Mark Twain Medical Center HeliportPrivate
CA25 · San Andreas, CA · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-21 · night begins 07:28 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:23 AM | 13:23Z |
| Sunrise | 06:49 AM | 13:49Z |
| Sunset | 07:01 PM | 02:01Z |
| Evening civil twilight Loggable night begins | 07:28 PM | 02:28Z |
Plan a flight from CA25
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 70 ft |
Prefer one flat page? Full runway details for CA25 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the CA25 kneeboard →
Comms & NavAids
Nearby navigation aids
LIN 114.80 · HNW 115.50 · MOD 114.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| LIN · Linden | VOR/DME | 114.80 · 95X | High | r049° / 17.3 NM |
| HNW · Hangtown | VOR/DME | 115.50 · 102X | Low | r156° / 32.3 NM |
| MOD · Modesto | VOR/DME | 114.60 · 93X | High | r005° / 36.5 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for CA25 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- CA25
- Coordinates
- 38.1908, -120.6692
- Elevation
- 1,033 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Private
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- RANCHO MURIETA · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1970/08
- Distance from city
- 1 NW
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- FOR CD CTC NORCAL APCH AT 916-361-0516.
Runways
- HELIPORT SIZE (DIAMETER) BASED ON WEIGHT BEARING PORTION OF TLOF RECORDED IN AERONAUTICAL STUDY NUMBER 93-SFO-202-SFO
- HELIPORT SIZE (DIAMETER) BASED ON WEIGHT BEARING PORTION OF TLOF RECORDED IN AERONAUTICAL STUDY NUMBER 93-SFO-202-SFO
Lighting
- FOR PERIMETER LGTS CALL 209-754-2635.
Nearby airports
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Also nearby: 16CL Mother Lode Service Center (private) (9 NM) · CL21 Sutter Amador Hospital (private) (11 NM) · 6CA6 Eagle Ridge Ranch (private) (12 NM) · 5CA8 Howard /Private/ (private) (13 NM)
About CA25
Mark Twain Medical Center (CA25) is a heliport in San Andreas, CA, at 1,033 ft MSL. It has 1 runway, the longest 70 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for CA25, refreshed from the Aviation Weather Center and FAA NASR.
Does CA25 have a control tower?
No. Mark Twain Medical Center is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at CA25?
Mark Twain Medical Center has 1 runway; the longest is 70 ft. See the Runways section for headings, surface, and lighting.
Where is CA25?
Mark Twain Medical Center is in San Andreas, CA, at an elevation of 1,033 ft MSL. Coordinates: 38.1908, -120.6692.
More about CA25
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open CA25 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.