AirNav: 4CL1 - Lyon Heliport

4CL1

Lyon Heliport
Rancho Santa Margarita, California, USA

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FAA INFORMATION EFFECTIVE 16 APRIL 2026

Location

FAA Identifier:	4CL1
Lat/Long:	33-36-45.6000N 117-35-28.8500W 33-36.760000N 117-35.480833W 33.6126667,-117.5913472 (estimated)
Elevation:	898 ft. / 274 m (estimated)
Variation:	14E (1990)
From city:	2 miles SE of RANCHO SANTA MARGARITA, CA
Time zone:	UTC -7 (UTC -8 during Standard Time)
Zip code:	92679

Heliport Operations

Heliport use:	Private use. Permission required prior to landing
Activation date:	04/1993
Control tower:	no
ARTCC:	LOS ANGELES CENTER
FSS:	SAN DIEGO FLIGHT SERVICE STATION
Attendance:	UNATNDD
Segmented circle:	no
Lights:	FOR PERIMETER LGTS CALL 714-210-2945.

Heliport Communications

WX ASOS at SNA (14 nm W):	PHONE 714-338-2330
WX AWOS-3PT at AJO (17 nm N):	132.175 (951-340-4764)

Nearby radio navigation aids

VOR radial/distance	VOR name	Freq	Var
ELBr105/7.9	EL TORO VOR/DME	117.20	14E
PDZr174/18.6	PARADISE VORTAC	112.20	15E
RALr185/(21.7)	RIVERSIDE VOR	108.60	14E
HDFr230/(22.5)	HOMELAND VOR	112.05	14E
OCNr324/24.0	OCEANSIDE VORTAC	115.30	15E
SLIr099/25.3	SEAL BEACH VORTAC	115.70	15E
POMr146/29.6	POMONA VORTAC	110.40	15E

Heliport Services

Runway Information

Helipad H1

Dimensions:	74 x 40 ft. / 23 x 12 m
Surface:	turf
Runway edge lights:	PERI
Latitude:	33-36.760000N
Longitude:	117-35.480833W
Elevation:	898.0 ft.
Traffic pattern:	left	left

Heliport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	WILLIAM LYON 24331 COTO DE CAZA DRIVE TRABUCO CANYON, CA 92679 Phone 714-210-2945
Manager:	MARK FOSTER, MARTIN AVIATION 19300 IKE JONES ROAD SANTA ANA, CA 92707 Phone (714) 210-2945

Additional Remarks

A52-H1	10 FT TREE 19 FT SE.
-	FOR CD CTC LOS ANGELES ARTCC AT 661-575-2079.

Instrument Procedures

There are no published instrument procedures at 4CL1.

Some nearby airports with instrument procedures:

KSNA - John Wayne/Orange County Airport (14 nm W)
KAJO - Corona Municipal Airport (17 nm N)
KRAL - Riverside Airport (22 nm N)
KCNO - Chino Airport (22 nm N)
KNFG - Camp Pendleton MCAS (Munn Field) Airport (22 nm SE)

Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes

Luxivair - San Bernardino International Airport

Road maps at: MapQuest Bing Google

Aerial photo

Sectional chart

Airport distance calculator
Flying to Lyon Heliport? Find the distance to fly. From to 4CL1

Sunrise and sunset

Times for 13-May-2026

	Local (UTC-7)	Zulu (UTC)
Morning civil twilight	05:25	12:25
Sunrise	05:52	12:52
Sunset	19:41	02:41
Evening civil twilight	20:09	03:09

Current date and time

Zulu (UTC)	13-May-2026 20:56:50
Local (UTC-7)	13-May-2026 13:56:50

METAR

KSNA 14nm W	131953Z 23010KT 10SM FEW035 SCT200 21/11 A3008 RMK AO2 SLP186 T02110111 $
KAJO 17nm N	131956Z AUTO 30006KT 10SM CLR 24/13 A3007 RMK AO2 SLP176 T02440128
KRAL 21nm N	131953Z VRB04G16KT 10SM CLR 23/11 A3006 RMK AO2 SLP167 T02280111
KRIV 22nm NE	132005Z AUTO 32006KT 10SM -DZ FEW180 24/11 A3004 RMK AO2 DZB05 SLP163
KCNO 22nm N	131953Z 10SM FEW050 23/12 A3007 RMK AO2 SLP180 T02330117
KL18 23nm SE	132035Z AUTO 19005KT 10SM CLR 23/12 A3007 RMK AO2
KF70 23nm E	132035Z AUTO 22006KT 10SM CLR 23/11 A3006 RMK AO2
KNFG 24nm SE	131952Z 21003KT 10SM SCT035 22/13 A3008 RMK AO2 SLP185 T02170128
KSLI 24nm NW	131955Z 23011KT 10SM FEW035 FEW250 24/11 A3004 RMK AO2A SLP175 T02390112
KFUL 25nm NW	131953Z 00000KT 10SM CLR 23/11 A3007 RMK AO2 SLP180 T02280106

TAF

KSNA
14nm W

131720Z 1318/1418 22009KT P6SM FEW035 FM140300 VRB04KT P6SM SCT025 FM140700 VRB03KT P6SM OVC018

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