San Marcos Rgnl (KHYI) has 3 runways. All three are asphalt. The longest runway is 08/26 at 6,330 ft by 100 ft. Runway 13 has an ILS published. The field elevation is 594.7 ft MSL. The tower is in operation daily from 0700 to 2100, effective 01 APR 2021. Runway headings are 133°/313° on 13/31. Runway headings are 178°/358° on 17/35. Runway headings are 88°/268° on 08/26. No LAHSO notes are published. No noise abatement notes are published. For the current picture on winds and ceilings, check aviationweather for live METAR/TAF before you go.
Wind & favored runway
Favored end is picked from the current METAR wind at KHYI.
Pattern entry · RWY 13
LEFT TRAFFICAll runways
Traffic pattern
Pattern altitude is not published. Use standard 1,000 ft AGL for light piston unless ATC assigns otherwise. The field elevation is 594.7 ft MSL. That puts a standard light-aircraft pattern near 1,594.7 ft MSL. This is a towered field. Expect ATC to sequence the pattern and issue runway assignments. Runway-specific pattern exceptions are not published in the facts. No right-traffic note is published. No special pattern altitude note is published.
Every end, one page
Each runway end has its own page with wind component, traffic pattern geometry and ILS for that specific direction.