San Marcos Regional Airport

San Marcos Regional Airport
USGS aerial photo - 28 January 1995
Summary
Airport typePublic
Owner/OperatorCity of San Marcos
ServesSan Marcos, Texas
LocationSan Marcos, Caldwell County, Texas, U.S.
Elevation AMSL595 ft / 181 m
Coordinates29°53′34″N 097°51′47″W / 29.89278°N 97.86306°W / 29.89278; -97.86306
Map
KHYI/HYI
Location of airport in Texas / United States
KHYI/HYI
KHYI/HYI (the United States)
Runways
Direction Length Surface
ft m
08/26 6,330 1,929 Asphalt
13/31 5,601 1,707 Asphalt
17/35 5,214 1,589 Asphalt
Statistics (2023)
Aircraft operations (year ending 6/5/2023)91,849
Based aircraft219

San Marcos Regional Airport (ICAO: KHYI, FAA LID: HYI) is a public use airport located in Caldwell County, Texas, United States. It is 4 nmi (7.4 km) east of the central business district of San Marcos, a city that is mostly in Hays County. The airport is owned by the City of San Marcos and operated by Texas Aviation Partners. It is located east of the border of Caldwell County and Hays County. Before it was operated as a civilian airport it was known as Gary Air Force Base.

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, San Marcos Regional Airport is assigned HYI by the FAA but has no designation from the IATA.