MER · KMER · Castle Airport

Castle Airport (MER)

Merced, United States · medium airport · 37.380° -120.568° ·
Airport Information
IATA CodeMER
ICAO CodeKMER
Typemedium airport
NameCastle Airport
MunicipalityMerced
CountryUnited States
ContinentNA
Latitude37.380° N
Longitude-120.568° W
Elevation191 ft
Climate ZoneTemperate
Scheduled ServiceYes
Score300
Local TimeLoading...
Country & Timezone Info
CountryUnited States
ISO Code
RegionMerced
Continent CodeNA
IANA TimezoneAmerica/New_York
UTC Offset (Standard)UTC-5
DST OffsetUTC-4
Current Offset--

🌬 Best Time to Fly

Recommended: May – September
Pleasant temperatures across most regions
Loading season...
Spring: Mar–MaySummer: Jun–AugAutumn: Sep–NovWinter: Dec–Feb

✈ Airlines Serving MER

AA — American AirlinesDL — Delta Air LinesUA — United AirlinesWN — Southwest AirlinesAS — Alaska AirlinesB6 — JetBlueAC — Air Canada

🌡 Climate — Temperate (37.4°N)

Jan
Feb
10°
Mar
13°
Apr
17°
May
21°
11°
Jun
26°
15°
Jul
28°
17°
Aug
27°
16°
Sep
23°
13°
Oct
18°
Nov
12°
Dec
* Approximate average temperatures by month based on temperate latitude zone

AI-Enhanced Insights

Castle Airport (MER/KMER) is a medium-sized public airport located in Merced, California, situated in the state's Central Valley. Originally established as Castle Army Air Field during World War II, it later became Castle Air Force Base, serving as a Strategic Air Command installation until its closure in 1995. Today it operates as a general aviation and industrial airport, home to the renowned Castle Air Museum featuring over 50 restored military aircraft.

💡 Local Tip
Stop by the Castle Air Museum next door before your flight—pilots and aviation enthusiasts can enjoy viewing the aircraft collection, and the museum's observation area offers excellent plane-spotting opportunities at the adjacent runway.
🚖 Getting There

The airport is located about 6 miles northwest of downtown Merced, easily reached via Highway 99 and State Route 140. Rental cars are available on-site or in nearby Merced, and taxi and rideshare services serve the area. Visitors heading to Yosemite National Park often use Castle Airport as an alternative to busier Fresno or Sacramento airports.

❓ Frequently Asked Questions
Q: What was Castle Airport originally?
A: Castle Airport began as Castle Army Air Field in 1941 during World War II and later served as Castle Air Force Base until 1995.

Q: Does the airport have commercial passenger service?
A: No, Castle Airport currently does not offer scheduled commercial passenger service and primarily handles general aviation, cargo, and industrial operations.

Q: What is the Castle Air Museum?
A: The Castle Air Museum is located adjacent to the airport and features a collection of over 50 historic military aircraft, including B-52 bombers and SR-71 Blackbirds.

Q: How far is the airport from Yosemite National Park?
A: Castle Airport is approximately 80 miles west of Yosemite National Park, making it a popular gateway for visitors driving to the park.
AI-generated content · Generated Jun 30, 2026 · MiniMax-M3

🗺 Location Map

🌏 Nearby Airports (Top 5)

IATANameCity / CountryDistance (km)Distance (mi)Link
MCE Merced Regional Macready Field Merced, United States 11.7 km 7.3 mi View →
MOD Modesto City Co-Harry Sham Field Modesto, United States 43.6 km 27.1 mi View →
LSN Los Banos Municipal Airport Los Banos, United States 44.2 km 27.5 mi View →
ODC Oakdale Airport Oakdale, United States 46.5 km 28.9 mi View →
RMY Mariposa Yosemite Airport Mariposa, United States 48.8 km 30.3 mi View →

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