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UNION COUNTY - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

KMRT
ICAO KMRTLocal MRT
UNION COUNTY
PublicPUB

1 miles SE of MARYSVILLE, OH, US
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
40° 13' 28"N 83° 21' 06"W
Elevation
1021' MSL
Pattern Alt
2021' MSL
Mag Variation
7°W
Declination
5°W
Fuel
JET A-1, JET A-1+, 100LL
FSS
DAYTON (DAY)
Sectional
DETROIT
ARTCC
INDIANAPOLIS (ZID)
Data Effective
2/19/26-3/19/26
KMRT LIFR
8:55 PM EST  
Light Rain and Fog
Overcast 200'
0.5sm
46°F
46°F
30.13"Hg
010° 4kts
AO2 P0004
METAR KMRT 040155Z AUTO 01004KT 1/2SM -RA FG OVC002 08/08 A3013 RMK AO2 P0004
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Weather and Advisory

AWOS-3 119.275
(937) 644-2967

Common

CTAF 123.05
ACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 - CTAF.
UNICOM 123.05

Approach

COLUMBUS APPROACH 125.95
Initial Contact

Departure

COLUMBUS DEPARTURE 125.95
Initial Contact

FAA A/FD Pages

Airport Minimums

Instrument Approach

Terminal Area Forecast

KCMH (26nm)
Tue, 3/3 6:39 PM EST
Tue, 3/3 7:00 PM EST - Wed, 3/4 7:00 PM EST
IFR
7:00 PM EST - 11:00 PM EST
Rain
Overcast 1,100'
1.5sm
210° 4kts
LIFR
Temporary 7:00 PM EST - 11:00 PM EST
Light Rain and Mist
Overcast 400'
1sm
Calm
IFR
11:00 PM EST - 5:00 AM EST
Mist
Overcast 500'
1.5sm
Calm
LIFR
12:00 AM EST - 5:00 AM EST
Light Rain
Overcast 300'
1sm
Calm
LIFR
5:00 AM EST - 10:00 AM EST
Light Rain and Mist
Overcast 400'
2sm
Calm
LIFR
10:00 AM EST - 4:00 PM EST
Light Rain
Overcast 300'
2sm
Calm
LIFR
10:00 AM EST - 7:00 PM EST
Light Rain and Mist
Overcast 400'
4sm
090° 5kts
TAF KCMH 032339Z 0400/0424 21004KT 1 1/2SM RA OVC011
   TEMPO 0400/0404 1SM -RA BR OVC004
   FM040400 00000KT 1 1/2SM BR OVC005
   PROB30 0405/0410 1SM -RA OVC003
   FM041000 00000KT 2SM -RA BR OVC004
   FM041500 09005KT 4SM -RA BR OVC004
   PROB30 0415/0421 2SM -RA OVC003
KMRT
EffectiveExpiresCategoryNOTAM
Domestic
2/22/26
0348Z
4/8/26
0347Z
!MRT 02/006 MRT OBST TOWER LGT (ASN 2018-AGL-11013-OE) 401553N0833356W (10.0NM WNW MRT) 1405FT (299FT AGL) U/S 2602220348-2604080347
2/16/26
0900Z
6/16/26
0900Z
!MRT 02/005 MRT OBST TOWER LGT (ASR 1267943) 401623.70N0833038.80W (7.8NM WNW MRT) 1409.1FT (315.0FT AGL) U/S 2602160900-2606160900
2/13/26
1556Z
2/26/26
2359Z
!MRT 02/004 MRT SVC AUTOMATED WX BCST SYSTEM U/S 2602131556-2602262359
12/10/25
1614Z
Runway!MRT 12/005 MRT RWY 27 RWY END ID LGT U/S 2512101614-2605112111EST
12/10/25
1613Z
Runway!MRT 12/004 MRT RWY 09 RWY END ID LGT U/S 2512101613-2605112111EST
11/27/25
0500Z
2/28/26
2359Z
!MRT 11/004 MRT COM CTAF 122.8 NOW 123.05 2511270500-2602282359
No
0800-1700
UNION COUNTY ARPT AUTH
COUNTY COURTHOUSE 215 W 5TH ST
MARYSVILLE, OH 43040
Phone: 937-644-2055
DAVID HOLDEN
760 CLYMER RD
MARYSVILLE, OH 43040
Phone: 937-644-2055
DAYTON FSS (DAY)
Toll Free: 1-800-WX-BRIEF
MRT
--
ACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 - CTAF.
N/A
Yes - Lighted
No
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
None
None
Pilot Instruction
Aircraft Rental

Runway 08/26

2522 ft. x 80 ft.
TURF  
Good 
NONE 
 
 
-- 
-- 
-- 
-- 
  Runway 08 Runway 26
True Heading 83°263°
Traffic Pattern
Markings
Markings Condition
Latitude 40° 13' 25"N 40° 13' 28"N
Longitude 83° 21' 23"W 83° 20' 51"W
Elevation 1,015' 996'
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights No No
Runway End Identifier Lights No No

Runway 09/27

4218 ft. x 75 ft.
ASPH  
Fair 
NONE 
MED 
 
17,000lbs 
-- 
-- 
-- 
  Runway 09 Runway 27
True Heading 83°263°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 40° 13' 26"N 40° 13' 31"N
Longitude 83° 21' 33"W 83° 20' 39"W
Elevation 1,021' 997'
Threshold Crossing Height 25 ft. AGL 33 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights No No
Runway End Identifier Lights Yes Yes
A110-2DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.
A110-8FOR CD CTC COLUMBUS APCH AT 614-338-8537.
A14SKYVISTAAVIATION@GMAIL.COM.
A16AFT HRS & EMERG 937-741-3120.
A23-27CK NOTAMS FOR STS OF AEROBATIC BOX SOUTH OF RWY 09/27 & 08/26 - RP RWY 27 & 26 WHEN ACTV.
A24RAMP FEE FOR COML ACFT.
A30A-09CALM WIND RWY.
A42-08_MARKTHR & EDGES MKD WITH CONES.
A42-26_MARKTHR & EDGES MKD WITH CONES.
A57-27APCH RATIO 27:1 TO DTHR DUE TO +20 FT RR, 425 FT DIST, 260 FT R.
A70-100LLFUEL AVBL H24 SELF SVC VIA CREDIT CARD.
A75-HPRIOR CDN RQRD.
A81-APTACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 - CTAF.
UNION COUNTY (ICAO: KMRT, IATA: MRT) is a public airport located in MARYSVILLE, OH, US.