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SAN MARCOS RGNL - Airport Diagram
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KHYI
ICAO KHYIIATA HYILocal HYI
SAN MARCOS RGNL
PublicPUB

31 miles S of AUSTIN, TX, US
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
29° 53' 34"N 97° 51' 47"W
Elevation
595' MSL
Pattern Alt
1595' MSL
Mag Variation
3°E
Declination
7°E
Fuel
JET A (FSII), 100LL
FSS
SAN ANGELO (SJT)
Sectional
SAN ANTONIO
ARTCC
HOUSTON (ZHU)
Data Effective
5/14/26-6/11/26
KHYI VFR
6:56 PM CDT  
Clear
10sm
85°F
66°F
29.87"Hg
160° 12kts
AO2 SLP107 T02940189 10328 20294 55006
METAR KHYI 152356Z 16012KT 10SM CLR 29/19 A2987 RMK AO2 SLP107 T02940189 10328 20294 55006
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KHYI FBOs

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Berry Aviation
UNICOM: 131.15
Phone: (512) 353-2379
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Titan
As of 5/12
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 7.56
Full Serve 8.56 7.88
Fuel Notes
Prices include tax
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Weather and Advisory

ATIS 120.825
(512) 353-8005
AWOS-3PT (512) 353-8005

Common

CTAF 126.825
MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF.

Clearance

Clearance Delivery 120.125
Clearance Delivery 121.35
WHEN HYI TWR CLSD

Ground

SAN MARCOS GROUND 120.125
0700-2100 EFF 01 APR 2021

Tower

SAN MARCOS TOWER 126.825
0700-2100 EFF 01 APR 2021

Arrival

BLEWE STAR 127.225
GABOO STAR 127.225
POTRR STAR 127.225
SZAGI STAR 118.15
SFC-7000 FT
SZAGI STAR 119.0
8,000-12,000 FT

Approach

AUSTIN APPROACH 119.0

Departure

AEROZ DP 119.0
AUSTIN DEPARTURE 119.0
BNDIA DP 119.0
ELOEL DP 119.0
ILEXY DP 119.0
MUCKY DP 119.0
SAYBR DP 119.0

Terminal Area Forecast

KAUS (20nm)
Fri, 5/15 6:20 PM CDT
Fri, 5/15 7:00 PM CDT - Sun, 5/17 1:00 AM CDT
VFR
7:00 PM CDT - 8:00 PM CDT
Broken 25,000'
Few 4,000'
6sm
170° 14kts
Gusts 24kts
VFR
8:00 PM CDT - 2:00 AM CDT
Broken 25,000'
6sm
160° 12kts
MVFR
2:00 AM CDT - 10:00 AM CDT
Broken 1,500'
6sm
160° 8kts
VFR
10:00 AM CDT - 1:00 AM CDT
Broken 3,500'
6sm
170° 14kts
Gusts 24kts
TAF KAUS 152320Z 1600/1706 17014G24KT P6SM FEW040 BKN250
   FM160100 16012KT P6SM BKN250
   FM160700 16008KT P6SM BKN015
   FM161500 17014G24KT P6SM BKN035
KHYI
EffectiveExpiresCategoryNOTAM
Domestic
5/15/26
1538Z
8/13/26
0400Z
!HYI 05/006 HYI OBST TOWER LGT (ASR 1227830) 295929.10N0974509.40W (8.3NM NE HYI) 841.9FT (254.9FT AGL) U/S 2605151538-2608130400
5/11/26
1049Z
8/9/26
2359Z
!HYI 05/003 HYI OBST TOWER LGT (ASN 2021-ASW-518-OE) 295319N0975458W (2.8NM W HYI) 741FT (150FT AGL) U/S 2605111049-2608092359
5/1/26
1013Z
!HYI 05/001 HYI SVC AUTOMATED WX BCST SYSTEM NOT AVBL 2605011013-2606042359EST
4/21/26
1106Z
7/21/26
0400Z
!HYI 04/008 HYI OBST TOWER LGT (ASR 1210862) 295738.70N0980544.10W (12.8NM WNW HYI) 1396.0FT (254.9FT AGL) U/S 2604211106-2607210400
4/11/26
0700Z
5/26/26
0400Z
!HYI 04/003 HYI OBST TOWER LGT (ASR 1039468) 295832.80N0980539.00W (13.1NM WNW HYI) 1319.9FT (419.9FT AGL) U/S 2604110700-2605260400
3/27/26
2102Z
5/27/26
2359Z
!HYI 03/017 HYI OBST WATERTOWER LGT (ASN 2024-ASW-7674-OE) 295702N0975106W (3.5NM NE HYI) 872FT (204FT AGL) U/S 2603272102-2605272359
3/5/26
0054Z
6/4/26
2359Z
!HYI 03/002 HYI OBST TOWER LGT (ASR 1322857) 295911.90N0975229.60W (5.65NM NNW HYI) 943FT (223FT AGL) U/S 2603050054-2606042359
11/25/25
1512Z
!HYI 11/013 HYI NAV ILS RWY 13 OM U/S 2511251512-2605262111EST
FDC
5/14/26
1405Z
!FDC 6/0348 HYI IAP SAN MARCOS RGNL, AUSTIN, TX.
RNAV (GPS) RWY 13, AMDT 2C...
RNAV (GPS) RWY 17, ORIG-C...
RNAV (GPS) RWY 26, ORIG-B...
RNAV (GPS) RWY 31, ORIG-B...
RNAV (GPS) RWY 35, ORIG-B...
RNAV (GPS) RWY 8, ORIG-C...
CIRCLING CAT C MDA 1260/HAA 665.
TEMPORARY CRANE, 910 MSL, 3.12 NM SE OF KHYI AIRPORT (2023-ASW-17979-OE).
2605141405-2612241405EST
Military
5/14/26
0901Z
6/11/26
0900Z
[US DOD DAFIF ONLY] INSTRUMENT APPROACH PROCEDURE; NDB RWY 13 UNUSABLE.
Yes
0700-2100
FOR AFT HRS SVC 800-229-2379. CALL-IN FEE.
CITY OF SAN MARCOS
630 E. HOPKINS STREET
SAN MARCOS, TX 78666
Phone: 512-216-6039
CASSIDY BERENATO
4400 HWY 21 SUITE 200
SAN MARCOS, TX 78666
Phone: 512-216-6039
SAN ANGELO FSS (SJT)
Toll Free: 1-800-WX-BRIEF
HYI
--
MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF.
N/A
Yes - Lighted
Yes
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
Low Pressure
None
Avionics
Charter Service
Pilot Instruction
Aircraft Rental
Aircraft Sales

