Air Traffic Control Tower

The San Marcos Air Traffic Control Tower opened October 1, 2011 and management has received highly positive feedback from tenants and users regarding their friendliness and willingness to help.

The tower is open from 7 a.m. to 7 p.m., 7 days a week.

CTAF: 126.825
Ground: 120.125

AWOS: 120.825
AWOS Dial-In: 512.353.8005

IFR clearance will be obtained through the tower during operating hours. Contact Austin Approach directly when the tower is closed.
Austin Approach: 119.0
San Marcos Air Traffic Control Tower

Movement Area


In conjunction with the tower opening, a movement area on the ramp was created. Before a pedestrian or vehicle can enter the movement area, they must first obtain permission from the tower via the ground frequency. Any vehicle on the airfield must be equipped with flashing lights and radio.