Austin City Code § 25-13-21 IMAGINARY SURFACES AND AIRPORT HAZARD ZONES DESCRIBED.
§ 25-13-21 - IMAGINARY SURFACES AND AIRPORT HAZARD ZONES DESCRIBED.
(A) Code of Federal Regulations Title 14, Part 77, Subpart C establishes the following imaginary surfaces for the airport:
(1) approach surface;
(2) conical surface;
(3) horizontal surface;
(4) primary surface; and
(5) transitional surface.
(B) Airport hazard zones are established as follows:
(1) land beneath an approach surface is included in an approach zone;
(2) land beneath a conical surface is included in a conical zone;
(3) land beneath a horizontal surface is included in a horizontal zone; and
(4) land beneath a transitional surface is included in a transitional zone.
(C) The airport hazard zones described in this section are depicted on an Airport Hazard Zone Map on file with the City Department of Aviation.
Source: Ord. 010809-78; Ord. 031211-11.