Runway 08/26

6330 ft. x 100 ft.
ASPH  
Good 
NONE 
MED 
 
80,000lbs 
-- 
-- 
-- 
  Runway 08 Runway 26
True Heading 88°268°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition FAIR FAIR
Latitude 29° 53' 31"N 29° 53' 33"N
Longitude 97° 52' 37"W 97° 51' 26"W
Elevation 588' 580'
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights

Runway 13/31

5601 ft. x 100 ft.
ASPH  
Good 
NONE 
MED 
 
60,000lbs 
-- 
-- 
-- 
  Runway 13 Runway 31
True Heading 133°313°
Traffic Pattern Left Left
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 29° 53' 49"N 29° 53' 12"N
Longitude 97° 52' 12"W 97° 51' 25"W
Elevation 593' 573'
Threshold Crossing Height 57 ft. AGL 60 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P2L P2L
Approach Lights MALS
Centerline Lights
Runway End Identifier Lights

Runway 17/35

5214 ft. x 100 ft.
ASPH  
Good 
NONE 
MED 
 
20,000lbs 
-- 
-- 
-- 
  Runway 17 Runway 35
True Heading 178°358°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition FAIR FAIR
Latitude 29° 54' 06"N 29° 53' 14"N
Longitude 97° 51' 28"W 97° 51' 26"W
Elevation 594' 575'
Threshold Crossing Height 55 ft. AGL --
Visual Glide Path Angle 3° --
Visual Slope Indicator P2L --
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-3FOR CD CTC AUSTIN APCH AT 512-369-7865.
A110-4APN ALL IREG SFC.
A110-5BIRDS AND WILDLIFE ON AND INVOF ARPT.
A110-6TSNT ACFT PRKG AVBL ON FBO RAMP ONLY. ALL OTR RAMP AREAS RESD FOR BASED ACFT OR RQR PRIOR CDN WITH ARPT MGMT.
A17-H1FOR AFT HRS SVC 800-229-2379. CALL-IN FEE.
A58-086 FT FENCE 130-199 FT DSTC, 360 FT L.
A70-100LL100LL SELF SVC; 100 LL & JET A+ AVBL FULL SERVE.
A81-APTMALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST; TO ACTVT AND INCR INTST - CTAF.
E111ESTABLISHED PRIOR TO 1940.
SAN MARCOS RGNL (ICAO: KHYI, IATA: HYI) is a public airport located in AUSTIN, TX, US.