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4CL1
LYON
PrivatePVT

2 miles SE of RANCHO SANTA MARGARITA, CA
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
33° 36' 46"N 117° 35' 29"W
898' MSL
1898' MSL
14E
None Listed
SAN DIEGO (SAN)
LOS ANGELES
LOS ANGELES (ZLA)
11/27/25-12/25/25
KSNA (14nm) LIFR
6:53 AM PST  
Mist
Obscured 200'
0.75sm
53°F
53°F
30.09"Hg
050° 5kts
AO2 SLP190 T01170117 53009 $
METAR KSNA 161453Z 05005KT 3/4SM R20R/2400V4000FT BR VV002 12/12 A3009 RMK AO2 SLP190 T01170117 53009 $
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4CL1 FBOs

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FAA A/FD Pages

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Airport Diagrams

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Airport Minimums

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Departure Procedures

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Hotspot

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Standard Term. Arrival

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Instrument Approach

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Terminal Area Forecast

KSNA (14nm)
Tue, 12/16 3:28 AM PST
Tue, 12/16 4:00 AM PST - Wed, 12/17 4:00 AM PST
LIFR
4:00 AM PST - 7:00 AM PST
Fog
Obscured
0.25sm
VRB° 4kts
LIFR
7:00 AM PST - 9:00 AM PST
Mist
Broken 200'
1sm
VRB° 3kts
LIFR
9:00 AM PST - 11:00 AM PST
Mist
Broken 400'
4sm
VRB° 4kts
VFR
11:00 AM PST - 5:00 PM PST
Scattered 25,000'
6sm
220° 6kts
VFR
5:00 PM PST - 9:00 PM PST
Haze
Scattered 25,000'
6sm
VRB° 4kts
LIFR
9:00 PM PST - 4:00 AM PST
Mist
Overcast 400'
2sm
VRB° 4kts
TAF KSNA 161128Z 1612/1712 VRB04KT 1/4SM FG VV001
   FM161500 VRB03KT 1SM BR BKN002
   FM161700 VRB04KT 4SM BR BKN004
   FM161900 22006KT P6SM SCT250
   FM170100 VRB04KT 6SM HZ SCT250
   FM170500 VRB04KT 2SM BR OVC004
4CL1
No NOTAM Available
No
UNATNDD
WILLIAM LYON
24331 COTO DE CAZA DRIVE
TRABUCO CANYON, CA 92679
Phone: 714-210-2945
MARK FOSTER, MARTIN AVIATION
19300 IKE JONES ROAD
SANTA ANA, CA 92707
Phone: (714) 210-2945
SAN DIEGO FSS (SAN)
Toll Free: 1-800-WX-BRIEF
N/A
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FOR PERIMETER LGTS CALL 714-210-2945.
N/A
N/A
No
No
None
No
None
None
None
None
None

Runway H1

74 ft. x 40 ft.
 
TURF 
NONE 
PERI 
 
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  Runway H1 Runway
True Heading 74°254°
Traffic Pattern
Markings
Markings Condition
Latitude 33° 36' 46"N N/A
Longitude 117° 35' 29"W N/A
Elevation 898' --
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1FOR CD CTC LOS ANGELES ARTCC AT 661-575-2079.
LYON (IATA: 4CL1) is a private heliport located in RANCHO SANTA MARGARITA, CA.