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4CL1HELIPORT

LYON

RANCHO SANTA MARGARITA, California

VFRUpdated 2h ago898 ft MSL

1

Runway

0

Frequencies

0

Procedures

0

NOTAMs

Quick Facts

ICAO

4CL1

FAA

4CL1

Elevation

898 ft MSL

Runways

1

Frequencies

0

Tower

No

Fuel

N/A

Coordinates

33.613, -117.591

Airport Information

Facility Type

HELIPORT

Elevation

898 ft MSL

Control Tower

No

Fuel Types

None listed

ARTCC

LOS ANGELES

Coordinates

33.6127, -117.5913

Ownership

Private

Hours of Operation

Current Weather

METAR KSNA 092153Z 19012KT 10SM CLR 23/15 A2987 RMK AO2 SLP114 T02280150

Flight Category

VFR

Wind

190° at 12 kt

Visibility

10+ SM

Temperature

22.8°C

Dewpoint

15°C

Altimeter

1011.60 inHg

Cloud Cover

CLR

Nearest weather from KSNA (17 NM away)

Observed 2026-06-09 21:53Z

Nearby Weather Cameras

No camera at 4CL1. Showing nearest cameras.

Weather camera at Bell Canyon facing West
Live

Bell Canyon

West · Camera 3 · 4 cameras total

3 NM away

Weather camera at Santiago Peak CalOES facing NorthEast
Live

Santiago Peak CalOES

NorthEast · Camera 1 · 3 cameras total

7 NM away

11 camera angles available

See all cameras, directions, and nearby airport cameras

Sign up free to view all cameras →
Source: FAA faa-weather-camera

Runways

IDLengthWidthSurfaceLights
H174 ft40 ftTURFPERI

Active NOTAMs

No active NOTAMs for 4CL1.

Nearby Airports in California

4CL1 Operational Overview

Location & Facility

LYON (4CL1) is a privately owned heliport restricted to private use located in RANCHO SANTA MARGARITA, California, United States. The field sits at an elevation of 898 feet above mean sea level (MSL) at coordinates 33.6127°N, 117.5913°W.

Helipads

LYON has 1 helipad. The longest pad (H1) measures 74 feet by 40 feet with a turf surface.

Communications & Operations

LYON is a non-towered (pilot-controlled) field.

Weather Cameras

3 FAA Weather Cameras are available near LYON, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.

Current Conditions

The current flight category at LYON is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.

Frequently Asked Questions

What is 4CL1?

4CL1 is the ICAO identifier for LYON, a public-use airport located in RANCHO SANTA MARGARITA, California, United States.

How many runways does LYON have?

LYON (4CL1) has 1 runway. See the runway table above for dimensions and surface types.

What is the elevation of 4CL1?

The field elevation of LYON is 898 feet above mean sea level (MSL).

Is fuel available at 4CL1?

No fuel types are currently listed for LYON. Contact the FBO directly for availability.

What are the current weather conditions at 4CL1?

The current flight category at LYON is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.

Are there active NOTAMs at 4CL1?

There are currently no active NOTAMs for LYON.

How do I access complete data for 4CL1?

Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for LYON.

Where is LYON located?

LYON (4CL1) is located in RANCHO SANTA MARGARITA, California, United States, at an elevation of 898 ft MSL.

Does 4CL1 have weather cameras?

4CL1 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.

Complete aviation intelligence for 4CL1

Live weather, decoded NOTAMs, IFR procedures, AI briefings, and more. Included in every AeroCopilot plan from $7.99/month.

Source: FAA faa-nasr· AIRAC 28-day cycle· Updated Jun 9, 01:18 PM UTC
Source: FAA noaa-awc-metar· Updated Jun 9, 09:53 PM UTC