Union County
MRT · KMRT · Marysville, Ohio · Union County · map
Union County is a public-use airport owned by Union County Arpt Auth, 1 mile southeast of Marysville, Ohio, 1,021 feet above sea level. It has 2 runways; the longest, 09/27, is 4,218 feet of asphalt. It has fuel (100LL avgas, Jet A-1, Jet A-1 with additive) and about 57 general-aviation aircraft based on the field by the FAA's count. The FAA counts about 32,785 takeoffs and landings a year.
Quick answers answers refresh every morning
What is the airport code for Union County?
Its FAA code is MRT, and its ICAO code is KMRT.
Where is Union County?
It is 1 mile southeast of Marysville, Ohio, 1,021 feet above sea level.
How long is the longest runway at Union County?
The longest of its 2 runways, 09/27, is 4,218 feet long.
Does Union County have a control tower?
No, it has no control tower.
What fuel can you buy at Union County?
The FAA's airport file lists 100LL avgas, Jet A-1, Jet A-1 with additive.
Are there flight schools at Union County?
4 flight schools, flying clubs or college flight programmes are based within about 15 miles of it, including Skyhawk Flying Club and Spencer Aviation INC. Compare them
Where are the nearest FAA examiners to Union County?
14 pilot examiners and 21 aviation medical examiners work within 50 nautical miles. See them by name
Weather and planning now, the forecast, warnings, pilot reports, winds aloft, restrictions
Fetching the weather now, the forecast, the warnings in force, pilot reports and the winds aloft for Union County…
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
The airport facts, runways, radio, fuel and services, the FAA's remarks
The airport
- Codes
- FAA MRT · ICAO KMRT
- Kind
- Airport · open to the public · publicly owned
- Owner
- Union County Arpt Auth
- Elevation
- 1,021 feet above sea level
- Control tower
- No control tower
- Attended
- every day, 8:00 am to 5:00 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel and services
- 100LL avgas, Jet A-1, Jet A-1 with additive; the services card below
- On the chart
- Detroit sectional
- Magnetic variation
- 5W
- In the FAA's files since
- July 1967
Runways 2
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 09/27 | 4,218 × 75 ft | Asphalt, fair | Medium-intensity lights |
| 08/26 | 2,522 × 80 ft | Grass, good |
- Runway 09: PAPI, four lights on the left
- Runway 27: PAPI, four lights on the left, threshold displaced 123 ft, rr 20 ft high 425 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 123.05 | |
| Approach and departure | 125.95 | |
| Mrt and aWOS-3PT | 126.5 |
Automated weather (AWOS-3PT), by phone 937-553-0033.
Fuel and services as reported to the FAA
- Fuel
- 100LL avgas, Jet A-1, Jet A-1 with additive
- Repairs
- airframe and engine: major repairs
- Parking
- hangars, tie-downs
- Also here
- flight instruction, aircraft rental
Other fields with jet fuel nearby: Delaware Muni/Jim Moore Field (11 nm east), Ohio State University Airport (15 nm southeast), Madison County (18 nm south).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in Ohio · avgas.
The FAA's remarks as written in the airport file, spelled out
- Activate runway end identifier lights runway 09 and 27; PAPI runway 09 and 27; medium-intensity runway lights runway 09/27 - the common traffic frequency.
- Ramp fee for commercial aircraft.
- Prior cdn required.
- Fuel available H24 self service via credit card.
- CK NOTAMs for sts of aerobatic box south of runway 09/27 and 08/26 - RP runway 27 and 26 when actv.
- Calm wind runway.
- Threshold and edges marked with cones.
- Threshold and edges marked with cones.
- Approach ratio 27:1 to dthr due to +20 feet railroad, 425 feet dist, 260 feet R.
- Deer, birds, and otr wildlife on and in the vicinity of airport.
