Mark Twain Medical Center Heliport (CA25)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	CA25
Airport Status	Operational
Longitude/Latitude	120°40'9.0000" W / 38°11'26.7000" N -120.669167 / 38.190750 (Estimated)
Elevation	1033.00 ft / 314.86 m (Surveyed)
From nearest city	1 nautical miles NW of San Andreas, CA
Location	Calaveras County, CA
Magnetic Variation	16E (1985)

Owner & Manager

Ownership	Publicly owned
Owner	MARK TWAIN MEDICAL CENTER
Address	768 MOUNTAIN RANCH ROAD SAN ANDREAS, CA 95249
Phone number	209-754-3521
Manager	BILL WENNHOLD
Address	768 MOUNTAIN RANCH ROAD SAN ANDREAS, CA 95249
Phone number	(209) 754-2961

Airport Operations and Facilities

Airport Use	Private
Wind indicator	Yes
Segmented Circle	No
Control Tower	NON-ATCT
Lighting Schedule	SEE RMK
Landing fee charge	No
Sectional chart	SAN FRANCISCO
Region	AWP - Western-Pacific
Responsible ARTCC	ZOA - OAKLAND
Tie-in FSS	RIU - RANCHO MURIETA
FSS on Airport	No
FSS Toll Free	1-800-WX-BRIEF

Airport Services

Airframe repair	NONE
Power plant repair	NONE

Runway Information

Runway H1

Dimensions	70 x 70 ft (21 x 21 m)
Surface	ASPH
Surface treatment
Edge lights	PERI

	H1
Physical elevation	1033.00 ft	ft
Coordinates	38.190750 / -120.669167	0.000000 / 0.000000
Traffic pattern	Left	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
LIN	VOR/DME	LINDEN	95X	114.80	17E	17.3 nm
HNW	VOR/DME	HANGTOWN	102X	115.50	17E	32.3 nm
MOD	VOR/DME	MODESTO	93X	114.60	17E	36.5 nm
MCC	VOR/DME	MC CLELLAN	29X	109.20	17E	44.9 nm
SAC	VORTAC	SACRAMENTO	99X	115.20	17E	44.3 nm
SAC	VOT	SACRAMENTO EXECUTIVE		111.40		43.4 nm

Remarks

• FOR CD CTC NORCAL APCH AT 916-361-0516.
• APCH/DEP 075 & 230 DEG TO AVOID FIXED-WING TFC FOR CALAVERAS CO ARPT. FOR NGT OPS LGT IN ACCORDANCE W AC 150/5390-1A.