Castle Airport

US Flag

Location

Latitude: 
 37-22-49.7440N (37.380484)
Longitude: 
 120-34-05.4710W (-120.568186)
Elevation: 
 190.4 feet MSL (58 m MSL)
Magnetic Variation: 
 12.5 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -8.0 (Standard Time)
UTC -7.0 (Daylight Savings Time)
From City: 
 03 N.M. NE of Atwater, California
Found On: 
 San Francisco Chart
FAA Region: 
 AWP

Contacts

MER Airport web site
MER Airport email
Manager: 
Publicly owned: 
GEORGE CLOVER
2222 M STREET
MERCED, CA 95340-4180
209-617-5399		 MERCED COUNTY
2222 M STREET
MERCED, CA 95340
209-385-7686

Operations

Airport Status: 
 Operational
Facility Use: 
 Public
Type: 
 Airport
Activation Date: 
 07/1942
Control tower: 
 Yes
Attendance (Months/Days/Hours): 
 Months/Days/Hours
ALL/MON-FRI/0800-1700
Boundary ARTCC: 
 ZOA (Oakland)
Responsible ARTCC: 
 ZOA (Oakland)
Lighting Schedule: 
 SEE RMK
Segmented Circle Indicator: 
 Yes
Traffic Pattern Altitude (MSL): 
 1190 feet (363 m)
NOTAMs Facility: 
 MER
NOTAM-D Service: 
 Yes
International Airport of Entry: 
 No
Customs Landing Rights: 
 No
Military Landing Rights: 
 Yes

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  118.175
Unicom:  122.950
Tower:  CASTLE
118.175
235.775
Hrs: 0700-2100
Ground:  133.575
Approach:  NORCAL
120.95
120.95
Departure:  NORCAL
120.95
120.95
ATIS:  124.475
Hrs: 24
AWOS-3:  (209-725-0104)

  • ATCT OPERATED BY SERCO, INC.
   

Fixed Based Operators (FBOs) & Fuel

(Click on a business for detail)
Please help us keep this information up to date. This is a FREE SERVICE just like everything else on Airport Guide! If you see that a business needs to be added, modified, or deleted please fill out our
.

Area Code: 209
Business Name Frequency Phone Fuel Grade
To add, modify, or delete a business
.

Flight Service Stations

Primary Alternate
FSS on Field:  N
FSS Name (ID):  Rancho Murieta(RIU)
Frequency: 
Toll Free Phone:  1-800-WX-BRIEF

Instrument Procedures / Charts


FAA Terminal Procedures valid from 0901Z 11/27/25 to 0901Z 12/25/25.

There are various types of charts available for an airport. They are listed in the Page Type column. Here is a legend for those types:

APD - Airport Diagram
DP - Departure Procedure Charts
HOT - Hot Spots
IAP - Instrument Approach Procedure Charts
MIN - Minimums
STAR - Standard Terminal Arrival Charts
Page Type Page Name Volume Action Since
Last Cycle
APD AIRPORT DIAGRAM SW-2
HOT HOT SPOT SW-2
IAP ILS OR LOC RWY 31 SW-2
IAP RNAV (GPS) RWY 13 SW-2
IAP RNAV (GPS) RWY 31 SW-2
MIN ALTERNATE MINIMUMS SW-2
MIN TAKEOFF MINIMUMS SW-2
Terminal Procedures are only available for airports in several countries with more being added all the time. If you are looking for a specific country's charts, please send an email to support(at)airportguide.com stating the country name. This will be used to prioritize the implementation.

Navigation Aids (Navaids) near MER

Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

Nearby Airports with Fuel

Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
6.3 Merced Yosemite Regional Airport
(MCE KMCE MCE)		 155 143 100LL, Jet A
8.7 Turlock Municipal Airport
(O15)		 315 302 100LL
20.2 Gustine Airport
(3O1)		 249 236 100LL
23.6 Modesto City-County-Harry Sham Field Airport
(MOD KMOD MOD)		 308 295 100LL, Jet A, Jet A-1+
23.8 Los Banos Municipal Airport
(LSN KLSN LSN)		 217 205 100LL, Jet A
25.1 Oakdale Airport
(O27)		 333 320 100LL
26.4 Mariposa-Yosemite Airport
(KMPI MPI)		 72 60 100LL, Jet A
32.1 Madera Municipal Airport
(MAE KMAE MAE)		 137 125 100LL, Jet A
34.3 Pine Mountain Lake Airport
(E45)		 32 19 100LL
38.5 William Robert Johnston Municipal Airport
(M90)		 165 153 100LL
39.7 Columbia Airport
(COA O22)		 10 357 100LL, Jet A
44.3 Stockton Metro Airport
(SCK KSCK SCK)		 314 301 100, 100LL, Jet A
45.5 Tracy Municipal Airport
(KTCY TCY)		 294 281 100LL, Jet A
46.1 Calaveras County/Maury Rasmussen Field Airport
(KCPU CPU)		 355 342 100LL
49.8 Hollister Municipal Airport
(HLI KCVH CVH)		 234 221 100LL, Jet A
52.3 San Martin Airport
(E16)		 250 237 Jet A, UL94
52.9 Fresno Chandler Exec Airport
(FCH KFCH FCH)		 137 125 100LL, Jet A
54.5 Fresno Yosemite International Airport
(FAT KFAT FAT)		 131 119 100, Jet A, Jet A++
56.8 Kingdon Airpark Airport
(O20)		 318 305 100LL
57.0 Byron Airport
(C83)		 298 285 100LL

