Airport · ICAO · US
Class E (sfc)San Marcos Regional Airport
Live conditions at KHYI
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Wind / Visibility
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Density altitude (now)
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FAA Airport Diagram · KHYI
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Official FAA Airport Diagram (APD), current dTPP cycle —
embedded from aeronav.faa.gov.
Use the Open in new tab link above for full-screen / printing.
Runways at KHYI
6 runway ends on file. Longest: 6,330 ft. Max gradient: 0.37%
| Designator | Heading | Length | Width | Surface | Lighting | Gradient |
|---|---|---|---|---|---|---|
| 08 | 87.8° | 6,330 ft | 100 ft | ASP | Yes | 0.12% |
| 26 | 267.8° | 6,330 ft | 100 ft | ASP | Yes | 0.12% |
| 13 | 132.9° | 5,601 ft | 100 ft | ASP | Yes | 0.35% |
| 31 | 312.9° | 5,601 ft | 100 ft | ASP | Yes | 0.35% |
| 17 | 177.9° | 5,214 ft | 100 ft | ASP | Yes | 0.37% |
| 35 | 357.9° | 5,214 ft | 100 ft | ASP | Yes | 0.37% |
Source: in-app airport database (runway lengths + headings), OurAirports for surface, width, lighting. Gradient computed from FAA NASR runway-end elevation deltas (the published RWY_GRAD field is empty in 99.99% of NASR rows; we derive it from the elevations the FAA does publish).
Communications
4 frequencies on file — tower, ground, ATIS, CTAF, approach, departure, etc.
- AWOS AWOS 3 120.825
- CLD CLNC DEL 121.350
- A/D AUSTIN APP/DEP 119.000
- UNIC CTAF/UNICOM 123.050
📻 Live ATC audio
LiveATC.net hosts streaming + archived ATC audio. Their site routes deep-links through their search page, so we link there.
Field intel · synthesized from Chart Supplement
Plain-English translation of the Chart Supplement remarks for KHYI, anchored to the FAA's own text. Operational items first, advisory next, raw FAA prose at the bottom. Cycle 22JAN2026.
3 matched · 21 not yet translated
TL;DR
- ·Pilot-controlled lighting: click mic 7 times on the CTAF to activate and incr intst. Lights stay on 15 minutes — click again to refresh.
- ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.
Watch for
-
Pilot-controlled lighting: click mic 7 times on the CTAF to activate and incr intst. Lights stay on 15 minutes — click again to refresh.
pcl ctaf
-
Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.
wildlife hazard
All translated remarks (3)
-
Pilot-controlled lighting: click mic 7 times on the CTAF to activate and incr intst. Lights stay on 15 minutes — click again to refresh.
Raw FAA text · service · operational
ACTVT and incr intst—CTAF
-
Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.
Raw FAA text · airport remarks · operational
Birds and wildlife on and invof arpt.
-
Airport attended 1300–0300Z‡. Self-service or limited operations outside attended hours.
Raw FAA text · airport remarks · advisory
Attended 1300–0300Z‡.
Not yet translated · raw FAA text (21 sentences)
Sentences our pattern matchers haven't yet templated. The full FAA text is authoritative — these aren't translation errors, just gaps in our rule library. Curators add new templates over time; coverage rises monotonically.
- ·TEXAS 267 CONTINUED FROM PRECEDING PAGE
- ·CENTEX (VH) (H) VORTACW 112.8 CWK Chan 75 N30º22.71´ W97º31.79´ 207º 13.2 NM to fld. 593/6E.
- ·VOR unusable: 180º–190º byd 40 NM 200º–210º byd 40 NM ILS/DME 110.5 I–VNK Chan 42 Rwy 18L.
- ·ILS/DME 110.95 I–GFQ Chan 46(Y) Rwy 18R.
- ·ILS/DME 110.95 I–BSM Chan 46(Y) Rwy 36L.
- ·ILS/DME 110.5 I–HCE Chan 42 Rwy 36R.
- ·COMM/NAV/WEATHER REMARKS: Ctc ramp ctl at 126.225 prior to entry/exit to/fm the trml apn. • • • • • • • • • • • • • • • • • • HELIPAD H1: H60X60 (CONC) HELIPAD H2: H60X60 (CONC) HELIPAD H3: H50X50 (CONC) – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – SAN MARCOS RGNL (HYI)(KHYI) 31 S UTC–6(–5DT) N29º53.57´ W97º51.78´ 595 B NOTAM FILE HYI RWY 08–26: H6330X100 (ASPH) S–80 MIRL RWY 08: Hangar.
