San Marcos Regional Airport (HYI)

Located between Austin and San Antonio, the San Marcos Regional airport (KHYI) has three runways. Its part-time control tower operates between 7 a.m. to 7 p.m. daily, after which the airfield remains open. Below are the taxi diagram and movement areas at KHYI:




Skyport FBO

Black Hound Aviation is located in the building formerly known as the Redbird Skyport Fixed Base Operation (FBO) just west of the control tower. (see the building with the two red roofs in the below picture.)

Call us or text us at: 


Open 7 days a week:

Call or text anytime! 


Our office is located at the

San Marcos Regional Airport (KHYI) 

Formerly Redbird Skyport FBO 

2080 Airport Dr, San Marcos, TX 78666


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