1
Runway
8
Frequencies
0
Procedures
2
NOTAMs
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
Fuel Types
100LL,A,A1
ARTCC
OAKLAND
Coordinates
37.3805, -120.5682
Ownership
Public
Hours of Operation
Current Weather
METAR KMCE 220053Z AUTO 33010KT 10SM CLR 33/06 A2973 RMK AO2 SLP067 T03330056
Flight Category
VFR
Wind
330° at 10 kt
Visibility
10+ SM
Temperature
33.3°C
Dewpoint
5.6°C
Altimeter
1006.90 inHg
Cloud Cover
CLR
Nearest weather from KMCE (7 NM away)
Observed 2026-05-22 00:53Z
Nearby Weather Cameras
No camera at KMER. Showing nearest cameras.
Merrell Rd
North · Camera 1 · 4 cameras total
34 NM away
Mt Oso
West · Camera 3 · 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 | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 13/31 | 11,802 ft | 150 ft | ASPH-CONC | HIGH |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| APCH/P DEP/P | 269.45 | NORTHERN CALIFORNIA TRACON |
| APCH/P DEP/P | 120.95 | NORTHERN CALIFORNIA TRACON |
| ATIS | 124.475 | CASTLE |
| CTAF | XXX.XXX | CASTLE |
| GND/P | XXX.XXX | CASTLE |
| LCL/P | XXX.XXX | CASTLE |
| LCL/P | XXX.XXX | CASTLE |
| UNICOM | XXX.XXX | CASTLE |
Active NOTAMs
Nearby Airports in California
3H Cattle Company Airport
Hanford — 223 ft
CL25
7R RANCH
CUYAMA — 3,176 ft
CL25
7R Ranch Airport
New Cuyama — 3,176 ft
7CA1
ABRAHAM RANCH
LUCERNE VALLEY — 2,850 ft
7CA1
ABRAHAM RANCH
LUCERNE VALLEY — 2,850 ft
Aciero Farms Landing Field
Randsburg — 2,053 ft
52CL
ADELANTO
ADELANTO — 3,075 ft
52CL
Adelanto Airport
Adelanto — 3,075 ft
Nearest airports
- null — 3H Cattle Company Airport
Hanford
- CL25 — 7R RANCH
CUYAMA
- CL25 — 7R Ranch Airport
New Cuyama
- 7CA1 — ABRAHAM RANCH
LUCERNE VALLEY
- 7CA1 — ABRAHAM RANCH
LUCERNE VALLEY
California airports
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.
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.
Current Conditions
The current flight category at CASTLE is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There are currently 2 active NOTAMs for this facility.
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).
Is fuel available at KMER?
Yes, CASTLE offers 100LL,A,A1 fuel.
What are the current weather conditions at KMER?
The current flight category at CASTLE is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KMER?
There are currently 2 active NOTAMs for CASTLE. Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
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.