Lyon Heliport (4CL1)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	4CL1
Airport Status	Operational
Longitude/Latitude	117°35'28.8500" W / 33°36'45.6000" N -117.591347 / 33.612667 (Estimated)
Elevation	898.00 ft / 273.71 m (Estimated)
From nearest city	2 nautical miles SE of Rancho Santa Margarita, CA
Location	Orange County, CA
Magnetic Variation	14E (1990)

Owner & Manager

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

Airport Operations and Facilities

Airport Use	Private
Segmented Circle	No
Control Tower	NON-ATCT
Lighting Schedule	SEE RMK
Sectional chart	LOS ANGELES
Region	AWP - Western-Pacific
Responsible ARTCC	ZLA - LOS ANGELES
Tie-in FSS	SAN - SAN DIEGO
FSS on Airport	No
FSS Toll Free	1-800-WX-BRIEF

Runway Information

Runway H1

Dimensions	74 x 40 ft (23 x 12 m)
Surface	TURF
Surface treatment
Edge lights	PERI

	H1
Physical elevation	898.00 ft	ft
Coordinates	33.612667 / -117.591347	0.000000 / 0.000000
Traffic pattern	Left	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
FVQ	DME	CARLSBAD	116Y	116.95		33.0 nm
SB	NDB	PETIS		397.00	14E	28.9 nm
NFG	TACAN	CAMP PENDLETON	55X	111.80	13E	22.8 nm
RIV	TACAN	MARCH	77X	113.00	14E	23.7 nm
NKX	TACAN	MIRAMAR	33X	109.60	12E	49.8 nm
RAL	VOR	RIVERSIDE		108.60	14E	21.8 nm
HDF	VOR	HOMELAND		112.05	14E	22.6 nm
ELB	VOR/DME	EL TORO	119X	117.20	14E	8.0 nm
SMO	VOR/DME	SANTA MONICA	45X	110.80	15E	49.4 nm
PDZ	VORTAC	PARADISE	59X	112.20	15E	18.6 nm
OCN	VORTAC	OCEANSIDE	100X	115.30	15E	24.0 nm
SLI	VORTAC	SEAL BEACH	104X	115.70	15E	25.3 nm
POM	VORTAC	POMONA	41X	110.40	15E	29.6 nm
SXC	VORTAC	SANTA CATALINA	88Y	114.15	15E	43.9 nm
LAX	VORTAC	LOS ANGELES	83X	113.60	15E	46.2 nm
SNA	VOT	SANTA ANA		110.00		14.4 nm
LAX	VOT	SAN PEDRO HILL		113.90		38.1 nm
SAN	VOT	MOUNT SOLEDAD		109.00		49.5 nm

Remarks

• FOR CD CTC LOS ANGELES ARTCC AT 661-575-2079.
• PROVIDED PVT USE VFR; HELICOPTERS SHALL NOT OVERFLY CONTO DE CAZA DRIVE ON TKF OR LDG; & INSTALL LIGHTING FOR NIGHT OPNS IN ACCORDANCE WITH FAA GUIDANCE.