AirNav: KMRT - Union County Airport

KMRT

Union County Airport
Marysville, Ohio, USA

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FAA INFORMATION EFFECTIVE 19 MARCH 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 -4 (UTC -5 during Standard 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-3PT 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 19 March 2026 at 0901Z to 16 April 2026 at 0900Z.

IAPs - Instrument Approach Procedures
RNAV (GPS) RWY 09		download (229KB)
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 14-Apr-2026

	Local (UTC-4)	Zulu (UTC)
Morning civil twilight	06:30	10:30
Sunrise	06:58	10:58
Sunset	20:10	00:10
Evening civil twilight	20:38	00:38

Current date and time

Zulu (UTC)	14-Apr-2026 06:12:16
Local (UTC-4)	14-Apr-2026 02:12:16

METAR

KMRT	140555Z AUTO 19011KT 10SM CLR 17/12 A3000 RMK AO2 10230 20173
KDLZ 11nm E	140555Z AUTO 20009G15KT 10SM CLR 19/11 A3001 RMK AO2 10229 20185
KOSU 15nm SE	140553Z AUTO 19010KT 10SM CLR 18/09 A3002 RMK AO2 SLP158 T01830089 10222 20183 56009
KUYF 18nm S	140555Z AUTO 19008KT 10SM CLR 16/11 A3003 RMK AO2
KI74 19nm W	140555Z AUTO 20003KT 10SM CLR 18/13 A3000 RMK AO2

TAF

KCMH 25nm SE	140526Z 1406/1506 20010KT P6SM SCT040 WS020/23040KT FM141300 22012G24KT P6SM SCT025 BKN040 TEMPO 1416/1420 3SM -TSRA BKN025CB FM142000 23015G24KT P6SM SCT040 FM150200 21011KT P6SM SCT040
KLCK 32nm SE	140526Z 1406/1506 20010KT P6SM SCT040 WS020/23040KT FM141300 22012G24KT P6SM SCT025 BKN040 TEMPO 1416/1420 3SM -TSRA BKN025CB FM142000 23015G24KT P6SM SCT040 FM150200 21011KT P6SM SCT040

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		$5.84		$5.20
Updated 10-Apr-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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