WxDecoder

US-1141 Weather Leading Edge San Marcos Heliport

San Marcos, TexasElevation 673 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KBAZ · 6 NM S · 7 min old
Ceiling 7,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KBAZ
WIND
150@8
steady
VISIBILITY
10 SM
16.1 km
CEILING
7,000 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 140° at 5 kt, visibility 10 SM, temperature 27C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon slight chance showers and thunderstorms, high near 80F, low near 64F, 21% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
This Afternoon: Slight Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Slight Chance Showers And Thunderstorms 80/64 ESE 9 kt – 21% Thunderstorms in the forecast
Wednesday Slight Chance Showers And Thunderstorms 85/67 E 4 kt – 22%
Thursday Chance Showers And Thunderstorms 81/64 ESE 4 kt – 39%
Friday Chance Showers And Thunderstorms 79/64 SE 9 kt 17 kt 28%
Saturday Slight Chance Showers And Thunderstorms then Partly Sunny 84/65 SSE 4 kt – 15%
Sunday Partly Sunny 85/67 ESE 4 kt – 6%
Monday Slight Chance Rain Showers then Partly Sunny 85/63 S 13 kt – 30%

Source: National Weather Service (office EWX). Forecast issued 1957Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for US-1141. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway

H1
Dimensions
50 x 50 ft
Surface
Concrete (good)
RWY H1

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
673 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2349Z 6:49 PM
Sunrise
1242Z 7:42 AM
Loggable night
0014Z (7:14 PM local) → 1218Z (7:18 AM local)
end of evening to start of morning civil twilight
Position lights required
2349Z (6:49 PM local) → 1242Z (7:42 AM local)
sunset to sunrise (91.209)
Night passenger currency
0049Z (7:49 PM local) → 1142Z (6:42 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Leading Edge San Marcos Heliport is in San Marcos, Texas. Field elevation 673 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerPABLO HERNANDEZ
Manager phone407-791-8303
CHARTS & AIRSPACE
ICAO / IATAUS-1141
SectionalSAN ANTONIO
Center (ARTCC)HOUSTON
Flight service (AFSS)SAN ANGELO
RegionTexas
CountryUnited States
Coordinates29.8024, -98.0148
Distance from city6 NM SW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-1141 traffic patterns

2026-07-12 to 2026-10-26, 51 days observed · data 2026-10-26

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.3
AVG OPS/DAY
2.3
Activity trend over 16 days: falling, from 4 to 2 operations per dayOperations trend (16 days)

Busiest day: Wed · Busiest month: Sep

FLEET MIX
Helicopter 88%Unknown 13%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›R44 (Helicopter) · ~12 landings/mo
›GX (Unknown) · ~2 landings/mo
›R22 (Helicopter) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›R44 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

US-1141 has no on-field report. Nearest reporting station: KBAZ (6 NM S, VFR).

KBAZ New Braunfels National Airport
6 NM S
VFR
KRND Randolph Air Force Base
21 NM SW
VFR
KSAT San Antonio International Airport
29 NM SW
VFR
KAUS Austin Bergstrom International Airport
30 NM NE
VFR
KSSF Stinson Municipal Airport
37 NM SW
VFR
KSKF Lackland Air Force Base
39 NM SW
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-1141 on OurAirports
FREQUENTLY ASKED
Does US-1141 have a METAR?
No on-field METAR is issued for US-1141. This page uses the nearest reporting station as a reference.
Does US-1141 have a TAF?
No TAF is issued directly for US-1141. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-1141?
US-1141 sits at 673 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-1141?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.