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KHYI
SAN MARCOS RGNL
PublicPUB

31 miles S of AUSTIN, TX
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
29° 53' 34"N 97° 51' 47"W
595' MSL
1595' MSL
07E
JET A, 100LL
SAN ANGELO (SJT)
SAN ANTONIO
HOUSTON (ZHU)
4/17/25-5/15/25
KHYI VFR
11:56 PM CST  
Clear
10sm
51°F
41°F
30.31"Hg
Calm
AO2 SLP260 T01060050 10200 20106 402610061 50005 $
METAR KHYI 040556Z 00000KT 10SM CLR 11/05 A3031 RMK AO2 SLP260 T01060050 10200 20106 402610061 50005 $
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Processing 
-- 126.825

ATIS

ATIS
512-353-8005
 120.825

Clearance Delivery

CD/P
 120.125

Ground

GND/P
 120.125

Tower

LCL/P
 126.825

Terminal Area Forecast

KAUS (21nm)
Mon, 11/3 11:21 PM CST
Tue, 11/4 12:00 AM CST - Wed, 11/5 6:00 AM CST
VFR
7:00 AM CST - 11:00 AM CST
Few 2,000'
6sm
180° 5kts
VFR
11:00 AM CST - 7:00 PM CST
Sky Clear
6sm
190° 11kts
VFR
7:00 PM CST - 6:00 AM CST
Sky Clear
6sm
170° 4kts
VFR
12:00 AM CST - 7:00 AM CST
Sky Clear
6sm
VRB° 3kts
TAF KAUS 040521Z 0406/0512 VRB03KT P6SM SKC
   FM041300 18005KT P6SM FEW020
   FM041700 19011KT P6SM SKC
   FM050100 17004KT P6SM SKC
KHYI
EffectiveExpiresCategoryNOTAM
Domestic
10/26/25
0020Z
1/23/26
0400Z
!HYI 10/016 HYI OBST TOWER LGT (ASR 1210862) 295738.70N0980544.10W (12.8NM WNW HYI) 1396.0FT (254.9FT AGL) U/S 2510260020-2601230400
10/25/25
0620Z
1/23/26
0400Z
!HYI 10/014 HYI OBST TOWER LGT (ASR 1039468) 295832.80N0980539.00W (13.1NM WNW HYI) 1319.9FT (419.9FT AGL) U/S 2510250620-2601230400
10/25/25
0538Z
11/9/25
0438Z
!HYI 10/013 HYI OBST TOWER LGT (ASR 1294331) 295823.40N0975934.90W (8.3NM NW HYI) 1273.6FT (256.9FT AGL) U/S 2510250538-2511090438
10/21/25
0411Z
2/18/26
0411Z
!HYI 10/010 HYI OBST TOWER LGT (ASR 1214089) 295425.80N0980001.80W (7.3NM W HYI) 1181.8FT (270.0FT AGL) U/S 2510210411-2602180411
8/20/25
1850Z
11/18/25
0400Z
!HYI 08/009 HYI OBST TOWER LGT (ASR 1227830) 295929.10N0974509.40W (8.3NM NE HYI) 841.9FT (254.9FT AGL) U/S 2508201850-2511180400
4/22/25
0309Z
!HYI 04/008 HYI NAV ILS RWY 13 LOC NOT MNT 2504220309-2510312000EST
4/10/25
1751Z
!HYI 04/003 HYI NAV ILS RWY 13 OM U/S 2504101751-2510312111EST
FDC
7/22/25
0446Z
!FDC 5/2432 HYI IAP SAN MARCOS RGNL, AUSTIN, TX.
NDB RWY 13, AMDT 5C...
RNAV (GPS) RWY 13, AMDT 2C...
RNAV (GPS) RWY 17, ORIG-B...
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).
2507220446-2603030446EST
6/17/25
1846Z
!FDC 5/5663 HYI IAP SAN MARCOS RGNL, AUSTIN, TX.
RNAV (GPS) RWY 17, ORIG-B...
LNAV MDA 1140/HAT 545 ALL CATS. VIS CAT C/D/E 1 5/8.
CIRCLING CAT A/B MDA 1140/HAA 545.
VDP 1.53 NM TO RW17.
WATER TOWER, 872 MSL, 2.94 NM NORTH OF RWY 17 (2024-ASW-7674-OE).
2506171846-2706171846EST
Yes
0600-2100
FOR AFT HRS SVC 800-229-2379.
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
--
ACTVT MALS RWY 13; MIRL RWYS 08/26, 13/31 & 17/35 PRESET LOW INTST, TO INCR INTST - CTAF. PAPI RWYS 13, 31, 17 OPR CONSLY.
N/A
Yes - Lighted
Yes
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
None
Low Pressure
Low Pressure
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.
SAN MARCOS RGNL (ICAO: KHYI, IATA: HYI) is a public airport located in AUSTIN, TX.