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FAA HYI GPS KHYI Medium airport

San Marcos Regional Airport

San Marcos · Texas · United States

Location

Town: San Marcos
Region: Texas
Country: United States
Elevation: 597 ft
Latitude: 29.8927
Longitude: -97.8630

Observed traffic

Departures (30 d): 2,089
Arrivals (30 d): 1,807
All observed flights: 3,896
Last seen: October 30, 2026

Facility

Type: Medium airport
Scheduled service: No
Longest runway: 6,330 ft
Also known as: —

Runways

Runway	Length	Width	Surface	Lighted	Headings
08 / 26	6,330 ft	100 ft	ASP	Yes	088° / 268°
13 / 31	5,601 ft	100 ft	ASP	Yes	133° / 313°
17 / 35	5,214 ft	100 ft	ASP	Yes	178° / 358°

Frequencies

Type	Description	MHz
A/D	AUSTIN APP/DEP	119.000
AWOS	AWOS 3	120.825
CLD	CLNC DEL	121.350
UNIC	CTAF/UNICOM	123.050

Wikipedia Airport data from OurAirports (public domain).