Calaveras County/Maury Rasmussen Field
CPU · KCPU · San Andreas, California · Calaveras County · map
Calaveras County/Maury Rasmussen Field is a public-use airport owned by the County of Calaveras, 4 miles southeast of San Andreas, California, 1,328 feet above sea level. Its one runway, 13/31, is 3,602 feet of asphalt. It has fuel (100LL avgas) and about 51 based aircraft. The FAA counts about 32,000 takeoffs and landings a year. About 2 passengers boarded flights here in the FAA's fiscal year 2024.
Weather right now KCPU · observed 12:15 pm PDT (19:15 UTC), 23 minutes ago
VFR good flying weather
- Wind from the south-southwest (200°) at 6 knots
- Visibility 10 miles or more
- Temperature 69°F (21°C), dew point 42°F (5°C)
- Altimeter 29.58 inHg
No terminal forecast is issued for this station. The nearest forecast is usually at the closest larger airport.
The codes as issued (METAR and TAF)
METAR KCPU 111915Z AUTO 20006KT 10SM CLR 21/05 A2958 RMK AO2 T02080053
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
Flight planning warnings, pilot reports, winds aloft, restrictions · for planning, not a briefing
No SIGMET or AIRMET covers this field right now.
Winds aloft at the nearest forecast point (SAC, 45 nm northwest), for use 14:00–21:00 UTC: 3,000 ft: 340° at 13 kt; 6,000 ft: 310° at 6 kt, 6 °C; 9,000 ft: 220° at 8 kt, 1 °C; 12,000 ft: 220° at 18 kt, -3 °C; 18,000 ft: 250° at 27 kt, -14 °C.
1 temporary flight restriction within 50 nautical miles:
- 6/6740 SACRAMENTO, CA, Thursday, October 8, 2026 through Sunday, October 11, 2026 Local 32 nm northwest · air shows/sports · until 11 October
The full picture: all warnings and reports, winds to 39,000 ft, radar and forecast charts
From the government's aviation weather service and the FAA's restriction list, refreshed every few minutes. This is for planning; the legal briefing comes from Flight Service or the FAA's own tools. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.
Activity now checking the volunteer receiver network…
Within ten miles
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Arrivals and departures, last hour
- Looking…
From the volunteer receiver network, a few minutes behind at most; aircraft whose owners asked the FAA not to be displayed are left out; no person is named. Open the live map here.
The airport
- Codes
- FAA CPU · ICAO KCPU
- Kind
- Airport · open to the public · publicly owned
- Owner
- County of Calaveras
- Elevation
- 1,328 feet above sea level
- Control tower
- No control tower
- Attended
- Monday to Friday, 8:30 am to 4:30 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel and services
- 100LL avgas; the services card below
- On the chart
- San Francisco sectional
- Magnetic variation
- 15E
- In the FAA's files since
- November 1981
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 13/31 | 3,602 × 60 ft | Asphalt, good | Medium-intensity lights |
- Runway 31: VASI, four boxes on the right, right-hand traffic pattern
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 123.0 | |
| Approach and departure | 125.1 | |
| Cpu and aWOS-3P | 118.525 |
Automated weather (AWOS-3P), by phone 209-736-2523.
Based aircraft as counted for the FAA, fiscal year 2024
Based aircraft, as a table
| aircraft | |
|---|---|
| single-engine | 48 |
| multi-engine | 3 |
Takeoffs and landings a year about 32,000, the FAA's fiscal year 2024 (October 2023 to September 2024)
Takeoffs and landings, as a table
| a year | |
|---|---|
| general aviation, travelling | 17,000 |
| general aviation, local | 15,000 |
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates. How this compares nationally: Airports by the numbers.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in San Andreas from the FAA register
11 aircraft are registered to owners in San Andreas, California: 10 piston singles, 1 glider. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, not named (the site's policy at this time). All aircraft registered in California.
Fuel and services as reported to the FAA
- Fuel
- 100LL avgas
- Repairs
- airframe and engine: major repairs
- Parking
- tie-downs
- Also here
- avionics, flight instruction, aircraft rental
Nearest fields reporting jet fuel: Columbia Airport (13 nm southeast), Westover Field Amador County (15 nm northwest), Lodi Airport (30 nm west), Rancho Murieta Airport (30 nm northwest).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in California · avgas.
