Airport & FBO Info for KMER/MER CASTLE ATWATER CA
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KMER

Whisper PlateWhisper Track
CASTLE       ATWATER       CA
  Time Zone: Pacific 
Lat: N 3722.8     Long: W 12034.1    Elev: 190     Var: -15  Longest Runway: 11802
    Dept. ATIS: 124.47     Arr. ATIS: 124.47     AWOS: 124.47   Ground: 133.57     Tower: 118.17

FBO & Flight Services info for KMER

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GEMINI FLT SUPPORPh: 209-725-1455 Fax: 209-725-1414 Freq: 122.95

AWOSPh: 209-725-0104
-
Freq: 124.47  
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Runway & Approach Info for KMER
Rwy
Length
Land Dist**
Approach*
  Rwy
Length
Land Dist**
Approach*
13
11802x150  11802'          
 
  
31
  11802x150  11802'          
LOC/GS
 109.50 - 306°  
 * only ILS, LOC, LDA, and SDF approaches to a specific runway are shown
** For any Declared Landing Distance Available, please see A/FD or Approach plates
Runway Weight Capability (lbs.) Help
Runway IDSingle WheelDouble WheelDouble Tandem WheelDual Double Wheel
13/31155,000200,000415,000720,000
These numbers are Advisory and are not limits.   The Airport Manager should have more accurate Weight Limits
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Approach Charts
Approaches    
Current Weather/Notams
Customs Information Send updates to Support@FltPlan.com
Customs Not Available
A/FD
Airport / Facility DirectoryA/FD Legend
Database effective 06/12/2025
Airport Diagram of KMER
Airport Diagram might not be current.

Facility Name: CASTLE
City Name: ATWATER
County: MERCED
State abbrev: CA
State Name: CALIFORNIA
   
Ownership: PUBLICLY OWNED
Use: OPEN TO THE PUBLIC
Owner's Name: MERCED COUNTY; COMMUNITY & ECONOMIC DEVELOPMENT
Address: 2222 M STREET
 MERCED, CA 95340
Owner's Phone: 209-385-7686
  
Manager's Name: GEORGE CLOVER
Address: 2222 M STREET; MAILING ADDRESS
 MERCED, CA 95340-4180
Phone: 209-617-5399; DESK PHONE 209-385-7686, EXTN 4180.
   
FAA Region: WESTERN-PACIFIC
FAA Field Office: SFO
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Sunrise / Sunset times for CASTLE

DateSunriseSunset
05/19/25 Monday5:5020:08
05/20/25 Tuesday5:5020:08
05/21/25 Wednesday5:4920:09
05/22/25 Thursday5:4820:10
05/23/25 Friday5:4820:11
05/24/25 Saturday5:4720:12
05/25/25 Sunday5:4620:12
05/26/25 Monday5:4620:13
05/27/25 Tuesday5:4520:14
05/28/25 Wednesday5:4520:15
05/29/25 Thursday5:4420:15
05/30/25 Friday5:4420:16
05/31/25 Saturday5:4420:17
06/01/25 Sunday5:4320:17

Airport Facilities

Airport Attendance ScheduleMON-FRI 0800-1700
Airport Status OPERATIONAL (This Status can change at any time - please check NOTAMS)
Airport Lighting ScheduleWHEN 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.
Airport Storage AvailableTie Downs, Hanger
Extra Services AvailableNONE
Wind IndicatorYES - (lighted)
Control TowerYES
CTAF Frequency118.175
Unicom Frequency122.950
Rotating Beacon ColorWG
Segmented CircleYES
Landing FeeNO

Airport Inspection Data

Airport InspectedSTATE - performed by STATE AERONAUTICAL PERSONNEL
Inspection Date01/27/2025

Airport Services

Type of Fuel AvailableGrade 100LL, JET A (freeze point -40C), JET A-1 (freeze point -50C); -10FOR FUEL FM 1800-0900 CALL (209) 725-1455.
Airframe Repair ServiceMINOR
Power Plant Repair ServiceMINOR

