Airports / Ohio / KMRT
Union Co Airport.
Marysville, Ohio · 1,020 ft elevation. A private-aviation gateway on the Bravo register.
KMRT
ICAO identifier
0
Operators based
1,020
Elevation ft
FBOs on field
Field elevation
Nearest alternate
Field standing
15 nm
To the nearest alternate
The Ohio State University Airport - Don Scott Field (OSU), 6 fields within 50 nm.
Overview
Union Co Airport (KMRT) is a general aviation field serving Marysville, Ohio. Field elevation is 1,020 feet above sea level. Free of scheduled airline operations, it serves business aviation, charter flights, and local general aviation.
While no charter operators list KMRT as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are The Ohio State University Airport - Don Scott Field (OSU, 15 nm), John Glenn Columbus International Airport (CMH, 25 nm), and Rickenbacker International Airport (LCK, 31 nm). The field has a single 4,218-foot paved runway, long enough for charter aircraft up to light jets.
Trip costs from KMRT are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from KMRT to plan your flight.
1 FBO serves KMRT. Run one? Become the preferred FBO
Ramp services
FBOs on the field
SkyVista Aviation LLC
Your FBO? Claim it, free- Fuel
- Hangar
- Daily 08:00-17:00; fuel available H24 self-serve via credit card
- Unicom 123.05
- Courtesy car
- Restrooms
- Hangar
- Maintenance
- Parking
- Fuel
- Aircraft cleaning
- Ground handling
- +1 more
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
Field capability
ICAO
KMRT
IATA
n/a
FAA / Local
KMRT
Elevation
1,020 ft
Coordinates
40.2247° N · 83.3516° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs OH fields
state range 483–1,297 ft
At 1,020 ft, KMRT sits higher than 76% of the 55 Ohio fields on the register.
Runways & aircraft access
1 runway
longest 4,218 ft
- 094,218 ft × 75 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 4,218 ft
KMRT's 4,218 ft paved runway typically supports charter aircraft up to light jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 15nmOSUThe Ohio State University Airport - Don Scott FieldColumbus
- 25nmCMHJohn Glenn Columbus International AirportColumbus
- 31nmLCKRickenbacker International AirportColumbus
- 32nmSGHSpringfield-Beckley Municipal AirportSpringfield
- 40nmFFOWright-Patterson Air Force BaseDayton
- 44nmDAYJames M. Cox Dayton International AirportDayton
Location
Open the full mapKMRT · Union Co Airport · Marysville, OH
Flight times from here
Approximate nonstop block times from KMRT on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Chicago (ORD) | 231 nm | 56m |
| Washington DC (IAD) | 283 nm | 1h 3m |
| Nashville (BNA) | 292 nm | 1h 5m |
| New York (TEB) | 425 nm | 1h 23m |
| Boston (BED) | 560 nm | 1h 42m |
| Dallas (DAL) | 786 nm | 2h 14m |
| Palm Beach (PBI) | 829 nm | 2h 20m |
| Houston (HOU) | 863 nm | 2h 24m |
Common questions
- What size private jets can use KMRT?
- Union Co Airport's longest paved runway is 4,218 ft, which typically supports charter aircraft up to light jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at KMRT?
- Union Co Airport has one runway; the longest measures 4,218 ft on a paved surface and is lit for night operations.
- Which FBOs are at Union Co Airport?
- One FBO serves KMRT: SkyVista Aviation LLC. Phone, website, hours, unicom and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to KMRT?
- The closest alternate is The Ohio State University Airport - Don Scott Field (OSU), about 15 nm away, followed by John Glenn Columbus International Airport (CMH) at 25 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from KMRT to major cities?
- Typical block times on a midsize jet: Chicago about 56m (231 nm), Washington DC about 1h 3m (283 nm), Nashville about 1h 5m (292 nm). Faster classes trim these times; add positioning and taxi for the real schedule.