Who works here from the FAA's certificate lists and the register
Flight schools, flying clubs and college flight programmes in San Andreas, by their names on the register:
- Mother Lode Flying Club 2 aircraft Mother Lode Flying Club is a flying club based in San Andreas and Sutter Creek, California.
Repair stations in San Andreas:
- Cutting Edge Avionics Cutting Edge Avionics is a repair station in San Andreas, California, specializing in aircraft avionics installation, upgrade, and repair.
Companies in the same town as this airport; not every one of them works from this field. All operators · all repair stations · all flight schools · all FBOs.
Examiners and inspectors nearby designated by the FAA · within 50 nautical miles
4 pilot examiners (the FAA's designated pilot examiners, who give the practical tests for pilot certificates) are based within 50 nautical miles: 4 for private pilot, 4 for commercial and instrument, 3 for airline transport pilot, 3 for flight instructor; 4 for airplanes, 4 for multi-engine airplanes. Also nearby: 2 sport aviation examiners, 9 aviation medical examiners, 3 engineering representatives, 2 training center examiners, 1 administrative pilot examiner.
- Robert Alan Davids private pilot, commercial and instrument, airline transport pilot, flight instructor, instrument instructor, instructor renewals, ground instructor; airplanes, multi-engine airplanes · Calaveras County Airport · San Andreas, CA (0 nm) · (209) 612-7432 · n3397c@aol.com
- Kenneth Sebastian Cobb private pilot, commercial and instrument, instructor renewals, military competency, ground instructor; airplanes, multi-engine airplanes · Inclusive Aviation in the main Terminal · Columbia, CA (13 nm) · (209) 480-6207 · crjken@gmail.com
- Jonathan Baror private pilot, commercial and instrument, airline transport pilot, flight instructor, instrument instructor, private pilot (proficiency), instructor renewals, ground instructor; airplanes, multi-engine airplanes · EVA Flight Training Center · Mather, CA (38 nm) · (310) 350-5184 · jonathanb@r-or.com
- Scott Richard Siemiller private pilot, commercial and instrument, airline transport pilot, flight instructor, instructor renewals, military competency, ground instructor; airplanes, multi-engine airplanes · Winton, CA (44 nm) · (209) 201-2866 · siemiller@sbcglobal.net
All 21 nearby, by kind, with contact details
What each kind does
- DPE: Designated Pilot Examiner: gives the practical tests (checkrides) for pilot certificates and ratings.
- SAE: Sport Aviation Examiner: gives the tests for sport pilot certificates and light-sport aircraft.
- AME: Aviation Medical Examiner: a doctor who issues the medical certificates pilots must hold.
- DER-T: Designated Engineering Representative: approves engineering data for repairs and alterations on the FAA's behalf.
- DCTO-E: Designee at a certificated training organisation.
- Admin-PE: Administrative Pilot Examiner: handles certificate paperwork rather than flight tests.
Designees are listed with the name and contact details the FAA publishes for them on its designee locator (read October 10, 2026): the FAA lists them so that pilots, mechanics and companies can find them. Private individuals are not named, the site's policy at this time. A designee who would rather not appear here can ask us through the contact address on the About page. Each designee is placed at the main public airport of the town the FAA lists (or the nearest one to its zip code), so "nearby" means the town, not an exact address. All examiners by state.
Accidents and incidents at or near this airport NTSB records · 9 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English. The country as a whole: Where accidents happen.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file, spelled out
- Effective runway gradient runway 13 0.6% up.
- Activate VASI runway 31; medium-intensity runway lights runway 13/31 - the common traffic frequency.
Connections how this airport links to the rest of the register
- Aircraft registered in San Andreas 11 aircraft · 10 piston singles, 1 gliders
- Mother Lode Flying Club 2 aircraft in town
- Mother Lode Flying Club 2 aircraft · flying club
- Cutting Edge Avionics · repair station
- NTSB accidents and incidents at or near this airport 9 since 1982 · 1 fatal
- Accidents and incidents in California 9,069 since 1982 · 1,094 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in California 244 landing places
- California 27,552 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/CPU.json.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 9, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.