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Knox County Airport satellite view
📍 Mount Vernon⬆ 1,191 ft1 runways
K4I3 ·

Knox County Airport

40.32870°N
-82.52380°W
ARR / DAY
0
90.3%
DEP / DAY
1
92.2%

Knox County Airport (K4I3) is a small general aviation airport located in Mount Vernon, OH, 36 mi north east of Columbus. It features 1 runway measuring 5,504 feet. SkyMeter has observed roughly 0 arrivals and 1 departures per day on average over the last 7 days.

Current weather

Latest METAR observation

13h ago
Temp
64°F
Wind
1 kts
Visib
10+ km
Ceil
METAR K4I3 260515Z AUTO VRB01KT 10SM 18/18 A2999 RMK AO2

Runways

1 installed

5,504 FT MAX
10/28
5,504 ft × 100
ASP● LITMED

Runway intelligence

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

10
71% of ops
187 land · 38 TO
28
29% of ops
76 land · 122 TO
Runway 10 carries 71% of operations (187 landings, 38 takeoffs) over the last 30 days. The next most-used is 28 at 29%.

Approach quality

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

10 187 landings
UA 2%
28 76 landings
UA 4%
Approaches to 10 show a 2% unstable-approach rate (4 UA events from 187 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
6.9
flights/day · 208 total
Busy hour (local)
3pm
also 5pm · 12pm
Day vs night
67%
06:00–20:00 local
Traffic concentrates around 12pm–3pm local, averaging 6.9 flights/day. Weekend volume runs 0.7× weekday (5.5 vs 7.8 daily).

Aircraft character

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

Activity is led by (21% of 166 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 126.050
CD/P 119.450
OTHER 119.450
Airport operations
ARTCC:
ZID
Mag var:
6° W
Fuel:
100LL, A+

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
© SkyMeter · All flight data subject to ODbL attribution · Updated 18:52 UTC