Flights and activity in the air now, the airlines, based aircraft, takeoffs and landings
Activity now checking the volunteer receiver network…
Within ten miles
- Looking…
Arrivals and departures, last hour
- Looking…
From the volunteer receiver network, a few minutes behind at most; aircraft whose owners asked the FAA not to be displayed are left out; no person is named. Open the live map here.
Based aircraft as counted for the FAA, fiscal year 2024
Based aircraft, as a table
| aircraft | |
|---|---|
| single-engine | 54 |
| multi-engine | 1 |
| jets | 1 |
| other | 1 |
The FAA's count is the general-aviation aircraft kept on the field (singles, twins, business jets, helicopters) from its Terminal Area Forecast, the latest year with an actual count; airline fleets are never counted as based anywhere, so a big airline airport shows a small number. The register section below shows how many aircraft are registered to owners in town, a different measure again.
Takeoffs and landings a year about 32,785, the FAA's fiscal year 2024 (October 2023 to September 2024)
Takeoffs and landings, as a table
| a year | |
|---|---|
| air taxi and commuter | 675 |
| general aviation, travelling | 9,875 |
| general aviation, local | 19,560 |
| military | 2,675 |
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates. How this compares nationally: Airports by the numbers.
Who flies and works here aircraft registered in town, the companies, the examiners nearby
Aircraft registered in Marysville from the FAA register
49 aircraft are registered to owners in Marysville, Ohio: 28 piston singles, 7 drones, 7 balloons, 3 helicopters, 1 piston twin. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, not named (the site's policy at this time). All aircraft registered in Ohio.
Who works here from the FAA's certificate lists and the register
Flight schools, flying clubs and college flight programmes based within about 15 miles:
- Skyhawk Flying Club 1 aircraft · Marysville Skyhawk Flying Club is a not-for-profit flying club founded in 1971, based at Omaha/Millard Municipal Airport (KMLE) in Omaha, Nebraska.
- Spencer Aviation INC 4 aircraft · Delaware, 13 miles away Spencer Aviation is a flight school operating from two locations in Ohio: Delaware Municipal Airport in Delaware and Union County Airport in Marysville.
- Murnville Glenlove Flyers LTD 1 aircraft · Delaware, 13 miles away
- Twinco Flyers LLC 1 aircraft · Powell, 15 miles away
Repair stations in Marysville:
- Elevated Ballooning, LLC
- Fly Ohio Ballooning INC Fly Ohio Ballooning is a commercial ballooning company based in Marysville, Ohio, offering hot air balloon rides, commercial balloon advertising, balloon sales, flight instruction, and FAA-certified repair and inspection services for hot ai
- Skyvista Avionics, LLC
Companies in the same town as this airport, and schools within about 15 miles of it (each placed at the main public airport of its town, or at the town's centre); not every one of them works from this field. All operators · all repair stations · all flight schools · all FBOs.
Examiners and inspectors nearby designated by the FAA · within 50 nautical miles
14 pilot examiners (the FAA's designated pilot examiners, who give the practical tests for pilot certificates) are based within 50 nautical miles: 12 for private pilot, 12 for commercial and instrument, 5 for airline transport pilot, 10 for flight instructor, 4 for sport pilot, 1 for type ratings; 12 for airplanes, 8 for multi-engine airplanes, 2 for helicopters. Also nearby: 21 aviation medical examiners, 3 mechanic examiners, 1 airworthiness representative (manufacturing), 5 aircraft dispatcher examiners, 39 training center evaluators, 35 aircrew program designees, 2 training center examiners, 1 administrative pilot examiner.
