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.
Bell Canyon
West · Camera 3 · 4 cameras total
3 NM away
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 →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| H1 | 74 ft | 40 ft | TURF | PERI |
Active NOTAMs
No active NOTAMs for 4CL1.
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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.