AirNav: KMRT - Union County Airport

KMRT

Union County Airport
Marysville, Ohio, USA

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FAA INFORMATION EFFECTIVE 22 JANUARY 2026

Location

FAA Identifier:	MRT
Lat/Long:	40-13-28.1120N 083-21-06.2940W 40-13.468533N 083-21.104900W 40.2244756,-83.3517483 (estimated)
Elevation:	1020.7 ft. / 311.1 m (surveyed)
Variation:	05W (1985)
From city:	1 mile SE of MARYSVILLE, OH
Time zone:	UTC -5 (UTC -4 during Daylight Saving Time)
Zip code:	43040

Airport Operations

Airport use:	Open to the public
Activation date:	07/1967
Control tower:	no
ARTCC:	INDIANAPOLIS CENTER
FSS:	DAYTON FLIGHT SERVICE STATION
NOTAMs facility:	MRT (NOTAM-D service available)
Attendance:	0800-1700
Wind indicator:	lighted
Segmented circle:	no
Lights:	ACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 - CTAF.
Beacon:	white-green (lighted land airport) Operates sunset to sunrise.
Landing fee:	no, RAMP FEE FOR COML ACFT.

Airport Communications

CTAF/UNICOM:	123.05
WX AWOS-3:	119.275 (937-644-2967)
COLUMBUS APPROACH:	125.95
COLUMBUS DEPARTURE:	125.95
IC:	125.95
WX AWOS-3 at DLZ (11 nm E):	119.025 (740-203-1878)
WX ASOS at OSU (15 nm SE):	121.35 (614-451-2465)
WX AWOS-3PT at UYF (18 nm S):	120.85 (740-852-2844)
WX AWOS-3 at I74 (19 nm W):	118.325 (937-484-5863)

Nearby radio navigation aids

VOR radial/distance	VOR name	Freq	Var
BUDr214/(27.0)	BUCKEYE VOR	109.80	05W
RODr102/31.9	ROSEWOOD VORTAC	117.50	05W
APEr283/35.3	APPLETON VORTAC	116.70	06W

NDB name		Hdg/Dist		Freq		Var		ID
FULER		327/11.5		515		05W		OS	--- ...
COURT HOUSE		009/37.5		414		06W		CSS	-.-. ... ...

Airport Services

Fuel available:	100LL JET-A1 JET-A1+ 100LL:FUEL AVBL H24 SELF SVC VIA CREDIT CARD.
Parking:	hangars and tiedowns
Airframe service:	MAJOR
Powerplant service:	MAJOR
Bottled oxygen:	NONE
Bulk oxygen:	NONE

Runway Information

Runway 9/27

Dimensions:

4218 x 75 ft. / 1286 x 23 m

Surface:

asphalt, in fair condition

Weight bearing capacity:

Single wheel:

17.0

Runway edge lights:

medium intensity

RUNWAY 9

RUNWAY 27

Latitude:

40-13.438457N

40-13.523258N

Longitude:

083-21.546040W

083-20.646537W

Elevation:

1020.6 ft.

996.8 ft.

Traffic pattern:

left

left
CK NOTAMS FOR STS OF AEROBATIC BOX SOUTH OF RWY 09/27 & 08/26 - RP RWY 27 & 26 WHEN ACTV.

Runway heading:

088 magnetic, 083 true

268 magnetic, 263 true

Displaced threshold:

123 ft.

Markings:

nonprecision, in good condition

Visual slope indicator:

4-light PAPI on left (3.00 degrees glide path)

Runway end identifier lights:

yes

Touchdown point:

yes, no lights

Obstructions:

none

20 ft. rr, 425 ft. from runway, 260 ft. right of centerline, 11:1 slope to clear
APCH RATIO 27:1 TO DTHR DUE TO +20 FT RR, 425 FT DIST, 260 FT R.

Runway 8/26

Dimensions:	2522 x 80 ft. / 769 x 24 m
Surface:	turf, in good condition
Runway edge markings:	THR & EDGES MKD WITH CONES.
	RUNWAY 8	RUNWAY 26
Latitude:	40-13.422530N	40-13.473238N
Longitude:	083-21.388198W	083-20.850388W
Elevation:	1015.3 ft.	995.6 ft.
Traffic pattern:	left	left
Runway heading:	088 magnetic, 083 true	268 magnetic, 263 true
Runway end identifier lights:	no	no
Touchdown point:	yes, no lights	yes, no lights

Airport Ownership and Management from official FAA records

Ownership:	Publicly-owned
Owner:	UNION COUNTY ARPT AUTH COUNTY COURTHOUSE, 215 W 5TH ST MARYSVILLE, OH 43040 Phone 937-644-2055
Manager:	DAVID HOLDEN 760 CLYMER RD MARYSVILLE, OH 43040-9502 Phone 937-644-2055 AFT HRS & EMERG 937-741-3120.

