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KMER Castle Airport

Atwater, CA · 3 miles NE of ATWATER, CA

Public Towered Publicly-owned ICAO KMER
Map ↗ SkyVector ↗ AirNav ↗
ATIS
124.475
Ground
133.575
[0700-2100]
Tower
118.175
235.775
[0700-2100]
2 freqs · tap ›
Unicom
122.95
Departure
120.95
Approach
120.95
Weather
209-725-0104
CTAF
118.175

Location & operations

Elevation
190.4 ft
Coordinates
37-22-49.7440N 120-34-05.4710W
Lat / Long
37.3804844, -120.5681864
Mag. variation
15E (2000)
Time zone
UTC -7 (UTC -8 during Standard Time)
Activated
07/1942
ARTCC
OAKLAND CENTER
FSS
RANCHO MURIETA FLIGHT SERVICE STATION
NOTAMs facility
MER (NOTAM-D service available)
Attendance
MON-FRI 0800-1700
Wind indicator
lighted
Segmented circle
yes
Beacon
white-green (lighted land airport) Operates sunset to sunrise.
Lights
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.

Airport diagram FAA official

KMER airport diagram

Range from KMER

Runways

Longest 11,802 ft

Tap a runway to see its details.

Waiting for current wind…

Dimensions
11802 x 150 ft. / 3597 x 46 m
Surface
asphalt/concrete, in good condition
Edge lights
high intensity Operational restrictions
Weight bearing
Single wheel 155.0

Runway 13

Heading
126 magnetic, 141 true
VGSI / PAPI
4-light PAPI on left (3.00 degrees glide path)
Instrument approach
LOC/GS
Approach lights
ALSF1: standard 2,400 foot high intensity approach lighting system with centerline sequenced flashers (category I)
Markings
nonprecision, in good condition
Touchdown point
yes, no lights
REIL
no
Traffic pattern
left
Threshold elevation
190.4 ft.

Runway 31

Heading
306 magnetic, 321 true
VGSI / PAPI
4-light PAPI on left (3.00 degrees glide path)
Approach lights
ALSF1: standard 2,400 foot high intensity approach lighting system with centerline sequenced flashers (category I)
Markings
precision, in good condition
Touchdown point
yes, no lights
Traffic pattern
right
Threshold elevation
177.7 ft.

Terminal procedures FAA d-TPP · cycle 2608 · through 0901Z 09/03/26

📄 AIRPORT DIAGRAM (FAA) ↗

Departures — DP / ODP 2

Approaches — IAP 3

Arrivals — STAR 0

None published.

Other charts 1

Procedure charts published by the FAA (public domain). Confirm the current cycle before flight.

Communications

Control Tower
Yes
Approach Lights
ALSF1: standard 2,400 foot high intensity approach lighting system with centerline sequenced flashers (category I)

Services

Fuel
100LLJet-AFuelFm1800-0900Call(209)725-1455.
100LL $7.80 full
Jet A $7.92 full
AirNav, updated nightly
Fuel available
100LL JET-A JET-A1 100LL:FOR FUEL FM 1800-0900 CALL (209) 725-1455.
Parking
hangars and tiedowns
Airframe service
MINOR
Powerplant service
MINOR

Airport data aggregated from public FAA/AirNav sources for reference only — always consult official charts and NOTAMs for flight planning.