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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
7:53 AM PST  
Mist
Overcast 300'
1.5sm
55°F
54°F
30.08"Hg
360° 3kts
AO2 SLP186 T01280122 $
METAR KSNA 171553Z 36003KT 1 1/2SM BR OVC003 13/12 A3008 RMK AO2 SLP186 T01280122 $
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4CL1 FBOs

No FBOs (Fixed Base Operators) are listed for this airport.
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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)
Wed, 12/17 3:26 AM PST
Wed, 12/17 4:00 AM PST - Thu, 12/18 4:00 AM PST
LIFR
4:00 AM PST - 8:00 AM PST
Fog
Obscured
0.5sm
VRB° 3kts
LIFR
8:00 AM PST - 9:30 AM PST
Mist
Overcast 300'
1sm
VRB° 3kts
LIFR
9:30 AM PST - 11:00 AM PST
Mist
Broken 400'
3sm
VRB° 4kts
VFR
11:00 AM PST - 6:00 PM PST
Haze
Sky Clear
6sm
220° 7kts
MVFR
6:00 PM PST - 4:00 AM PST
Mist
Scattered 500'
4sm
VRB° 3kts
LIFR
Temporary 9:00 PM PST - 1:00 AM PST
Mist
Broken 300'
1sm
Calm
TAF KSNA 171126Z 1712/1812 VRB03KT 1/2SM FG VV002
   FM171600 VRB03KT 1SM BR OVC003
   FM171730 VRB04KT 3SM BR BKN004
   FM171900 22007KT 6SM HZ SKC
   FM180200 VRB03KT 4SM BR SCT005
   TEMPO 1805/1809 1SM BR BKN003
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.