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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
4:35 AM EST  
Mist
Overcast 200'
1.5sm
41°F
41°F
30.17"Hg
360° 7kts
AO2
METAR KMRT 040935Z AUTO 36007KT 1 1/2SM BR OVC002 05/05 A3017 RMK AO2
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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)
Wed, 3/4 12:46 AM EST
Wed, 3/4 1:00 AM EST - Thu, 3/5 1:00 AM EST
LIFR
1:00 AM EST - 4:00 AM EST
Mist
Broken 400'
3sm
VRB° 3kts
LIFR
4:00 AM EST - 8:00 AM EST
Light Showers and Rain and Mist
Overcast 200'
1sm
VRB° 3kts
LIFR
8:00 AM EST - 12:00 PM EST
Mist
Overcast 400'
3sm
090° 5kts
IFR
12:00 PM EST - 8:00 PM EST
Mist
Broken 600'
5sm
110° 5kts
LIFR
8:00 PM EST - 11:00 PM EST
Thunderstorm and Rain
Overcast 400'
2sm
Calm
IFR
8:00 PM EST - 1:00 AM EST
Showers and Rain and Mist
Overcast 600'
3sm
130° 3kts
TAF KCMH 040546Z 0406/0506 VRB03KT 3SM BR BKN004
   FM040900 VRB03KT 1SM -SHRA BR OVC002
   FM041300 09005KT 3SM BR OVC004
   FM041700 11005KT 5SM BR BKN006
   FM050100 13003KT 3SM SHRA BR OVC006
   PROB30 0501/0504 2SM TSRA OVC004CB
KMRT
EffectiveExpiresCategoryNOTAM
Domestic
2/26/26
2220Z
!MRT 02/008 MRT SVC AUTOMATED WX BCST SYSTEM COMMISSIONED ON 126.500 OR AT 937-553-0033 2602262220-PERM
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
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
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.