FAA INFORMATION EFFECTIVE 22 JANUARY 2026
Location
| FAA Identifier: | HYI |
| Lat/Long: | 29-53-33.9000N 097-51-46.8000W 29-53.565000N 097-51.780000W 29.8927500,-97.8630000 (estimated) |
| Elevation: | 594.7 ft. / 181.3 m (surveyed) |
| Variation: | 07E (1985) |
| From city: | 31 miles S of AUSTIN, TX |
| Time zone: | UTC -6 (UTC -5 during Daylight Saving Time) |
| Zip code: | 78656 |
Airport Operations
| Airport use: | Open to the public |
| Activation date: | 05/1965 |
| Control tower: | yes |
| ARTCC: | HOUSTON CENTER |
| FSS: | SAN ANGELO FLIGHT SERVICE STATION |
| NOTAMs facility: | HYI (NOTAM-D service available) |
| Attendance: | 0700-2100 FOR AFT HRS SVC 800-229-2379. CALL-IN FEE. |
| Wind indicator: | lighted |
| Segmented circle: | yes |
| Lights: | MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF. |
| Beacon: | white-green (lighted land airport) Operates sunset to sunrise. |
Airport Communications
| CTAF: | 126.825 |
| ATIS: | 120.825 |
| WX AWOS-3PT: | PHONE 512-353-8005 |
| SAN MARCOS GROUND: | 120.125 [0700-2100 EFF 01 APR 2021] |
| SAN MARCOS TOWER: | 126.825 [0700-2100 EFF 01 APR 2021] |
| AUSTIN APPROACH: | 119.0 |
| AUSTIN DEPARTURE: | 119.0 |
| CLEARANCE DELIVERY: | 121.35 ;WHEN HYI TWR CLSD 120.125 |
| AEROZ DP: | 119.0 |
| BLEWE STAR: | 127.225 |
| BNDIA DP: | 119.0 |
| ELOEL DP: | 119.0 |
| GABOO STAR: | 127.225 |
| ILEXY DP: | 119.0 |
| MUCKY DP: | 119.0 |
| POTRR STAR: | 127.225 |
| SAYBR DP: | 119.0 |
| SZAGI STAR: | 118.15 ;SFC-7000 FT 119.0 ;8,000-12,000 FT |
| WX ASOS at BAZ (15 nm SW): | 119.325 (830-629-7979) |
Nearby radio navigation aids
| VOR radial/distance | | VOR name | | Freq | | Var |
| RNDr039/31.4 | | RANDOLPH VORTAC | | 112.30 | | 05E |
| CWKr205/33.9 | | CENTEX VORTAC | | 112.80 | | 06E |
| SATr056/34.6 | | SAN ANTONIO VORTAC | | 116.80 | | 08E |
| NDB name | | Hdg/Dist | | Freq | | Var | | ID |
| GARYS | | 124/6.0 | | 272 | | 07E | | RU | .-. ..- |
Airport Services
| Fuel available: | 100LL JET-A+ 100LL:100LL SELF SVC; 100 LL & JET A+ AVBL FULL SERVE. |
| Parking: | hangars and tiedowns |
| Airframe service: | MAJOR |
| Powerplant service: | MAJOR |
| Bottled oxygen: | LOW |
Runway Information
Runway 8/26
| Dimensions: | 6330 x 100 ft. / 1929 x 30 m |
| Surface: | asphalt, in good condition |
| Weight bearing capacity: | |
| Runway edge lights: | medium intensity |
| RUNWAY 8 | | RUNWAY 26 |
| Latitude: | 29-53.508392N | | 29-53.547513N |
| Longitude: | 097-52.624925W | | 097-51.427320W |
| Elevation: | 587.8 ft. | | 580.0 ft. |
| Traffic pattern: | left | | left |
| Runway heading: | 081 magnetic, 088 true | | 261 magnetic, 268 true |
| Markings: | nonprecision, in fair condition | | nonprecision, in fair condition |
| Touchdown point: | yes, no lights | | yes, no lights |
| Obstructions: | 25 ft. hangar, 201 ft. from runway, 488 ft. left of centerline 6 FT FENCE 130-199 FT DSTC, 360 FT L. | | 29 ft. crops, 732 ft. from runway, 425 ft. right of centerline, 18:1 slope to clear |
Runway 13/31
| Dimensions: | 5601 x 100 ft. / 1707 x 30 m |
| Surface: | asphalt, in good condition |
| Weight bearing capacity: | |
| Runway edge lights: | medium intensity |
| RUNWAY 13 | | RUNWAY 31 |
| Latitude: | 29-53.821778N | | 29-53.192992N |
| Longitude: | 097-52.201297W | | 097-51.424175W |
| Elevation: | 593.1 ft. | | 573.4 ft. |
| Traffic pattern: | left | | left |
| Runway heading: | 126 magnetic, 133 true | | 306 magnetic, 313 true |
| Markings: | precision, in good condition | | precision, in good condition |
| Visual slope indicator: | 2-light PAPI on left (3.00 degrees glide path) | | 2-light PAPI on left (3.00 degrees glide path) |
| Approach lights: | MALS: 1,400 foot medium intensity approach lighting system | | |
| Touchdown point: | yes, no lights | | yes, no lights |
| Instrument approach: | ILS | | |
Runway 17/35
| Dimensions: | 5214 x 100 ft. / 1589 x 30 m |
| Surface: | asphalt, in good condition |
| Weight bearing capacity: | |
| Runway edge lights: | medium intensity |
| RUNWAY 17 | | RUNWAY 35 |
| Latitude: | 29-54.101250N | | 29-53.241648N |
| Longitude: | 097-51.465007W | | 097-51.428330W |
| Elevation: | 594.5 ft. | | 575.0 ft. |
| Traffic pattern: | left | | left |
