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Union County Airport satellite view
📍 Marysville⬆ 1,021 ft1 runways
KMRT ·

Union County Airport

40.22470°N
-83.35160°W
ARR / DAY
12
46.4%
DEP / DAY
10
37.3%

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 12 arrivals and 10 departures per day on average over the last 7 days.

Current weather

Latest METAR observation

13m ago
Temp
72°F
Wind
3 kts
190°
Visib
4828 m
Ceil
METAR KMRT 050515Z AUTO 19003KT 3SM BR SCT070 22/22 A2996 RMK AO2

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

27
70% of ops
265 land · 209 TO
09
30% of ops
112 land · 89 TO
Runway 27 carries 70% of operations (265 landings, 209 takeoffs) over the last 30 days. The next most-used is 09 at 30%.

Approach quality

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

27 265 landings
UA 17%
09 112 landings
UA 6%
Approaches to 27 show a 17% unstable-approach rate (46 UA events from 265 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
11.8
flights/day · 353 total
Busy hour (local)
1pm
also 3pm · 9pm
Day vs night
66%
06:00–20:00 local
Traffic concentrates around 1pm–9pm local, averaging 11.8 flights/day. Weekend volume runs 1.3× weekday (14.2 vs 11.4 daily).

Aircraft character

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

Activity is led by (27% of 286 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

12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p

Pilot & community notes

1 comment from OurAirports (click to expand)

1
wolfgangx
10/05/2021
no after hours restrooms
doors lock at 5
© SkyMeter · All flight data subject to ODbL attribution · Updated 05:28 UTC