Calaveras Co Maury Rasmussen Field
CPU · KCPU · San Andreas, CA · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:38 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:39 AM | 12:39Z |
| Sunrise | 06:08 AM | 13:08Z |
| Sunset | 08:09 PM | 03:09Z |
| Evening civil twilight Loggable night begins | 08:38 PM | 03:38Z |
Plan a flight from KCPU
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 13LEFT traffic
- Heading
- 131° mag · 146° true
- Dimensions
- 3,602 × 60 ft
- TPA
- 2,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 123.0
Enter the left downwind (heading 311°) on the 45° at 2,300 ft MSL (≈1,000 AGL).
More details — RWY 13
- Threshold elev
- 1,305 ft
- Markings
- basic
- TDZ elevation
- 1,325 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 13/31 | 3,602 ft |
Prefer one flat page? Full runway details for KCPU → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KCPU kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Angels Camp”Taxi & takeoff
“Angels Camp”Departure & arrival
“Norcal”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 363.2 | APCH/P |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
LIN 114.80 · MOD 114.60 · HNW 115.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| LIN · Linden | VOR/DME | 114.80 · 95X | High | r059° / 17.4 NM |
| MOD · Modesto | VOR/DME | 114.60 · 93X | High | r008° / 34.4 NM |
| HNW · Hangtown | VOR/DME | 115.50 · 102X | Low | r155° / 35.1 NM |
Prefer one flat list? All KCPU frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KCPU, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KCPU
- Coordinates
- 38.1461, -120.6480
- Elevation
- 1,328 ft MSL
- Magnetic variation
- 15E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3P · 118.525 · ☎ 209-736-2523
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- RANCHO MURIETA · 122.3 · 1-800-WX-BRIEF
- NOTAM facility
- RIU
- Attendance
- MON-FRI 0830-1630
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1981/11
- Distance from city
- 4 SE
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT VASI RWY 31; MIRL RWY 13/31 - CTAF. on 123.0 — Chart Supplement ↗
Runway lighting aids — 31: VASI.
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
- Fuel available
- 100LL
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns
- Other services
- Avionics, Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 3 notes
General
- EFFECTIVE RY GRADIENT RY 13 0.6% UP.
- FOR CD CTC NORCAL APCH AT 916-361-0516.
Lighting
- ACTVT VASI RWY 31; MIRL RWY 13/31 - CTAF.
Embed KCPU weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KCPU — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: O22 Columbia Airport (13 NM) · 6CA6 Eagle Ridge Ranch Airport (private) (14 NM) · CA19 Camanche Skypark Airport (15 NM) · 5CA8 Howard Private Airport (private) (15 NM) · JAQ Westover Field Amador County Airport (15 NM) · 08CL Kistler Ranch Airport (private) (18 NM)
About KCPU
Calaveras Co Maury Rasmussen Field (CPU · KCPU) is an airport in San Andreas, CA, at 1,328 ft MSL. It has 1 runway, the longest 3,602 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KCPU, refreshed from the Aviation Weather Center and FAA NASR.
Does KCPU have a control tower?
No. Calaveras Co Maury Rasmussen Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KCPU?
Calaveras Co Maury Rasmussen Field has 1 runway; the longest is 3,602 ft. See the Runways section for headings, surface, and lighting.
Where is KCPU?
Calaveras Co Maury Rasmussen Field is in San Andreas, CA, at an elevation of 1,328 ft MSL. Coordinates: 38.1461, -120.6480.
Fly out of KCPU often?
Save KCPU as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 KCPU 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.