San Marcos Airport (KHYI) Hays County (TX)

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San Marcos Airport (KHYI)
City: Austin
County: Hays
State: Texas
ARTCC: Houston

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Welcome to the San Marcos Airport (KHYI) aviation article, the airport located in Hays County, Texas.
This is where you, the user, may index any articles, frequencies-lists, etc. that you develop for scanning related topics for this airport.


San Marcos Municipal Airport, KHYI, at an elevation of 597' (AMSL), serves the Hays and Caldwell County areas.

The airport serves as a Wing HQ for the Centex Wing of the Commemorative Air Force as well as the Col. John Stokes Memorial Library.

KHYI also houses the SWR-TX-435 Texas Hill Composite Squadron of the Civil Air Patrol. CAP HQ Callsign is "Texas CAP 5450."


Frequency Input License Type Tone Out Tone In Alpha Tag Description Mode Tag
121.3500 KHYI Clearance AM
123.0500 CTAF / UNICOM AM
120.8250 AWOS AM
122.6000 Commemorative Air Force Common AM


San Marcos Municipal Airport/KHYI

San Marcos Municipal Airport runways

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