- Christine Shumway Mortine private pilot, commercial and instrument, flight instructor, instrument instructor, sport pilot; airplanes · Delaware Municipal Airport · Delaware, OH (11 nm) · (614) 205-3129 · [email protected]
- John Richard Cooper JR private pilot, commercial and instrument; helicopters · Delaware County Airport · Delaware, OH (11 nm) · (937) 209-0483 · [email protected]
- John Ginley private pilot, commercial and instrument, airline transport pilot, flight instructor, instrument instructor, sport pilot, private pilot (proficiency), instructor renewals, military competency, ground instructor; airplanes, multi-engine airplanes · Dublin, OH (12 nm) · (330) 414-7773 · [email protected]
- Angela Graziosi private pilot, commercial and instrument, flight instructor; airplanes, multi-engine airplanes · Galena, OH (22 nm) · (614) 746-4090 · [email protected]
- Steven Lee Buchenroth private pilot, commercial and instrument, airline transport pilot, flight instructor, instrument instructor; airplanes, multi-engine airplanes · Bellefontaine Regional Airport · Bellefontaine, OH (23 nm) · (937) 597-2055 · [email protected]
- Candi Jo Roby private pilot, commercial and instrument, flight instructor, instrument instructor, instructor renewals, military competency, ground instructor, foreign pilot certificates; airplanes, multi-engine airplanes · The Ohio State University Airport · Columbus, OH (25 nm) · (740) 417-0086 · [email protected]
- Paul Anthony Palmisciano private pilot, commercial and instrument, flight instructor, instrument instructor, instructor renewals, military competency, ground instructor, foreign pilot certificates; airplanes · OHio State University Airport · Columbus, OH (25 nm) · (614) 395-1639 · [email protected]
- robert headley private pilot (proficiency) · columbus, OH (25 nm) · (330) 283-6860 · [email protected]
All 121 nearby, by kind, with contact details
What each kind does
- DPE: Designated Pilot Examiner: gives the practical tests (checkrides) for pilot certificates and ratings.
- AME: Aviation Medical Examiner: a doctor who issues the medical certificates pilots must hold.
- DME: Designated Mechanic Examiner: tests candidates for the mechanic certificate (airframe and powerplant).
- DAR-F: Designated Airworthiness Representative, manufacturing: issues airworthiness certificates for newly built aircraft and parts.
- DADE: Designated Aircraft Dispatcher Examiner: tests candidates for the dispatcher certificate.
- TCE: Training Center Evaluator: gives tests at a simulator training center.
- APD: Aircrew Program Designee: an airline's own check pilot who gives the FAA's tests to the airline's pilots.
- DCTO-E: Designee at a certificated training organisation.
- Admin-PE: Administrative Pilot Examiner: handles certificate paperwork rather than flight tests.
Designees are listed with the name and contact details the FAA publishes for them on its designee locator (read October 10, 2026): the FAA lists them so that pilots, mechanics and companies can find them. Private individuals are not named, the site's policy at this time. A designee who would rather not appear here can ask us through the contact address on the About page. Each designee is placed at the main public airport of the town the FAA lists (or the nearest one to its zip code), so "nearby" means the town, not an exact address. All examiners by state.
Safety record the NTSB's cases at or near this airport
Accidents and incidents at or near this airport NTSB records · 11 since 1982, 3 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English. The country as a whole: Where accidents happen.
Nearby within 30 nautical miles
Connections how this airport links to the rest of the register
- Aircraft registered in Marysville 49 aircraft · 28 piston singles, 7 drones, 7 balloons
- Gerten Farm LLC 4 aircraft in town
- Skyvista Aviation LLC 3 aircraft in town
- Roof Management LTD 2 aircraft in town
- Skyhawk Flying Club 1 aircraft · flying club
- Spencer Aviation INC 4 aircraft · flight school
- Murnville Glenlove Flyers LTD 1 aircraft · flight school
- Elevated Ballooning, LLC · repair station
- Fly Ohio Ballooning INC · repair station
- Skyvista Avionics, LLC · repair station
- NTSB accidents and incidents at or near this airport 11 since 1982 · 3 fatal
- Accidents and incidents in Ohio 1,877 since 1982 · 246 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in Ohio 149 landing places
- Ohio 8,528 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/MRT.json.
Facts from the FAA's airport file effective October 29, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 28, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.