FAA INFORMATION EFFECTIVE 14 MAY 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 14 May 2026 at 0901Z to 11 June 2026 at 0900Z.
IAPs - Instrument Approach Procedures |
|---|
| RNAV (GPS) RWY 09 **CHANGED** | |
download (229KB) |
| RNAV (GPS) RWY 27 **CHANGED** | |
download (215KB) |
| 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 07-Jun-2026
| | Local
(UTC-4) | | Zulu
(UTC) |
|---|
| Morning civil twilight | | 05:32 | | 09:32 |
| Sunrise | | 06:05 | | 10:05 |
| Sunset | | 21:00 | | 01:00 |
| Evening civil twilight | | 21:32 | | 01:32 |
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| Current date and time |
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| Zulu (UTC) | 07-Jun-2026 07:29:44 |
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| Local (UTC-4) | 07-Jun-2026 03:29:44 |
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| METAR |
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| KMRT | 070715Z AUTO 24005KT 10SM OVC041 22/21 A2993 RMK AO2
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KDLZ
11nm E | 070715Z AUTO 22002KT 10SM BKN048 OVC055 21/21 A2993 RMK AO2
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KOSU
15nm SE | 070653Z AUTO 23003KT 8SM FEW047 SCT070 SCT100 21/20 A2993 RMK AO2 SLP128 T02060200
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KUYF
18nm S | 070715Z AUTO 00000KT 10SM CLR 20/20 A2996 RMK AO2
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KI74
19nm W | 070715Z AUTO 00000KT 7SM SCT050 BKN065 BKN085 20/20 A2995 RMK AO2
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| TAF |
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KCMH
25nm SE | 070530Z 0706/0806 VRB02KT P6SM BKN050 FM071000 VRB02KT P6SM BKN250 FM071300 33004KT P6SM FEW020 FM071800 02007KT P6SM SCT050 FM080000 05004KT P6SM SCT250
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KLCK
32nm SE | 070530Z 0706/0806 VRB02KT P6SM BKN050 FM071000 VRB02KT P6SM BKN250 FM071300 30004KT P6SM FEW020 FM071800 03005KT P6SM SCT050 FM080000 06004KT P6SM SCT250
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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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