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Castle Airport

MER · KMER · Merced, CA · 191 ft elevation · var 15E · Towered

Airport information

ICAO / IATA
KMER / MER
Coordinates
37.3805, -120.5680
Elevation
191 ft MSL
Magnetic variation
15E
Sectional chart
SAN FRANCISCO
Airport use
Public
Control tower
Yes
ARTCC
OAKLAND (ZOA)
Flight service (FSS)
RANCHO MURIETA
NOTAM facility
MER
Attendance
MON-FRI 0800-1700
Beacon
white-green (SS-SR)
Segmented circle
Yes
Wind indicator
lighted
Activated
1942/07
Distance from city
3 NE

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
05:10 AM12:10Z
Sunrise05:42 AM12:42Z
Sunset08:26 PM03:26Z
Evening civil twilight
Loggable night begins
08:57 PM03:57Z
Loggable night (§1.1)
08:57 PM → 05:10 AM
Night currency (§61.57)
09:26 PM → 04:42 AM

Plan a flight from KMER

Runway 13/31

11,802 ft × 150 ft · ASPH-CONC (Good)

Edge lights: High. Weight bearing: Single wheel 155k, Double wheel 200k, Dual tandem 415k, Double dual tandem 720k.

13
Heading
126° mag · 141° true
Markings
nonprecision
VGSI
4-light PAPI (left) (3°)
Approach lights
ALSF1
Traffic pattern
Left
31
Heading
306° mag · 321° true
Markings
precision
VGSI
4-light PAPI (left) (3°)
Approach lights
ALSF1
Instrument approach
LOC/GS
Traffic pattern
Right

Communication frequencies

ServiceFrequencyNotes
A/D120.95NORCAL APP/DEP
AWOS124.475AWO 3
UNIC123.075CTAF/UNICOM

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
HYP · El NidoVOR-DME114.20r305° / 12.6 NM
MOD · ModestoVOR-DME114.60r111° / 23.8 NM
ECA · MantecaVORTAC116.00r116° / 39.5 NM

Airport diagram

Open PDF ↗
Preview diagram Open the airport diagram PDF

Approaches

Chart Supplement FAA A/FD

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Preview Chart Supplement Open the Chart Supplement PDF

Services

Fuel available
100LL, Jet A, Jet A-1
Airframe service
MINOR
Powerplant service
MINOR
Parking
tiedowns, hangars

Ownership & management

Owner
MERCED COUNTY
2222 M STREET, MERCED, CA
209-385-7686
Manager
GEORGE CLOVER
2222 M STREET, MERCED, CA
209-617-5399

Remarks FAA

  • 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.

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KMER in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.