- ·RWY 13–31: H5601X100 (ASPH) S–60 MIRL 0.4% up NW RWY 13: MALS.
- ·PAPI(P2L)—GA 3.0º TCH 57´.
- ·RWY 31: PAPI(P2L)—GA 3.0º TCH 60´.
- ·RWY 17–35: H5214X100 (ASPH) S–20 MIRL 0.4% up N RWY 17: PAPI(P2L)—GA 3.0º TCH 55´.
- ·For aft hrs svc 800–229–2379.
- ·Tsnt acft prkg avbl on FBO ramp only.
- ·All otr ramp areas resd for based acft or rqr prior cdn with arpt mgmt.
- ·AIRPORT MANAGER: 512-216-6039
- ·CTAF 126.825 ATIS 120.825 (512–353–8005) ®AUSTIN APP/DEP CON 119.0 TOWER 126.825 (1300–0300Z‡) GND CON/CLNC DEL 120.125 CLNC DEL 121.35 (When twr clsd) CLEARANCE DELIVERY PHONE: For CD ctc Austin Apch at 512-369-7865.
- ·CLASS D svc 1300–0300Z‡ eff 01 Apr 2021; other times CLASS E.
- ·CENTEX (VH) (H) VORTACW 112.8 CWK Chan 75 N30º22.71´ W97º31.79´ 205º 33.9 NM to fld. 593/6E.
- ·VOR unusable: 180º–190º byd 40 NM 200º–210º byd 40 NM GARYS NDB (LOMW) 272 RU N29º57.52´ W97º56.94´ 124º 6.0 NM to fld. 819/7E.
- ·LOC unusable byd 30º left of course.
- ·AVENGER FLD (See SWEETWATER on page 446) BAILES (See ANGLETON on page 262) SAN ANTONIO H–7C, L–19C, 21A IAP, AD SC, 22 JAN 2026 to 19 MAR 2026
Field profile
Use
Public-use
Ownership
Public
Scheduled service
No
Chart Supplement
FAA Chart Supplement entry for KHYI — runway, frequencies, FBO, fuel, hours, NOTAMs, special procedures.
NTSB events at KHYI
36 NTSB-recorded events on file at this airport .
Total events
17
since 1982
Fatal
3
17.6% of total
Last 5 years
4
≈ 0.8/yr
Last 10 years
9
≈ 0.9/yr
See ranking across all airports → · Open in accident map ↗
Operations volume
FAA TAF · history through 2024
Peak: 120,420 ops in 2007
2024 total
83,144
10-yr total
692,891
2024 mix
AC/AT 2% · GA 97% · Mil 1%
Events / million ops
13.0
last 10 years
Fatal / million ops
2.29
approximate · 10-yr scaled
Last 10 years · n=9
- Loss of control 2
- Hard landing 2
- Midair / near-midair 1
- Fuel exhaustion / starvation 1
- Controlled flight into terrain 1
- Weather · wind / icing / convective 1
- Other 1
All time · n=36
- Other 21
- Loss of control 4
- Hard landing 3
- Ground collision 2
- Stall / spin 2
- Midair / near-midair 1
- Fuel exhaustion / starvation 1
- Controlled flight into terrain 1
Categories derived from NTSB Findings descriptions and probable-cause text via deterministic rule matching. "Other" includes cases where the agency record didn't surface enough text to classify.
Designees in TX
Every aviation professional and organization in the same state as KHYI — instructors, examiners, mechanics, schools, FBOs, flying clubs, repair shops, EAA chapters. Click any category to drill into the full directory.
CFI
6,561
Flight Instructors
A&P
27,501
Mechanics
AME
167
Medical Examiners (AME)
DME
22
Mechanic Examiners (DME)
DPRE
2
Parachute Rigger Examiners (DPRE)
DAR-F
37
Manufacturing Airworthiness (DAR-F)
DAR-T
24
Maintenance Airworthiness (DAR-T)
DER-Y
15
Engineering — Company (DER-Y)
DER-T
76
Engineering — Consultant (DER-T)
SAE
153
Specialty Aircraft Examiners (SAE)
APD
232
Aircrew Program Designees (APD)
TCE
304
Training Center Evaluators (TCE)
ODA
11
Organizational Designations
Schools
183
Flight Schools
FBO
244
Fixed Base Operators
Clubs
64
Flying Clubs
Repair
41
Repair / Maintenance Shops
EAA
43
EAA Chapters
DPEs near KHYI
Closest FAA Designated Pilot Examiners by great-circle distance from the field. Distances measured city-centroid to airport — useful as a first cut, not a guarantee of exam location. Click any designee for their authorizations and contact info.