Notices to Airmen (NOTAMS)

NOTAMs

List ALL KMER NOTAMs
View KMER NOTAMs

NOTAM Radius Search

NOTAMS within

Enter NOTAM radius search distance

This field is required
NM of KMER

NOTAM Flight Path Search (Enter from two to five locations below)

NOTAMS within

Enter NOTAM radius search distance

This field is required
NM of KMER

Remarks

A11 COMMUNITY & ECONOMIC DEVELOPMENT
A110-10 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.
A110-11 FOR CD WHEN ATCT IS CLSD CTC NORCAL APCH AT 916-361-0516.
A110-12 TWY B CLSD TO ACFT GTR THAN 30000 LBS.
A110-2 RY 13/31 180 DEGREE TURNS PROHIBITIED.
A110-3 FOR ARPT INFO 209-385-7686, EXTN 4180.
A110-4 RY 31 WILL BE THE DESIGNATED CALM WIND RY (WIND 5 KNOTS OR LESS).
A110-7 OPPOSITE END OF RY NOT VISIBLE ON TKOF. WHEN ATCT CLSD OPPOSITE DIRECTION TAKEOFFS AND LANDINGS ARE NOT AUTHORIZED.
A110-9 CIVILIAN AND MILITARY TRAINING MAY OCCASIONALLY CAUSE PATTERN CONGESTION.
A15 MAILING ADDRESS
A16 DESK PHONE 209-385-7686, EXTN 4180.
A30-13/31 1,000 FT PAVED BLAST PAD BOTH ENDS OF RY.
A49-31 ALSF1 RY 13/31 SEQUENCED FLASHING LGTS OTS INDEFLY.
A70-FUEL-10 0LL FOR FUEL FM 1800-0900 CALL (209) 725-1455.
A81-APT 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.
E111 NO OBJECTIONS

Runways

Runway Summary

Runways: 13/31
Longest Runway: 13/31 is 11802 ft (3597 m) long
Runways with an Instrument Approach: 31

MER Airport Runway Details

Runway 13/31  11802 ft x 150 ft (3597 m x 46 m)
Runway Length Source:  3RD PARTY SURVEY as of 03/18/2018
Surface:  Asphalt/Concrete - Good condition - No special surface treatment
Runway Edge Lights:  High Intensity

Runway Weight Bearing Capacity (in thousands of pounds) 
Single Wheel Landing Gear:  155.0
Dual Wheel Landing Gear:  200.0
Dual Tandem Wheel Landing Gear:  415.0
Dual Dual Tandem Wheel Landing Gear:  720.0

Runway 13

Runway 31
Elevation: 
 190.4 177.7
Latitude: 
 37-23-35.1052N 37-22-04.3785N
Longitude: 
 120-34-51.4520W 120-33-19.5055W
Runway True Alignment: 
 141 321
ILS Type: 
 LOC/GS
Glide Path Angle: 
 3.0 degrees 3.0 degrees
Traffic Pattern: 
 Right
Runway Markings Type: 
 Nonprecision Instrument Precision Instrument
Runway Markings Condition:
Good Good
Visual Glide Slope Indicators: 
 4-Light PAPI On Left Side Of Runway 4-Light PAPI On Left Side Of Runway
Approach Light System: 
 Standard 2,400 Foot High Intensity Approach Lighting System With Sequenced Flashers, Cat. I Config. Standard 2,400 Foot High Intensity Approach Lighting System With Sequenced Flashers, Cat. I Config.
REIL: 
 No
Threshold Crossing Height: 
 75 71

Services

Fuel Available: 
 100LL
Parking: 
 Tiedowns available
Other Services: 
 Skydiving instruction

Ratings and Reviews

Write a Review

Rate categories

Cleanliness
Facilities
Food & Shopping
WiFi & Internet
Staff & Service
Transportation
Parking
On-time Performance

Maps & Diagrams

MER Sectional

Flight Planning
at skyvector.com

MER Diagram


Do you have a better diagram of this ?
Please share it with us.