San Marcos Regional Airport

KHYI

San Marcos, US

KHYI San Marcos Regional Airport — Charts, Approach Plates & Operations

23 official charts for San Marcos Regional Airport (KHYI) — airport diagrams, instrument approach procedures, SIDs, STARs, and operational information for pilots.

Charts (23) Operations Frequencies Official AIP FAQ

KHYI Airport Charts & Approach Plates

Official charts for San Marcos Regional Airport published by the national aviation authority. Updated every 28 days per AIRAC cycle. All links open the official PDF source in a new tab.

Airport Diagrams 1

Instrument Approach Procedures (IAP) 13

Standard Terminal Arrivals (STAR) 4

Hot Spots & Warnings 2

Takeoff Minimums 1

Alternate Minimums 1

Additional Charts 1

All charts sourced from official AIP publication. Last updated: April 7, 2026. Always verify with the official AIP before flight.

Airport Operations

San Marcos Regional Airport is operational with tower control 0700-2100 LT. Airport has active construction notice and offers 100LL and Jet A fuel with no landing fees.

Fuel & Services

Fuel Available
Yes
Fuel Types
AVGAS 100LL JET-A1
Operating Hours
0700-2100 LT

Parking & Handling

Landing Fees
No landing fee

Published Approach Procedures

ILS RWY 13

PPL / GA Operations

Tower hours 0700-2100, after hours service available at 800-229-2379 with call-in fee. Left traffic pattern for runways 08 and 26. MIRL lighting on all runways preset low intensity, activate and increase via CTAF 126.825.

Source: AIP data extracted Apr 7, 2026. Always verify with official AIP before flight. View source

Radio Frequencies

4 frequencies
Clearance
121.350
MHz
CLNC DEL
UNICOM
123.050
MHz
CTAF/UNICOM
A/D
119.000
MHz
AUSTIN APP/DEP
AWOS
120.825
MHz
AWOS 3
Emergency Frequency
121.500
International Emergency

Usage Instructions:

Tower: Airport traffic control
Ground: Surface movement control
Approach: Terminal area control
ATIS: Automated weather & airport info
• Click any frequency to copy to clipboard
• Always verify frequencies with current charts before flight
• Frequencies may change - check NOTAMs for updates
Data Source: Frequencies are sourced from OurAirports.com, updated daily. Always verify current frequencies using official airport charts, AIP publications, or contact the airport directly. Frequencies may change due to operational requirements or regulatory updates.

Aeronautical Information Publication (AIP)

✓ Free Access
AIP - United States

Official AIP for United States via US FAA (Free)

Managed by: US FAA

Access Information: Freely accessible online
Access details: Public

Alternative Resources:

SkyVector FAA AIP ChartFox

Frequently Asked Questions

How many charts are available for KHYI San Marcos Regional Airport?

We list 23 official charts for KHYI, including airport diagrams, instrument approach procedures (IAP), SIDs, STARs, and visual approaches sourced directly from the official AIP.

Where can I find instrument approach plates for KHYI?

All instrument approach procedures (IAP) for KHYI San Marcos Regional Airport are available on this page, linking directly to the official PDF charts published by the aviation authority. These include ILS, RNAV/GPS, VOR and LOC approaches for all runways.

Are the charts for KHYI free?

Yes, all chart links on this page point to official free sources including FAA d-TPP, EUROCONTROL eAIPs, and national aviation authority publications. No subscription required.

How often are charts updated?

Official charts follow the AIRAC cycle and are updated every 28 days. The links on this page always point to the current effective cycle from the official source.