| Designee | City | ST | Distance |
|---|---|---|---|
| Roger Gordon Sharp | San Marcos | TX | 4 nm |
| Steven Mccaffrey | New Braunfels | TX | 18 nm |
| Zachary Ryan Armstrong | Seguin | TX | 19 nm |
| Reed David Schotanus | Bulverde | TX | 31 nm |
| Steven B Bush | Lago Vista | TX | 34 nm |
| Matthew Allen Quillen | Pflugerville | TX | 36 nm |
| Gregory Kling Squires | Cedar Park | TX | 37 nm |
| Brian David Childs | San Antonio | TX | 43 nm |
| Paul Alan Rheudasil | San Antonio | TX | 43 nm |
| Richard Lee Tarwater | San Antonio | TX | 43 nm |
Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.
CFIs near KHYI
Closest active flight instructors by city-centroid distance. Pulled from the FAA airmen registry — ratings shown reflect the certificate on file. Drill into the state directory for filters by rating, medical, and pilot level.
| Instructor | City | ST | Distance |
|---|---|---|---|
| Wyatt William Wollaston | Maxwell | TX | 3 nm |
| Luke Daniel Davis | Maxwell | TX | 3 nm |
| Robert Gordon Hall Iii | Martindale | TX | 3 nm |
| Anders Shae Fouche | Martindale | TX | 3 nm |
| Stanley Frank Finch | San Marcos | TX | 4 nm |
| Stephen Ray Kern | San Marcos | TX | 4 nm |
| George Allan Wilhite | San Marcos | TX | 4 nm |
| Stephen George Stagnaro | San Marcos | TX | 4 nm |
| Paul David Britton | San Marcos | TX | 4 nm |
| Kennard Simon Moss Iii | San Marcos | TX | 4 nm |
Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.
A&P mechanics near KHYI
Closest certificated mechanics by city-centroid distance. Airframe (A), Powerplant (P), and Inspection Authorization (IA) are the ratings that matter for annuals, 100-hours, and major repairs.
| Mechanic | City | ST | Distance |
|---|---|---|---|
| Jean-Ryan Leclerc | Maxwell | TX | 3 nm |
| Richard Manuel Ramirez | Maxwell | TX | 3 nm |
| Charles Eugene Hannah | Maxwell | TX | 3 nm |
| Franklin James Shetler | Maxwell | TX | 3 nm |
| Isaac Doron Anderson | Maxwell | TX | 3 nm |
| Deandra Michelle Baker | Maxwell | TX | 3 nm |
| Anthony Alexander Tovar | Maxwell | TX | 3 nm |
| Mark William Pirtle | Martindale | TX | 3 nm |
| Kent Gleason Roberts | San Marcos | TX | 4 nm |
| Ray Lee Ender | San Marcos | TX | 4 nm |
Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.
Repair stations near KHYI
Closest repair, avionics, paint, and interior shops by airport location. These are the businesses you'll fly the airplane to — not just the certificate-holders nearby. Click any shop for details and contact info.
| Shop | Distance |
|---|---|
| McKee Avionics, Inc. San Marcos, TX | 1 nm |
| ALTMAN AVIATION SERVICES LLC. Lockhart, TX | 10 nm |
| Veterans Aviation LLC New Braunfels, TX | 14 nm |
| Crystal Avionics, LLC New Braunfels, TX | 14 nm |
| Salty Pelican Aviation LLC New Braunfels , TX | 15 nm |
| Castleberry Instruments & Avionics Pflugerville, TX | 33 nm |
| Central Texas Avionics, Inc. Georgetown, TX | 49 nm |
| Gulf Avionics, Inc. Kerrville, TX | 64 nm |
| Jim Miller Aircraft Painting, Inc. Uvalde, TX | 107 nm |
| X Jet Air Flight Support Uvalde, TX | 107 nm |
Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.
Canonical references
The agency-of-record links pilots use for KHYI: charts, weather, NOTAMs, accident records. We surface them all from one URL — no SEO sludge, no clickthrough farms.
- FAA Chart Supplement (CSUP) A/FD entry — official FAA ↗
- SkyVector — sectional + IFR charts Charts, runways, fuel, NOTAMs ↗
- AirNav — frequencies, FBOs, fuel Pilot-facing summary ↗
- NTSB CAROL — accident search Filter by airport name ↗
- FAA Notice to Air Missions NOTAMs (live) ↗
- aviationweather.gov — METAR / TAF Live observation ↗