Calaveras Co Maury Rasmussen Field

CPU · KCPU · San Andreas, CA · 1,325 ft elevation · var 15E · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KCPU
Coordinates: 38.1461, -120.6480
Elevation: 1,325 ft MSL
Magnetic variation: 15E
Sectional chart: SAN FRANCISCO
Airport use: Public
Control tower: No
ARTCC: OAKLAND (ZOA)
Flight service (FSS): RANCHO MURIETA
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

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (PDT)	UTC
Morning civil twilight Loggable night ends	05:08 AM	12:08Z
Sunrise	05:40 AM	12:40Z
Sunset	08:29 PM	03:29Z
Evening civil twilight Loggable night begins	09:01 PM	04:01Z

Loggable night (§1.1)

09:01 PM → 05:08 AM

Night currency (§61.57)

09:29 PM → 04:40 AM

Plan a flight from KCPU

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

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 in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 13 · 130°
Pattern: left (turns left)
TPA: 2,300 ft MSL (≈1,000 AGL)
CTAF: 123.0

Enter the left downwind for Rwy 13 at 2,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 13/31

3,602 ft × 60 ft · Asphalt (Good)

Edge lights: Med. Weight bearing: Single wheel 12.5k.

Heading: 130° mag · 145° true
Markings: basic
Traffic pattern: Left

Heading: 310° mag · 325° true
Markings: basic
VGSI: VASI (3°)
Traffic pattern: Right

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
13/31	3,602 ft

Communication frequencies

Service	Frequency	Notes
APRCH	125.1	Norcal Approach/Departure
AWOS	118.525	AWOS 3
CNTR	126.85	OAKLAND CNTR
CTAF	123	CTAF/UNICOM
FSS	122.3	RANCHO RDO

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
LIN · Linden	VORTAC	114.80	r059° / 17.4 NM
ECA · Manteca	VORTAC	116.00	r036° / 31.1 NM
MOD · Modesto	VOR-DME	114.60	r008° / 34.4 NM
HNW · Hangtown	VOR-DME	115.50	r155° / 35.1 NM

Procedures at a glance

Lowest mins: RNAV (GPS) · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches1

RNAV (GPS) RWY 31 ↗

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KCPU on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns
Other services: Avionics, Instruction, Rental

Ownership & management

Owner

COUNTY OF CALAVERAS

GOVERNMENT CENTER, SAN ANDREAS, CA

209-736-2501

Manager

ALAINA BELLI

3600 CAROL KENNEDY DR., SAN ANDREAS, CA

209-736-2501

Remarks FAA

EFFECTIVE RY GRADIENT RY 13 0.6% UP.
FOR CD CTC NORCAL APCH AT 916-361-0516.
ACTVT VASI RWY 31; MIRL RWY 13/31 - CTAF.

Nearby airports

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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.

About KCPU

Calaveras Co Maury Rasmussen Field (CPU · KCPU) is an airport in San Andreas, CA, at 1,325 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 on the Comms & NavAids tab.

What is the longest runway at KCPU?

Calaveras Co Maury Rasmussen Field has 1 runway; the longest is 3,602 ft. See the Runways tab for headings, surface, and lighting.

Where is KCPU?

Calaveras Co Maury Rasmussen Field is in San Andreas, CA, at an elevation of 1,325 ft MSL. Coordinates: 38.1461, -120.6480.

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