3
Runways
30
Frequencies
0
Procedures
7
NOTAMs
Quick Facts
ICAO
KHYI
FAA
HYI
Elevation
594.7 ft MSL
Runways
3
Frequencies
30
Tower
Yes
Fuel
100LL,A+
Coordinates
29.893, -97.863
Airport Information
Facility Type
AIRPORT
Elevation
594.7 ft MSL
Control Tower
Yes
Fuel Types
100LL,A+
ARTCC
HOUSTON
Coordinates
29.8927, -97.8630
Ownership
Public
Hours of Operation
Current Weather
METAR KHYI 272256Z 15016G21KT 10SM FEW050 33/23 A2993 RMK AO2 SLP126 T03330228
Flight Category
VFR
Wind
150° at 16 kt G21
Visibility
10+ SM
Temperature
33.3°C
Dewpoint
22.8°C
Altimeter
1013.60 inHg
Cloud Cover
FEW
Observed 2026-06-27 22:56Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 08/26 | 6,330 ft | 100 ft | ASPH | MED |
| 13/31 | 5,601 ft | 100 ft | ASPH | MED |
| 17/35 | 5,214 ft | 100 ft | ASPH | MED |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| AEROZ DP | 370.85 | AUSTIN-BERGSTROM INTL |
| AEROZ DP | 119.0 | AUSTIN-BERGSTROM INTL |
| APCH/P DEP/P | 370.85 | AUSTIN-BERGSTROM INTL |
| APCH/P DEP/P | XXX.XXX | AUSTIN-BERGSTROM INTL |
| ATIS | XXX.XXX | SAN MARCOS RGNL |
| BLEWE STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| BLEWE STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| BNDIA DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| BNDIA DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| CD/P | XXX.XXX | SAN MARCOS RGNL |
| CD/P | XXX.XXX | AUSTIN-BERGSTROM INTL |
| CTAF | XXX.XXX | SAN MARCOS RGNL |
| ELOEL DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| ELOEL DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| GABOO STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| GABOO STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| GND/P | XXX.XXX | SAN MARCOS RGNL |
| ILEXY DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| ILEXY DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| LCL/P | XXX.XXX | SAN MARCOS RGNL |
| MUCKY DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| MUCKY DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| POTRR STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| POTRR STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| SAYBR DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| SAYBR DP | XXX.XXX | AUSTIN-BERGSTROM INTL |
| SZAGI STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| SZAGI STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| SZAGI STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
| SZAGI STAR | XXX.XXX | AUSTIN-BERGSTROM INTL |
Active NOTAMs
Nearby Airports in Texas
16TT
16 L RANCH
NORMANGEE — 390 ft
16TT
16 L RANCH
NORMANGEE — 390 ft
10TS
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LANEVILLE — 489 ft
10TS
2C Ranch Airport
Laneville — 475 ft
TT65
3 BARREL RANCH
BLEIBLERVILLE — 311 ft
TT65
3 Barrel Ranch Airport
Bleiblerville — 311 ft
44XS
3 MILL RANCH
MOUNTAIN HOME — 2,232 ft
44XS
3 Mill Ranch Airport
Mountain Home — 2,232 ft
Nearest airports
- 16TT — 16 L RANCH
NORMANGEE
- 16TT — 16 L RANCH
NORMANGEE
- 10TS — 2C RANCH
LANEVILLE
- 10TS — 2C Ranch Airport
Laneville
- TT65 — 3 BARREL RANCH
BLEIBLERVILLE
Texas airports
KHYI Operational Overview
Location & Facility
SAN MARCOS RGNL (KHYI) is a publicly owned airport open to the public located in AUSTIN, Texas, United States. The field sits at an elevation of 594.7 feet above mean sea level (MSL) at coordinates 29.8927°N, 97.8630°W.
Runways
SAN MARCOS RGNL has 3 runways. The longest runway (08/26) measures 6,330 feet by 100 feet with a asph surface. Other runways include 13/31 (5,601 ft, ASPH), 17/35 (5,214 ft, ASPH).
Communications & Operations
SAN MARCOS RGNL is a towered airport. ATIS is available on 120.825 MHz. A total of 30 communication frequencies are published for this facility.
Services & Fuel
SAN MARCOS RGNL offers 100LL,A+ fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Current Conditions
The current flight category at SAN MARCOS RGNL is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There are currently 7 active NOTAMs for this facility.
Frequently Asked Questions
What is KHYI?
KHYI is the ICAO identifier for SAN MARCOS RGNL, a public-use airport located in AUSTIN, Texas, United States.
How many runways does SAN MARCOS RGNL have?
SAN MARCOS RGNL (KHYI) has 3 runways. See the runway table above for dimensions and surface types.
What is the elevation of KHYI?
The field elevation of SAN MARCOS RGNL is 594.7 feet above mean sea level (MSL).
Is fuel available at KHYI?
Yes, SAN MARCOS RGNL offers 100LL,A+ fuel.
What are the current weather conditions at KHYI?
The current flight category at SAN MARCOS RGNL is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KHYI?
There are currently 7 active NOTAMs for SAN MARCOS RGNL. Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
How do I access complete data for KHYI?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for SAN MARCOS RGNL.
Where is SAN MARCOS RGNL located?
SAN MARCOS RGNL (KHYI) is located in AUSTIN, Texas, United States, at an elevation of 594.7 ft MSL.