Additional Remarks

A30A-09	CALM WIND RWY.
-	DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.
-	FOR CD CTC COLUMBUS APCH AT 614-338-8537.

Instrument Procedures

NOTE: All procedures below are presented as PDF files. If you need a reader for these files, you should download the free Adobe Reader.

NOT FOR NAVIGATION. Please procure official charts for flight.
FAA instrument procedures published for use from 22 January 2026 at 0901Z to 19 February 2026 at 0900z.

IAPs - Instrument Approach Procedures
RNAV (GPS) RWY 09		download (228KB)
RNAV (GPS) RWY 27		download (214KB)
NOTE: Special Alternate Minimums apply		download (53KB)
NOTE: Special Take-Off Minimums/Departure Procedures apply		download (478KB)

Other nearby airports with instrument procedures:

KDLZ - Delaware Municipal Airport - Jim Moore Field (11 nm E)
KOSU - Ohio State University Airport (15 nm SE)
KUYF - Madison County Airport (18 nm S)
I74 - Grimes Field Airport (19 nm W)
KTZR - Bolton Field Airport (22 nm SE)

Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes

Road maps at: MapQuest Bing Google

Aerial photo
WARNING: Photo may not be current or correct Taken late December 2006 Do you have a better or more recent aerial photo of Union County Airport that you would like to share? If so, please send us your photo.

Sectional chart

Airport distance calculator
Flying to Union County Airport? Find the distance to fly. From to KMRT

Sunrise and sunset

Times for 26-Jan-2026

	Local (UTC-5)	Zulu (UTC)
Morning civil twilight	07:19	12:19
Sunrise	07:49	12:49
Sunset	17:43	22:43
Evening civil twilight	18:13	23:13

Current date and time

Zulu (UTC)	26-Jan-2026 21:06:54
Local (UTC-5)	26-Jan-2026 16:06:54

METAR

KMRT	262055Z AUTO 28012KT 10SM SCT040 M13/M18 A3019 RMK AO2 T11331183
KDLZ 11nm E	262055Z AUTO 27009G16KT 10SM SCT031 BKN041 BKN080 M12/M17 A3018 RMK AO2
KOSU 15nm SE	262053Z AUTO 27015G24KT 10SM SCT026 BKN041 M12/M17 A3019 RMK AO2 PK WND 28028/2018 SLP242 T11221172 53010
KUYF 18nm S	262055Z AUTO 27014G21KT 10SM SCT022 OVC029 M12/M18 A3020 RMK AO2
KI74 19nm W	262055Z AUTO 27006KT 10SM BKN026 OVC033 M13/M17 A3020 RMK AO2

TAF

KCMH 25nm SE	261751Z 2618/2718 28012G20KT P6SM -SN BLSN SCT015 BKN025 TEMPO 2618/2622 3SM -SN BLSN BKN015 FM270200 24008KT P6SM SCT015 FM270900 21012KT P6SM SCT015 WS020/23045KT FM271400 22014G24KT P6SM BLSN SCT018 FM271600 24015G26KT 5SM -SN BLSN BKN018
KLCK 32nm SE	261751Z 2618/2718 28012G20KT P6SM -SN BLSN SCT015 BKN025 TEMPO 2618/2622 3SM -SN BLSN BKN015 FM270200 24008KT P6SM SCT015 FM270900 21012KT P6SM SCT015 WS020/23045KT FM271400 22014G24KT P6SM BLSN SCT018 FM271600 24015G26KT 5SM -SN BLSN BKN018

NOTAMs

Click for the latest NOTAMs

NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.

FBO, Fuel Providers, and Aircraft Ground Support

Business Name

Contact

Services / Description

Fuel Prices

Comments

SkyVista Aviation LLC

937-644-2055
[web site]
[email]

Airport management, Aviation fuel, Aircraft ground handling, Aircraft parking (ramp or tiedown), Hangars, Hangar leasing / sales, Passenger terminal and lounge, ...

More info about SkyVista Aviation LLC

Phillips 66
	100LL		Jet A
AS		$4.50		$5.20
Updated 13-Jan-2026

1 read write

AS=Assisted/Self Service

Aviation Businesses, Services, and Facilities

Business Name

Contact

Services / Description

Distance

Comments

Buckeye Tailwheel Club

[web site]
[email]

Flight training, Aircraft rental, Flying club, Organization with aviation interests

More info about Buckeye Tailwheel Club

on airport

write

Buckeye Wing (Commemorative Air Force)

740-803-2018
[web site]
[email]

Flying club, Aviation museum, Organization with aviation interests

More info about Buckeye Wing (Commemorative Air Force)

on airport

write

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