MER
Castle Airport
Official FAA Data Effective 2026-08-06 0901Z
Chart Supplement
AF/D
AF/D
KMER Airport Diagram
Airport Diagram
VFR Chart of KMER
Sectional Charts at SkyVector.com
IFR Chart of KMER
Enroute Charts at SkyVector.com
Location Information for KMER
Coordinates: N37°22.83' / W120°34.09'
Located 03 miles NE of Atwater, California on 1360 acres of land. View all Airports in California.
Surveyed Elevation is 190 feet MSL.
Operations Data
Airport Use:Open to the public
Activation Date:July 1942
Status:Operational
Control Tower:Yes
Seg-Circle:Yes
Beacon:White-Green
(Lighted Land Airport)
Wind Indicator:Yes, Lighted
Lighting Schedule:SEE RMK
A.R.T.C.C.:OAKLAND
F.S.S.:RANCHO MURIETA
NOTAMs Facility:MER (NOTAM-D available)
Sectional Chart:SAN FRANCISCO
AirspaceAnalysis:NOT ANALYZED
NO OBJECTIONS
Attendance:ALL/MON-FRI/0800-1700
Airport Communications
ATIS:124.475
AWOS-3: Tel. 209-725-0104
CASTLE TOWER:118.175 235.775
CASTLE GROUND:133.575
NORCAL APPROACH:120.95 269.45
NORCAL DEPARTURE:120.95 269.45
CTAF:118.175
UNICOM:122.950
ASOS at MCE (6.0 SE):132.175 209-381-0926
ATIS at MOD (23.6 NW):127.7
ASOS at MOD (23.6 NW):127.7 209-572-0914
Remarks:
  • ATCT OPERATED BY SERCO, INC.
Nearby Navigation Aids
IDNameFreqRadial / Range
VOD HYP EL NIDO 113.85 305°12.6
VOD MOD MODESTO 114.60 111°23.8
VOT PXN PANOCHE 112.60 358°41.1
VOD LIN LINDEN 114.80 136°46.5
IDNameFreqBearing / Range
Runway 13/31
1,000 FT PAVED BLAST PAD BOTH ENDS OF RY.
Dimensions:11802 x 150 feet / 3597 x 46 meters
Surface:Asphalt-Concrete in Good Condition
Weight Limits:S-155, D-200, ST-415, DT-720
Edge Lighting:High Intensity
Runway 13Runway 31
Coordinates:N37°23.59' / W120°34.86'N37°22.07' / W120°33.33'
Elevation: 190.4 177.7
Traffic Pattern: Right
Runway Heading: 141° True 321° True
Markings:Non-Precision Instrument in good condition.Precision Instrument in good condition.
Glide Slope IndicatorP4L (3.00° Glide Path Angle)P4L (3.00° Glide Path Angle)
Approach Lights:ALSF1 Standard 2,400 Foot High-intensity Approach Lighting System with sequenced flashers, CATEGORY I Configuration.ALSF1 Standard 2,400 Foot High-intensity Approach Lighting System with sequenced flashers, CATEGORY I Configuration.
ALSF1 RY 13/31 SEQUENCED FLASHING LGTS OTS INDEFLY.
Services Available
Fuel:100LL (blue), Jet-A, Jet A-1
Transient Storage:Hangars,Tiedowns
Airframe Repair:MINOR
Engine Repair:MINOR
Bottled Oxygen:NOT AVAILABLE
Bulk Oxygen:NOT AVAILABLE
Ownership Information
Ownership:Publicly owned
Owner:MERCED COUNTY
COMMUNITY & ECONOMIC DEVELOPMENT
2222 M STREET
MERCED, CA 95340
209-385-7686
Manager:GEORGE CLOVER
2222 M STREET
MAILING ADDRESS
MERCED, CA 95340-4180
209-617-5399
DESK PHONE 209-385-7686, EXTN 4180.
Other Remarks
  • WHEN ATCT CLSD MAX OF 5 ACFT PMTD IN VFR TFC PAT AT ANY ONE TIME AND 2000 FT CIG AND 3 MIS VIS RCMDD.
  • FOR CD WHEN ATCT IS CLSD CTC NORCAL APCH AT 916-361-0516.
  • TWY B CLSD TO ACFT GTR THAN 30000 LBS.
  • RY 13/31 180 DEGREE TURNS PROHIBITIED.
  • FOR ARPT INFO 209-385-7686, EXTN 4180.
  • RY 31 WILL BE THE DESIGNATED CALM WIND RY (WIND 5 KNOTS OR LESS).
  • OPPOSITE END OF RY NOT VISIBLE ON TKOF. WHEN ATCT CLSD OPPOSITE DIRECTION TAKEOFFS AND LANDINGS ARE NOT AUTHORIZED.
  • CIVILIAN AND MILITARY TRAINING MAY OCCASIONALLY CAUSE PATTERN CONGESTION.
  • 0LL FOR FUEL FM 1800-0900 CALL (209) 725-1455.
  • WHEN ATCT CLSD ACTVT ALSF1 RWYS 13 & 31; HIRL RWY 13/31 - CTAF; 3 CLICKS ON, 5 CLICKS INCR INTST, 7 CLICKS OFF. PAPI RWYS 13 & 31 OPR CONSLY.
Instrument Approach Procedure (IAP) Charts