Las Serpientes Airport (CN19)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	CN19
Airport Status	Operational
Longitude/Latitude	121°36'46.2300" W / 37°56'8.3500" N -121.612842 / 37.935653 (Estimated)
Elevation	10.00 ft / 3.05 m (Estimated)
From nearest city	2 nautical miles SE of Knightsen, CA
Location	Contra Costa County, CA
Magnetic Variation	15E (1995)

Owner & Manager

Ownership	Privately owned
Owner	BRUCE CLEGG
Address	4401 ORWOOD ROAD BRENTWOOD, CA 94513-5219
Phone number	925-634-4064
Manager	BRUCE CLEGG
Address	4401 ORWOOD ROAD BRENTWOOD, CA 94513-5219
Phone number	925-698-4831

Airport Operations and Facilities

Airport Use	Private
Segmented Circle	No
Control Tower	NON-ATCT
Sectional chart	SAN FRANCISCO
Region	AWP - Western-Pacific
Responsible ARTCC	ZOA - OAKLAND
Tie-in FSS	OAK - OAKLAND
FSS Toll Free	1-800-WX-BRIEF

Runway Information

Runway 16/34

Dimensions	1900 x 75 ft (579 x 23 m)
Surface	TURF
Surface treatment
Edge lights	High

	16	34
Coordinates	37.938264 / -121.612825	37.933042 / -121.612858
Traffic pattern	Left	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
SUU	TACAN	TRAVIS	113X	116.60	13E	24.4 nm
NUQ	TACAN	MOFFETT	123X	117.60	17E	36.9 nm
CCR	VOR/DME	CONCORD	117X	117.00	17E	21.5 nm
LIN	VOR/DME	LINDEN	95X	114.80	17E	30.0 nm
OAK	VOR/DME	OAKLAND	115X	116.80	17E	31.6 nm
MOD	VOR/DME	MODESTO	93X	114.60	17E	36.2 nm
SJC	VOR/DME	SAN JOSE	88X	114.10	16E	37.2 nm
SFO	VOR/DME	SAN FRANCISCO	105X	115.80	17E	40.8 nm
SAU	VOR/DME	SAUSALITO	109X	116.20	17E	43.4 nm
MCC	VOR/DME	MC CLELLAN	29X	109.20	17E	45.1 nm
OSI	VOR/DME	WOODSIDE	86X	113.90	17E	45.6 nm
SAC	VORTAC	SACRAMENTO	99X	115.20	17E	30.7 nm
SGD	VORTAC	SCAGGS ISLAND	58X	112.10	17E	38.9 nm
SAC	VOT	SACRAMENTO EXECUTIVE		111.40		35.0 nm
SFO	VOT	SAN FRANCISCO		111.00		40.5 nm
SMF	VOT	SACRAMENTO INTL		111.40		45.4 nm

Remarks

• OWNER DESIRES ARPT NOT BE CHARTED.
• FOR CD CTC NORCAL APCH AT 916-361-0516.
• PROVIDED VFR OPNS, PRIVATE USE, OBSTRUCTION FREE INGRESS AND EGRESS AND ALL OPNS CONDUCTED IN ACCORDANCE WITH THE OVERLYING CLASS OF AIRSPACE.