9.4120 Commercial Airport Safety Overlay Zone Terms.
As used in this overlay zone, unless the context requires otherwise, the following words and phrases mean:
Airport Elevation. The highest point of the Eugene Airport’s usable landing area measured in feet from sea level.
Airspace Plan. A plan shown as Sheet Number 6 and 7 of 13 of the Airport Layout Plan and identified as being part of the 2000 Eugene Airport Master Plan on file in the Eugene Department of Public Works and at the Eugene Permit and Information Center. (Refer to Map 9.4120 Airspace Plan.)
Centerpoint Coordinates. In this overlay zone, the centerpoint coordinates at the ends of each runway primary surface have the following plan coordinates (from the Oregon Coordinate System of 1927, South Zone) and elevations (from the 1929 North American Vertical Datum):
|
Table 9.4120 Centerpoint Coordinates | |||
|---|---|---|---|
Runway |
Centerpoint North (1927 OCS) | Coordinates East (1927 OCS) | Centerpoint Elevations in Feet Above Mean Sea Level (1929 NAVD) |
16R – | 911,405 | 1,286,499 |
356 |
34L | 902,212 | 1,286,300 |
361 |
16L – | 910,367 | 1,290,774 |
370 |
34R | 904,370 | 1,290,649 |
355 |
3 – | 904,559 | 1,284,617 |
365.5 |
21 | 908,000 | 1,288,540 |
359 |
Hazard to Air Navigation. An obstruction determined to have a substantial adverse effect on the safe and efficient use of navigable airspace.
Obstruction. Any structure, growth, or other object, including a mobile object, which exceeds a limiting height as set forth in this overlay zone.
Primary Surface. A surface longitudinally centered on a runway. The primary surface extends 200 feet beyond each end of the runway. The width of the primary surface is set forth in the airport sector descriptions in this overlay zone. The elevation of any point on a primary surface is the same as the elevation of the nearest point on the runway centerline.
Runway. A defined area in the Eugene Airport Master Plan that is prepared for aircraft landing and take-off along its length.
Structure. An object, including a mobile object, constructed or installed by a human being(s), including but not limited to buildings, towers, cranes, smokestacks, earth formations, and overhead transmission lines.