AirNav: KMRT - Union County Airport

KMRT

Union County Airport
Marysville, Ohio, USA

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FAA INFORMATION EFFECTIVE 27 NOVEMBER 2025

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 27 November 2025 at 0901Z to 25 December 2025 at 0900Z.

IAPs - Instrument Approach Procedures
RNAV (GPS) RWY 09 CHANGED		download (228KB)
RNAV (GPS) RWY 27 CHANGED		download (213KB)
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 11-Dec-2025

	Local (UTC-5)	Zulu (UTC)
Morning civil twilight	07:16	12:16
Sunrise	07:47	12:47
Sunset	17:07	22:07
Evening civil twilight	17:37	22:37

Current date and time

Zulu (UTC)	11-Dec-2025 17:08:59
Local (UTC-5)	11-Dec-2025 12:08:59

METAR

KMRT	111655Z AUTO 28010KT 10SM SCT025 OVC044 M01/M06 A2996 RMK AO2 T10151065
KDLZ 11nm E	111655Z AUTO 28011KT 10SM UP OVC046 M01/M05 A2995 RMK AO2
KOSU 15nm SE	111653Z 28012KT 8SM -SN SCT025 OVC046 M02/M07 A2996 RMK AO2 SLP155 P0000 T10171067
KUYF 18nm S	111655Z AUTO 26011G17KT 10SM OVC039 M01/M08 A2998 RMK AO2
KI74 19nm W	111655Z AUTO 29005KT 10SM SCT034 OVC041 M01/M08 A2997 RMK AO2

TAF

KCMH 25nm SE	111125Z 1112/1212 30010KT P6SM OVC035 PROB30 1112/1115 3SM -SHSN OVC018 FM111500 29012KT P6SM BKN035 FM112200 27008KT P6SM BKN035 FM120400 22005KT P6SM BKN035 PROB30 1205/1208 5SM -SN OVC025 FM120800 14005KT 3SM BR OVC022 PROB30 1208/1212 2SM -SN OVC015
KLCK 32nm SE	111125Z 1112/1212 30010KT P6SM OVC035 PROB30 1112/1115 3SM -SHSN OVC018 FM111500 29012KT P6SM BKN035 FM112200 27008KT P6SM BKN035 FM120400 22005KT P6SM BKN035 PROB30 1205/1208 5SM -SN OVC025 FM120800 14005KT 3SM BR OVC022 PROB30 1208/1212 2SM -SN OVC015

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 08-Dec-2025

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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