AirNav: 4CL1 - Lyon Heliport

4CL1

Lyon Heliport
Rancho Santa Margarita, California, USA

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FAA INFORMATION EFFECTIVE 22 JANUARY 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 -8 (UTC -7 during Daylight Saving 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 15-Feb-2026

	Local (UTC-8)	Zulu (UTC)
Morning civil twilight	06:10	14:10
Sunrise	06:36	14:36
Sunset	17:34	01:34
Evening civil twilight	17:59	01:59

Current date and time

Zulu (UTC)	16-Feb-2026 03:39:50
Local (UTC-8)	15-Feb-2026 19:39:50

METAR

KSNA 14nm W	160253Z VRB04KT 10SM FEW028 BKN041 BKN220 15/10 A2994 RMK AO2 SLP139 T01500100 53003 $
KAJO 17nm N	160256Z AUTO 25004KT 10SM CLR 13/08 A2995 RMK AO2 SLP138 T01280078 53002
KRAL 21nm N	160253Z 27005KT 10SM FEW049 13/07 A2994 RMK AO2 SLP130 T01280072 53004
KRIV 22nm NE	160255Z AUTO 00000KT 10SM OVC038 13/06 A2992 RMK AO2 SLP130 T01260062 53005
KCNO 22nm N	160253Z 26006KT 10SM FEW040 OVC200 12/07 A2995 RMK AO2 SLP142 T01220072 53004
KL18 23nm SE	160315Z AUTO 00000KT 10SM OVC038 12/10 A2996 RMK AO2
KF70 23nm E	160315Z AUTO 17003KT 10SM CLR 11/07 A2996 RMK AO2
KNFG 24nm SE	160252Z AUTO 04003KT 10SM CLR 12/10 A2996 RMK AO2 SLP144 T01220100 53004 $
KSLI 24nm NW	160255Z AUTO 00000KT 9SM SCT050 12/09 A2991 RMK AO2 SLP132 T01170087 53004
KFUL 25nm NW	160253Z 00000KT 10SM CLR 14/10 A2994 RMK AO2 SLP138 T01440100 53003

TAF

KSNA
14nm W

151720Z 1518/1618 VRB04KT P6SM FEW040 BKN200 FM151900 21007KT P6SM FEW035 BKN200 FM160300 VRB04KT P6SM SCT040 BKN200 FM160800 11007KT P6SM VCSH BKN035 BKN200 FM161700 15014G23KT 3SM -RA BR BKN015

NOTAMs

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