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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) VFR
8:53 PM PST  
Scattered 25,000'
10sm
59°F
37°F
30.13"Hg
Calm
AO2 SLP204 T01500028
METAR KSNA 050453Z 00000KT 10SM SCT250 15/03 A3013 RMK AO2 SLP204 T01500028
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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)
Thu, 12/4 9:20 PM PST
Thu, 12/4 10:00 PM PST - Fri, 12/5 10:00 PM PST
VFR
10:00 PM PST - 12:00 PM PST
Few 25,000'
6sm
VRB° 4kts
VFR
12:00 PM PST - 6:00 PM PST
Sky Clear
6sm
220° 6kts
VFR
6:00 PM PST - 10:00 PM PST
Sky Clear
6sm
VRB° 3kts
TAF KSNA 050520Z 0506/0606 VRB04KT P6SM FEW250
   FM052000 22006KT P6SM SKC
   FM060200 VRB03KT P6SM SKC
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
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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.