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150/5300-13A - Draft Change X to AC 150/5300-13A, Airport Design

Date Issued
July 29, 2013
Responsible Office
AAS-100,  Office of Airport Safety & Standards - Airport Engineering Division

The draft Airport Design Change X contains improvements primarily to Chapter 4, Taxiway Design. It revises the fillet geometry with slight expansion on the taxiway fillet information including adjustments to the Taxiway Design Groups (TDG) limits. It also includes a new Appendix 8 -Taxiway Fillet Design (Rationale). We chose to expand on guidance to fillet design for existing taxiway-to-taxiway and taxiway-to-runway separation. In addition, an updated Approach Runway and Departure Runway Design Codes replaces current Runway Reference Code (RRC) in Chapter 3.