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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)
4/17/25-5/15/25
KSNA (14nm) MVFR
6:53 AM PST  
Overcast 1,200'
7sm
60°F
55°F
30.10"Hg
030° 4kts
AO2 SLP191 T01560128 51009
METAR KSNA 041453Z 03004KT 7SM OVC012 16/13 A3010 RMK AO2 SLP191 T01560128 51009
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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, 11/4 3:23 AM PST
Tue, 11/4 4:00 AM PST - Wed, 11/5 4:00 AM PST
MVFR
4:00 AM PST - 9:30 AM PST
Overcast 1,200'
6sm
VRB° 3kts
VFR
9:30 AM PST - 8:00 PM PST
Sky Clear
6sm
210° 7kts
MVFR
8:00 PM PST - 4:00 AM PST
Overcast 1,500'
6sm
VRB° 3kts
TAF KSNA 041123Z 0412/0512 VRB03KT P6SM OVC012
   FM041730 21007KT P6SM SKC
   FM050400 VRB03KT P6SM OVC015
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
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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.