FAA INFORMATION EFFECTIVE 09 JULY 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-3PT: | 126.5 (937-553-0033) |
| 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: | |
| 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: | no | | 123 ft. |
| Markings: | nonprecision, in good condition | | nonprecision, in good condition |
| Visual slope indicator: | 4-light PAPI on left (3.00 degrees glide path) | | 4-light PAPI on left (3.00 degrees glide path) |
| Runway end identifier lights: | yes | | yes |
| Touchdown point: | yes, no lights | | 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 09 July 2026 at 0901Z to 06 August 2026 at 0900Z.
IAPs - Instrument Approach Procedures |
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| 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)
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Road maps at:
MapQuest
Bing
Google
| Aerial photo |
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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.
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| Sectional chart |
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| Airport distance calculator |
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| Sunrise and sunset |
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Times for 01-Aug-2026
| | Local
(UTC-4) | | Zulu
(UTC) |
|---|
| Morning civil twilight | | 06:02 | | 10:02 |
| Sunrise | | 06:32 | | 10:32 |
| Sunset | | 20:47 | | 00:47 |
| Evening civil twilight | | 21:18 | | 01:18 |
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| Current date and time |
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| Zulu (UTC) | 01-Aug-2026 21:02:17 |
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| Local (UTC-4) | 01-Aug-2026 17:02:17 |
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| METAR |
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| KMRT | 012035Z AUTO VRB05G14KT 10SM OVC029 25/21 A2974 RMK AO2
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KDLZ
11nm E | 012055Z AUTO 16011G17KT 10SM OVC030 25/22 A2974 RMK AO2
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KOSU
15nm SE | 012053Z 12014KT 10SM OVC027 24/19 A2974 RMK AO2 SLP064 T02440189 57017
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KUYF
18nm S | 012055Z AUTO 13011G14KT 10SM OVC014 23/21 A2975 RMK AO2
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KI74
19nm W | 012055Z AUTO 11009KT 10SM OVC016 24/21 A2973 RMK AO2
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| TAF |
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KCMH
25nm SE | 011731Z 0118/0218 15011KT P6SM SCT070 OVC080 FM020100 12009KT P6SM OVC040 PROB30 0202/0206 3SM -TSRA BKN025CB FM020600 13007KT P6SM BKN025 FM021000 14007KT P6SM BKN007 OVC050 FM021400 18006KT P6SM BKN015 OVC050
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KLCK
32nm SE | 011731Z 0118/0218 15011KT P6SM SCT070 OVC080 FM020100 12009KT P6SM OVC040 PROB30 0202/0206 3SM -TSRA BKN025CB FM020600 13007KT P6SM BKN025 FM021000 14007KT P6SM BKN007 OVC050 FM021400 18006KT P6SM BKN015 OVC050
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| NOTAMs |
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NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
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