Geographic Data

LatitudeN3722.8
LongitudeW12034.1 (ESTIMATED)
Arpt Elevation190ft (SURVEYED)
Magnetic Variation15E
3 miles NEof ATWATER
Traffic Pattern Altitude
Sectional ChartSAN FRANCISCO

Aircraft Data

Operations (Reported)YearlyAvg. Daily
General Aviation Transient 00
General Aviation Local 00
Air Taxi 00
Commerical 00
Commuter 00
Military 00
Aircraft based on Field
General Aviation Singles 0
General Aviation Multi 0
Jet Aircraft 0
General Aviation Helicopters 0
Military Aircraft 0
Gliders 0
Ultralights 0

FAA Services

FSS on field NO
FSS tie-in RANCHO MURIETA
FSS Phone 1-800-WX-BRIEF
Who issues Notams MER
Notam D service at airport YES
ARTCC Name OAKLAND

Federal Status

Airport Certification
Aircraft Rescue & Firefighting IndexNone
Airport of EntryNo
Custom Landing RightsNo
Joint Civil/MilitaryNo
Military Landing rightsYES

Federal Agreements

NATIONAL PLAN OF INTEGRATED AIRPORT SYSTEMS (NPIAS)

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.
RWY 13/3 1 1,000 FT PAVED BLAST PAD BOTH ENDS OF RY.
Airport Communications & Frequencies:
ATIS Frequencies:   Hours(local) of Operation: CONTINUOUS
124.475
CASTLE Tower Frequencies:   Hours(local) of operation: 0700-2100   
118.175
235.775
CASTLE Ground Frequencies:
133.575
CTAF Frequency:
118.175
Unicom Frequency:
122.950
Remarks
  • ATCT OPERATED BY SERCO, INC.
    • NORCAL Primary Approach Frequencies:  
    120.95
    269.45
    NORCAL Primary Departure Frequencies:  
    120.95
    269.45
    Runway Identifications
    Runway Identification: 13/31
    Length: 11802 ft
    Width: 150 ft
    Surface: CONCRETE ASPHALT-GOOD CONDITION
    Edge lights: High Intensity
    Treatment: NONE

     Runway: 13   Runway: 31
    Mag heading: 126°Mag heading: 306°
    Rwy Slope: -.11% DownRwy Slope: .11% Up
    Approach: Approach: LOC/GS
    Pattern: Left TrafficPattern: Right Traffic
    Markings: NONPRECISION INSTRUMENTMarkings: PRECISION INSTRUMENT
    Marking Condition: GOODMarking Condition: GOOD
    Arresting Dev: Arresting Dev:
    Lat & Long: N3723.6  W12034.9Lat. & Long.: N3722.1  W12033.3
    Elev: 190.4 ft. MSLElev: 177.7 ft. MSL
    TCH: 75 ft. AGLTCH: 71 ft. AGL
    Visual Glide Path: 3.00 degreesVisual Glide Path: 3.00 degrees
    Displaced Threshold: NoDisplaced Threshold: No
    Touchdown Zone: YESTouchdown Zone: YES
    Touchdown Elev.: 190.4 feetTouchdown Elev.: 180.7 feet
    Visual Glide Slope: 4-Light PAPI on LEFT side of RunwayVisual Glide Slope: 4-Light PAPI on LEFT side of Runway
    RVR Equipment: RVR Equipment:
    RVV Equipment: NORVV Equipment: NO
    Approach Lights: ALSF1 - standard 2,400 foot high intensity approach lighting system with sequenced flashers, Category IApproach Lights: ALSF1 - standard 2,400 foot high intensity approach lighting system with sequenced flashers, Category I; ALSF1 RY 13/31 SEQUENCED FLASHING LGTS OTS INDEFLY.
    REIL: NOREIL: NO
    Centerline Lights: NOCenterline Lights: NO
    Touchdown lights: NOTouchdown lights: NO
    Runway Category: DRunway Category: Precision Instrument Runway
    Declared Distances: Declared Distances:
    C:4/P:

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