1
Runway
8
Frequencies
8
Procedures
Quick Facts
ICAO
KMER
FAA
MER
Elevation
190.4 ft MSL
Runways
1
Frequencies
8
Tower
Yes
Fuel
100LL,A,A1
Coordinates
37.380, -120.568
Airport Information
Facility Type
AIRPORT
Elevation
190.4 ft MSL
Control Tower
Yes
CTAF
118.175 MHz
Fuel Types
100LL,A,A1
Traffic Pattern
Not published
ARTCC
OAKLAND
Coordinates
37.3805, -120.5682
Ownership
Public
Hours of Operation
Current Weather
Nearby Weather Cameras
No camera at KMER. Showing nearest cameras.
Situational awareness only — not for regulatory minimums
FAA aviation weather camera images are for situational awareness. They may NOT be used to comply with regulatory requirements — for example, to determine weather minimums for IFR flight. Images are generally updated about every 10 minutes and actual site conditions may differ from the displayed image. FAA Order JO 7110.10, §8-3-3
Merrell Rd
North · Camera 1 · 4 cameras total
34 NM away
Mt Oso
NorthEast · Camera 1 · 4 cameras total
49 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 13/31 | 13 / 31 | 11,802 ft | 150 ft | ASPH-CONC | HIGH | SW (Single Wheel) 155,000 lbsDW (Dual Wheel) 200,000 lbsDTW (Dual Tandem) 415,000 lbsDDTW (Double Dual Tandem) 720,000 lbs | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| APCH/P DEP/P | 269.45 | NORTHERN CALIFORNIA TRACON | CASTLE | APCH/P DEP/P | - |
| APCH/P DEP/P | 120.95 | NORTHERN CALIFORNIA TRACON | CASTLE | APCH/P DEP/P | - |
| ATIS | 124.475 | CASTLE | CASTLE | ATIS | 0700-2100 |
| CTAF | XXX.XXX | CASTLEWHEN 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. | - | CTAF | - |
| GND/P | XXX.XXX | CASTLE | CASTLE | GND/P | 0700-2100 |
| LCL/P | XXX.XXX | CASTLE | CASTLE | LCL/P | 0700-2100 |
| LCL/P | XXX.XXX | CASTLE | CASTLE | LCL/P | 0700-2100 |
| UNICOM | XXX.XXX | CASTLE | - | UNICOM | - |
Airport Remarks
- NO OBJECTIONS
- 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.
- 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.
- 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.
- MAILING ADDRESS
- COMMUNITY & ECONOMIC DEVELOPMENT
- DESK PHONE 209-385-7686, EXTN 4180.
- FOR FUEL FM 1800-0900 CALL (209) 725-1455.
- 1,000 FT PAVED BLAST PAD BOTH ENDS OF RY.
- ALSF1 RY 13/31 SEQUENCED FLASHING LGTS OTS INDEFLY.
IFR Procedures
2 Runway, 1 ILS, 4 Approaches, 1 Localizer
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KMER Operational Overview
Location & Facility
CASTLE (KMER) is a publicly owned airport open to the public located in ATWATER, California, United States. The field sits at an elevation of 190.4 feet above mean sea level (MSL) at coordinates 37.3805°N, 120.5682°W.
Runways
CASTLE has 1 runway. The longest runway (13/31) measures 11,802 feet by 150 feet with a asph-conc surface.
Communications & Operations
CASTLE is a towered airport. ATIS is available on 124.475 MHz. A total of 8 communication frequencies are published for this facility.
Services & Fuel
CASTLE offers 100LL,A,A1 fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Instrument Procedures
CASTLE has 8 published instrument flight procedures, including 2 approaches. These procedures are updated on the 28-day AIRAC cycle. Sign up for AeroCopilot to view full procedure charts with waypoint maps and altitude profiles.
Weather Cameras
3 FAA Weather Cameras are available near CASTLE, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Frequently Asked Questions
What is KMER?
KMER is the ICAO identifier for CASTLE, a public-use airport, located in ATWATER, California, United States.
How many runways does CASTLE have?
CASTLE (KMER) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KMER?
The field elevation of CASTLE is 190.4 feet above mean sea level (MSL), surveyed.
Is fuel available at KMER?
Yes, CASTLE offers 100LL,A,A1 fuel.
What is the longest runway at KMER?
The longest runway at CASTLE is 11,802 feet long.
How much weight can the main runway at KMER support?
The main runway at CASTLE supports single-wheel landing gear aircraft up to 155,000 lbs.
How do I access complete data for KMER?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for CASTLE.
Where is CASTLE located?
CASTLE (KMER) is located in ATWATER, California, United States, at an elevation of 190.4 ft MSL.
Does KMER have weather cameras?
KMER does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.