2
Runways
5
Frequencies
4
Procedures
Quick Facts
ICAO
KMRT
FAA
MRT
Elevation
1,020.7 ft MSL
Runways
2
Frequencies
5
Tower
No
Fuel
100LL,A1,A1+
Coordinates
40.224, -83.352
Airport Information
Facility Type
AIRPORT
Elevation
1,020.7 ft MSL
Control Tower
No
CTAF
123.05 MHz
Fuel Types
100LL,A1,A1+
Traffic Pattern
Not published
ARTCC
INDIANAPOLIS
Coordinates
40.2245, -83.3517
Ownership
Public
Hours of Operation
Current Weather
Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 08/26 | 08 / 26 | 2,522 ft | 80 ft | TURF | - | - | - |
| 09/27 | 09 / 27 | 4,218 ft | 75 ft | ASPH | MED | SW (Single Wheel) 17,000 lbs | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| APCH/P DEP/P IC | 125.95 | JOHN GLENN COLUMBUS INTL | - | APCH/P DEP/P IC | - |
| APCH/P DEP/P IC | 317.775 | JOHN GLENN COLUMBUS INTL | - | APCH/P DEP/P IC | - |
| CTAF | 123.05 | UNION COUNTYACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 - CTAF. | - | CTAF | - |
| MRT AWOS-3PT | XXX.XXX | - | - | MRT AWOS-3PT | - |
| UNICOM | XXX.XXX | UNION COUNTY | - | UNICOM | - |
Airport Remarks
- DEER, BIRDS, & OTR WILDLIFE ON & INVOF ARPT.
- FOR CD CTC COLUMBUS APCH AT 614-338-8537.
- ACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 - CTAF.
- RAMP FEE FOR COML ACFT.
- PRIOR CDN RQRD.
- SKYVISTAAVIATION@GMAIL.COM.
- AFT HRS & EMERG 937-741-3120.
- FUEL AVBL H24 SELF SVC VIA CREDIT CARD.
- CK NOTAMS FOR STS OF AEROBATIC BOX SOUTH OF RWY 09/27 & 08/26 - RP RWY 27 & 26 WHEN ACTV.
- CALM WIND RWY.
- THR & EDGES MKD WITH CONES.
- THR & EDGES MKD WITH CONES.
- APCH RATIO 27:1 TO DTHR DUE TO +20 FT RR, 425 FT DIST, 260 FT R.
IFR Procedures
2 Runway, 2 Approaches
Nearby airports & facilities
3OA9
Memorial Hospital of Union County Heliport
Marysville — 1 nm
3OA9
MEML HOSPITAL
MARYSVILLE — 1 nm
2OA5
FL-AIRFIELD
MARYSVILLE — 3 nm
2OA5
FL-AIRFIELD
MARYSVILLE — 3 nm
OH93
DARBY
MILFORD CENTER — 5 nm
OH93
Darby Airport
Milford Center — 5 nm
82OI
J-Em Farm Airport
Columbus — 5 nm
OA51
Fighter Field Airport
Watkins — 6 nm
OI85
Mill Creek Airport
Ostrander — 7 nm
8OH2
HONDA
MARYSVILLE — 8 nm
8OH2
Honda Heliport
Marysville — 8 nm
6OI5
Mitchell Airport
Plain City — 8 nm
Nearest airports
- 3OA9 — Memorial Hospital of Union County Heliport
Marysville
- 3OA9 — MEML HOSPITAL
MARYSVILLE
- 2OA5 — FL-AIRFIELD
MARYSVILLE
- 2OA5 — FL-AIRFIELD
MARYSVILLE
- OH93 — DARBY
MILFORD CENTER
Ohio airports
KMRT Operational Overview
Location & Facility
UNION COUNTY (KMRT) is a publicly owned airport open to the public located in MARYSVILLE, Ohio, United States. The field sits at an elevation of 1,020.7 feet above mean sea level (MSL) at coordinates 40.2245°N, 83.3517°W.
Runways
UNION COUNTY has 2 runways. The longest runway (08/26) measures 2,522 feet by 80 feet with a turf surface. Other runways include 09/27 (4,218 ft, ASPH).
Communications & Operations
UNION COUNTY is a non-towered (pilot-controlled) field. A total of 5 communication frequencies are published for this facility.
Services & Fuel
UNION COUNTY offers 100LL,A1,A1+ fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Instrument Procedures
UNION COUNTY has 4 published instrument flight procedures, including 2 approaches. These procedures are updated on the 28-day AIRAC cycle. Sign up for AeroCopilot to view full procedure charts with waypoint maps and altitude profiles.
Frequently Asked Questions
What is KMRT?
KMRT is the ICAO identifier for UNION COUNTY, a public-use airport, located in MARYSVILLE, Ohio, United States.
How many runways does UNION COUNTY have?
UNION COUNTY (KMRT) has 2 runways. See the runway table above for dimensions and surface types.
What is the elevation of KMRT?
The field elevation of UNION COUNTY is 1,020.7 feet above mean sea level (MSL), surveyed.
Is fuel available at KMRT?
Yes, UNION COUNTY offers 100LL,A1,A1+ fuel.
What is the longest runway at KMRT?
The longest runway at UNION COUNTY is 4,218 feet long.
How much weight can the main runway at KMRT support?
The main runway at UNION COUNTY supports single-wheel landing gear aircraft up to 17,000 lbs.
How do I access complete data for KMRT?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for UNION COUNTY.
Where is UNION COUNTY located?
UNION COUNTY (KMRT) is located in MARYSVILLE, Ohio, United States, at an elevation of 1,020.7 ft MSL.