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CASTLE - Airport Diagram
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KMER
CASTLE
PublicPUB

3 miles NE of ATWATER, CA
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Operational
37° 22' 50"N 120° 34' 05"W
190' MSL
1190' MSL
15E
JET A, JET A-1, 100LL
RANCHO MURIETA (RIU)
SAN FRANCISCO
OAKLAND (ZOA)
11/27/25-12/25/25
KMER LIFR
2:55 PM PST  
Mist
Overcast 400'
3sm
32°F
32°F
N/A
Calm
METAR KMER 142255Z 00000KT 3SM BR OVC004
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KMER FBOs

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KT Aero
UNICOM: 122.95
Phone: (209) 504-4612
No Rating Available
0 Reviews (Read | Sign In To Write)
Aircraft Ground Service, Fuel Retailer, GPU/Power Cart, Hangar Sales/Leasing, Internet Access, Pilot Lounge, Pilot Supplies, Public Telephone, Restrooms, Transient Hangars, Transient Parking
Phillips 66
As of 12/6
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve
Full Serve 6.30 5.95 6.05
Fuel Notes
Prices include tax
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122.95 118.175

ATIS

ATIS
 124.475

Ground

GND/P
 133.575

Tower

LCL/P
 118.175

FAA A/FD Pages

Airport Diagrams

Airport Minimums

Departure Procedures

  • No Documents

Hotspot

Standard Term. Arrival

  • No Documents

Instrument Approach

Terminal Area Forecast

KMER
Sun, 12/14 11:15 AM PST
Sun, 12/14 11:00 AM PST - Mon, 12/15 10:00 AM PST
LIFR
11:00 AM PST - 2:00 PM PST
Fog
Obscured
0.5sm
Calm
LIFR
2:00 PM PST - 5:00 PM PST
Mist
Overcast 300'
4sm
VRB° 5kts
IFR
5:00 PM PST - 10:00 PM PST
Mist
Overcast 500'
2sm
Calm
IFR
10:00 PM PST - 10:00 AM PST
Mist
Overcast 500'
1sm
VRB° 2kts
LIFR
Temporary 12:00 AM PST - 4:00 AM PST
Fog
Overcast 200'
0.25sm
Calm
TAF KMER 141915Z 1419/1518 00000KT 1/2SM FG VV003
   FM142200 VRB05KT 4SM BR OVC003
   FM150100 00000KT 2SM BR OVC005
   FM150600 VRB02KT 1SM BR OVC005
   TEMPO 1508/1512 1/4SM FG OVC002 AMD NOT SKED
KMER
EffectiveExpiresCategoryNOTAM
Domestic
9/29/25
1509Z
12/18/25
2359Z
!MER 09/015 MER SVC AUTOMATED WX BCST SYSTEM U/S 2509291509-2512182359
9/26/25
1443Z
Runway!MER 09/013 MER RWY 31 SEQUENCED FLG LGT U/S 2509261443-2603262111EST
6/12/25
1400Z
!MER 06/002 MER SVC PCL CHANGED TO 118.175 2506121400-PERM
Yes
MON-FRI 0800-1700
MERCED COUNTY
2222 M STREET
MERCED, CA 95340
Phone: 209-385-7686
GEORGE CLOVER
2222 M STREET
MERCED, CA 95340-4180
Phone: 209-617-5399
RANCHO MURIETA FSS (RIU)
Toll Free: 1-800-WX-BRIEF
MER
--
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.
N/A
Yes - Lighted
Yes
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Minor
Minor
None
None
None

Runway 13/31

11802 ft. x 150 ft.
ASPH CONC  
Good 
NONE 
HIGH 
 
155,000lbs 
200,000lbs 
415,000lbs 
720,000lbs 
  Runway 13 Runway 31
True Heading 141°321°
Traffic Pattern Right
Markings NPI PIR
Markings Condition GOOD GOOD
Latitude 37° 23' 35"N 37° 22' 04"N
Longitude 120° 34' 51"W 120° 33' 20"W
Elevation 190' 178'
Threshold Crossing Height 75 ft. AGL 71 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights ALSF1 ALSF1
Centerline Lights
Runway End Identifier Lights No
A110-10WHEN ATCT CLSD MAX OF 5 ACFT PMTD IN VFR TFC PAT AT ANY ONE TIME AND 2000 FT CIG AND 3 MIS VIS RCMDD.
A110-11FOR CD WHEN ATCT IS CLSD CTC NORCAL APCH AT 916-361-0516.
A110-12TWY B CLSD TO ACFT GTR THAN 30000 LBS.
A110-2RY 13/31 180 DEGREE TURNS PROHIBITIED.
A110-3FOR ARPT INFO 209-385-7686, EXTN 4180.
A110-4RY 31 WILL BE THE DESIGNATED CALM WIND RY (WIND 5 KNOTS OR LESS).
A110-7OPPOSITE END OF RY NOT VISIBLE ON TKOF. WHEN ATCT CLSD OPPOSITE DIRECTION TAKEOFFS AND LANDINGS ARE NOT AUTHORIZED.
A110-9CIVILIAN AND MILITARY TRAINING MAY OCCASIONALLY CAUSE PATTERN CONGESTION.
CASTLE (ICAO: KMER, IATA: MER) is a public airport located in ATWATER, CA.