FlyFren
VFR
4CL1
LYON
RANCHO SANTA MARGARITA, CA
Elevation
898 ft
Control
Uncontrolled
Plan flight to 4CL1
Find FlyFrens here
About
Weather
Frequencies
Runways
Procedures
NOTAMs
Services
Nearby
05
Questions
01
Where is Lyon (4CL1) located?
Lyon is located in Rancho Santa Margarita, CA.
02
Is Lyon a public or private airport?
Lyon (4CL1) is a private-use airport, so prior permission from the owner is required before landing.
03
What is the field elevation at Lyon?
Lyon sits at 898 feet above mean sea level.
04
Does Lyon have an instrument approach?
No, Lyon has no published instrument approach procedures; it is used under visual flight rules.
05
Does Lyon have an air traffic control tower?
No, Lyon (4CL1) is a non-towered airport; pilots self-announce on the CTAF.
Current Conditions
VFR
Visual Flight Rules
Wind
--
Steady
Visibility
10sm+
Surface Vis
Temp / Dew
--° / --°
Spread --°
Altimeter
--
Pressure
Sky Conditions
SKC
Clear
Hazards & Advisories
No active advisories within 50nm
Pilot Reports
Within 50nm
No recent pilot reports within 50nm.
Helipads
1
H1
No active NOTAMs
Directory
00 entities
No registered on-field services
Registry
FAA-V-2026.02
Coverage
On-Field Only
FlyFren Technical Directory
Regional Proximity
10 facilities
CA55
Uncontrolled
5
NM
MISSION HOSPITAL HELISTOP
MISSION VIEJO, CA
CA68
Uncontrolled
6
NM
SADDLEBACK MEML MEDICAL CENTER
LAGUNA HILLS, CA
CL92
Uncontrolled
6
NM
SCE SADDLEBACK SERVICE CENTER
IRVINE, CA
1CA3
Uncontrolled
7
NM
G S A LAGUNA NIGUEL G/L HELISTOP
SOUTH LAGUNA BEACH, CA
CA42
Uncontrolled
8
NM
MC CONVILLE AIRSTRIP
LAKE ELSINORE, CA
57CA
Uncontrolled
12
NM
LOMA RIDGE COMMUNICATION CENTER
ORANGE, CA
3CA2
Uncontrolled
13
NM
JAMBOREE CENTER HELISTOP
IRVINE, CA
CL44
Uncontrolled
14
NM
LATIERRA
MURRIETA, CA
0CL5
Uncontrolled
14
NM
THE ATRIUM
IRVINE, CA
CA85
Uncontrolled
14
NM
OPUS CENTER IRVINE
IRVINE, CA
Search Radius
50 NM
Data Source
FAA NASR
Distances calculated via haversine great-circle formula