincides with the width of the primary surface and is
500 feet wide. The zone expands outward uniformly to a width of 2,000
feet at a horizontal distance of 5,000 feet from the primary surface.
Its center line is the continuation of the center line of the runway.
C. Runway larger than utility visual approach surface zone: established
beneath the visual approach surface. The inner edge of this zone coincides
with the width of the primary surface and is 500 feet wide. The zone
expands outward uniformly to a width of 1,500 feet at a horizontal
distance of 5,000 feet from the primary surface. Its center line is
the continuation of the center line of the runway.
D. Runway larger than utility with a visibility minimum greater than
3/4 mile nonprecision instrument approach surface zone (Capital City
Airport): established beneath the nonprecision instrument approach
surface. The inner edge of this zone coincides with the width of the
primary surface and is 500 feet wide. The zone expands outward uniformly
to a width of 3,500 feet at a horizontal distance of 10,000 feet from
the primary surface. Its center line is the continuation of the center
line of the runway.
E. Runway larger than utility with a visibility minimum as low as 3/4
mile nonprecision instrument approach surface zone: established beneath
the nonprecision instrument approach surface. The inner edge of this
zone coincides with the width of the primary surface and is 1,000
feet wide. The zone expands outward uniformly to a width of 4,000
feet at a horizontal distance of 10,000 feet from the primary surface.
Its center line is the continuation of the center line of the runway.
F. Precision instrument runway approach surface zone (Harrisburg International
Airport): established beneath the precision instrument approach surface.
The inner edge of this zone coincides with the width of the primary
surface and is 1,000 feet wide. The zone expands outward uniformly
to a width of 16,000 feet at a horizontal distance of 50,000 feet
from the primary surface. Its center line is the continuation of the
center line of the runway.
G. Transitional surface zones: established beneath the transitional
surfaces adjacent to each runway and approach surface as indicated
on the Height Limitation and Zoning District Map.
H. Horizontal surface zone: established beneath the horizontal surface,
150 feet above the established airport elevation, the perimeter of
which is constructed by swinging arcs of 5,000 feet and 10,000 feet
radii from the center of each end of the primary surface of each runway
and connecting the adjacent arcs by drawing lines tangent to those
arcs. The radius of each arc is 5,000 feet for all runways designated
as utility or visual and 10,000 feet for all other runways. The radius
of the arc specified for each end of a runway will have the same arithmetical
value. The value will be the highest determined for either end of
the runway. When a five-thousand-foot arc is encompassed by tangents
connecting two adjacent ten-thousand-foot arcs, the five-thousand-foot
arc shall be disregarded on the construction of the perimeter of the
horizontal surface. The horizontal surface zone does not include the
approach surface and transitional surface zones.
I. Conical surface zone: established beneath the conical surface. This
zone commences at the periphery of the horizontal surface and extends
outward therefrom a horizontal distance of 4,000 feet.
Except as otherwise provided in this article, no structure shall
be erected, altered, or maintained and no tree shall be allowed to
grow in any zone created by this article to a height in excess of
the applicable height limit herein established for such zone. Such
applicable height limitations are hereby established for each of the
zones in question as follows:
A. Utility runway visual approach surface zone: slopes 20 feet outward
for each foot upward beginning at the end of and at the same elevation
as the primary surface and extending to a horizontal distance of 5,000
feet along the extended runway center line.
B. Utility runway nonprecision instrument approach surface zone: slopes
20 feet outward for each foot upward beginning at the end of and at
the same elevation as the primary surface and extending to a horizontal
distance of 5,000 feet along the extended runway center line.
C. Runway larger than utility visual approach surface zone: slopes 20
feet outward for each foot upward beginning at the end of and at the
same elevation as the primary surface and extending to a horizontal
distance of 5,000 feet along the extended runway center line.
D. Runway larger than utility with a visibility minimum greater than
3/4 mile nonprecision instrument approach surface zone (Capital City
Airport): slopes 34 feet outward for each foot upward beginning at
the end of and at the same elevation as the primary surface and extending
to a horizontal distance of 10,000 feet along the extended runway
center line.
E. Runway larger than utility with a visibility minimum as low as 3/4
mile nonprecision instrument approach surface zone: slopes 34 feet
outward for each foot upward beginning at the end of and at the same
elevation as the primary surface and extending to a horizontal distance
of 10,000 feet along the extended runway center line.
F. Precision instrument runway approach surface zone (Harrisburg International
Airport): slopes 50 feet outward for each foot upward beginning at
the end of and at the same elevation as the primary surface and extending
to a horizontal distance of 10,000 feet along the extended runway
center line; thence slopes upward 40 feet horizontally for each foot
vertically to an additional horizontal distance of 40,000 feet along
the extended runway center line.
G. Transitional surface zones: slopes seven feet outward for each foot
upward beginning at the sides of and at the same elevation as the
primary surface and the approach surface and extending to a height
of 150 feet above the airport elevation which is (Capital City Airport:
347 feet; Harrisburg International Airport: 310 feet) above mean sea
level. In addition to the foregoing, when an airport has a precision
instrument runway approach zone, there are established height limits
sloping seven feet outward for each foot upward beginning at the sides
of and at the same elevation as the approach surface and extending
to where they intersect the conical surface. Where the precision instrument
runway approach zone projects beyond the conical zone, there are established
height limits sloping seven feet outward for each foot upward beginning
at the sides of and at the same elevation as the approach surface
and extending a horizontal distance of 5,000 feet measured at ninety-degree
angles to the extended runway center line.
H. Horizontal surface zone: established at 150 feet above the established
airport elevation or at a height of 497 feet, for areas relating to
Capital City Airport, and 460 feet, for areas relating to the Harrisburg
International Airport, above mean sea level.
I. Conical surface zone: slopes 20 feet outward for each foot upward
beginning at the periphery of the horizontal surface and at 150 feet
above the established airport elevation and extending to a height
of 350 feet above the established airport elevation or at a height
of 697 feet (Capital City Airport) and 660 feet (Harrisburg International
Airport) above mean sea level.
J. Excepted height limitations. Nothing in this article shall be construed
as prohibiting the construction or maintenance of any structure or
growth of any tree to a height up to 75 feet above the surface of
the land.
The Zoning Hearing Board shall, in addition to the other powers
granted to it, have and exercise the following powers:
A. To hear
and decide appeals from any order, requirement, decision, or determination
made by the Zoning Officer in the enforcement of this article;
B. To hear
and decide special exceptions to the terms of this article, upon which
such Zoning Hearing Board may be required to pass; and
C. To hear
and decide specific variances.