📍 Marysville⬆ 1,021 ft1 runways

KMRT ·

Union County Airport

40.22470°N

-83.35160°W

ARR / DAY

▲ 73.3%

DEP / DAY

▲ 94.7%

Union County Airport (KMRT) is a small general aviation airport located in Marysville, OH, 26 mi north west of Columbus. It features 1 runway measuring 4,218 feet. SkyMeter has observed roughly 11 arrivals and 11 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

Latest METAR observation

21h ago

Temp

93°F

Wind

5 kts

220°

Visib

10+ km

Ceil

—

METAR KMRT 012129Z AUTO 22005KT 10SM FEW075 34/25 A3004 RMK AO2 LTG DSNT S

Runways

1 installed

4,218 FT MAX

09/27

4,218 ft × 75

ASP● LITMED

Runway intelligence

Which runway carries the operations, observed over the last 30 days

63% of ops

219 land · 177 TO

37% of ops

131 land · 117 TO

Runway 27 carries 63% of operations (219 landings, 177 takeoffs) over the last 30 days. The next most-used is 09 at 37%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

27 219 landings

UA 22%

09 131 landings

UA 6%

Approaches to 27 show a 22% unstable-approach rate (48 UA events from 219 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.

Traffic behavior

When the field is busy: hourly + weekday vs weekend

Daily avg

12.5

flights/day · 375 total

Busy hour (local)

6pm

also 3pm · 7pm

Day vs night

67%

06:00–20:00 local

Traffic concentrates around 6pm–7pm local, averaging 12.5 flights/day. Weekend volume runs 1.1× weekday (14.2 vs 12.4 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

Activity is led by (28% of 298 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
CTAF	123.050	—
APCH	125.950	—
APCH	317.775	—
UNICOM	123.050	—
AWOS	126.500	—

Airport operations

ARTCC:: ZID
Mag var:: 5° W
Fuel:: 100LL, A1, A1+

Hourly traffic

Avg movements per hour · local time · last 30 days

Pilot & community notes

1 comment from OurAirports (click to expand)

wolfgangx

10/05/2021

no after hours restrooms

doors lock at 5

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