FAA Airport Profile

SAN MARCOS RGNL

AUSTIN, TX · FAA ID HYI · ICAO KHYI

FAA NASR cycle October 1, 2026 · Open public-use airport
FAA identifierHYI
ICAO identifierKHYI
City / StateAUSTIN, TX
CountyCALDWELL
Elevation594.7 ft MSL
Sectional chartSAN ANTONIO
Control towerYes / ATCT
Runways

Published runway information

RunwayLengthWidthSurfaceConditionLights
08/266,330 ft100 ftASPHGOODMED
13/315,601 ft100 ftASPHGOODMED
17/355,214 ft100 ftASPHGOODMED
Additional FAA fields

Facility information

Other servicesAVNCS,CHTR,INSTR,RNTL,SALES
Customs / landing rights indicatorNo
Landing fee indicatorNo
NPIAS / federal agreement codeNGPY
Airport reference point29.892750, -97.863000
Not for navigation. This page is a discovery/reference profile built from a published FAA data cycle. Airport conditions, runway availability, NOTAMs and procedures can change. Use current FAA charts, NOTAMs and approved flight-planning sources before flight.