| Runway heading: | 171 magnetic, 178 true | | 351 magnetic, 358 true |
| Markings: | nonprecision, in fair condition | | nonprecision, in fair condition |
| Visual slope indicator: | 2-light PAPI on left (3.00 degrees glide path) | | |
| Touchdown point: | yes, no lights | | yes, no lights |
Airport Ownership and Management from official FAA records
| Ownership: | Publicly-owned |
| Owner: | CITY OF SAN MARCOS 630 E. HOPKINS STREET SAN MARCOS, TX 78666 Phone 512-216-6039 |
| Manager: | CASSIDY BERENATO 4400 HWY 21, SUITE 200 SAN MARCOS, TX 78666 Phone 512-216-6039 |
Additional Remarks
| - | FOR CD CTC AUSTIN APCH AT 512-369-7865. |
| - | APN ALL IREG SFC. |
| - | BIRDS AND WILDLIFE ON AND INVOF ARPT. |
| - | TSNT ACFT PRKG AVBL ON FBO RAMP ONLY. ALL OTR RAMP AREAS RESD FOR BASED ACFT OR RQR PRIOR CDN WITH ARPT MGMT. |
Instrument Procedures
NOTE: All procedures below are presented as PDF files. If you need a reader for these files, you should download the free Adobe Reader.NOT FOR NAVIGATION. Please procure official charts for flight. FAA instrument procedures published for use from 22 January 2026 at 0901Z to 19 February 2026 at 0900z.
STARs - Standard Terminal Arrivals |
| BLEWE FIVE | |
download (158KB) |
| GABOO ONE (RNAV) | |
download (128KB) |
| POTRR TWO (RNAV) | |
download (166KB) |
| SZAGI THREE (RNAV) | |
download (196KB) |
IAPs - Instrument Approach Procedures |
| ILS OR LOC RWY 13 | |
download (272KB) |
| RNAV (GPS) RWY 08 | |
download (252KB) |
| RNAV (GPS) RWY 13 | |
download (231KB) |
| RNAV (GPS) RWY 17 | |
download (248KB) |
| RNAV (GPS) RWY 26 | |
download (252KB) |
| RNAV (GPS) RWY 31 | |
download (258KB) |
| RNAV (GPS) RWY 35 | |
download (248KB) |
| NDB RWY 13 | |
download (211KB) |
| NOTE: Special Alternate Minimums apply | |
download (116KB) |
Departure Procedures |
| AEROZ TWO (RNAV) | |
download (240KB) |
| BNDIA THREE (RNAV) | |
download (232KB) |
| ELOEL THREE (RNAV) | |
download (250KB) |
| ILEXY FOUR (RNAV) | |
download (267KB) |
| MUCKY THREE (RNAV) | |
download (226KB) |
| SAYBR THREE (RNAV) | |
download (236KB) |
| NOTE: Special Take-Off Minimums/Departure Procedures apply | |
download (504KB) |
Other nearby airports with instrument procedures:
50R - Lockhart Municipal Airport (10 nm E)
KBAZ - New Braunfels National Airport (15 nm SW)
KAUS - Austin-Bergstrom International Airport (21 nm NE)
3R9 - Lakeway Airpark (29 nm N)
KRND - Randolph Air Force Base (31 nm SW)
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Road maps at:
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Google
| Aerial photo |
WARNING: Photo may not be current or correct
Photo by Charlie Thompson
Photo taken 02-Apr-2016
looking northwest.
Do you have a better or more recent aerial photo of San Marcos Regional Airport that you would like to share? If so, please send us your photo.
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| Sectional chart |
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CAUTION: Diagram may not be current
| Airport distance calculator |
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| Sunrise and sunset |
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Times for 31-Jan-2026
| | Local (UTC-6) | | Zulu (UTC) |
| Morning civil twilight | | 06:58 | | 12:58 |
| Sunrise | | 07:23 | | 13:23 |
| Sunset | | 18:07 | | 00:07 |
| Evening civil twilight | | 18:32 | | 00:32 |
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| Current date and time |
| Zulu (UTC) | 31-Jan-2026 06:45:50 |
| Local (UTC-6) | 31-Jan-2026 00:45:50 |
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| METAR |
| KHYI | 310556Z AUTO 27007KT 10SM CLR 01/M03 A3038 RMK AO2 SLP290 T00061028 10106 20006 401280006 50001 FZRANO $
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KBAZ 14nm SW | 310551Z AUTO 31006KT 10SM CLR 01/M02 A3038 RMK AO2 SLP288 T00111017 10106 20011 401280011 50003
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KSEQ 20nm S | 310555Z AUTO 00000KT 10SM CLR 02/M02 A3035 RMK AO2 SLP281 T00201016 10110 20020 401330020 53002
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| NOTAMs |
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
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