Airports / KLNR / Tri-County Regional AirportIATA LNRModerate ground coverage
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Tri-County Regional Airport satellite view
📍 Lone Rock⬆ 717 ft2 runways
KLNR · LNR

Tri-County Regional Airport

43.21170°N
-90.18160°W
ARR / DAY
0
▼ 64.7%
DEP / DAY
0
▼ 55.6%

Current weather

Latest METAR observation

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Temp
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Wind
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Visib
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Ceil
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Runway intelligence

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

27
66% of ops
38 land · 2 TO
18
12% of ops
7 land · 1 TO
09
12% of ops
7 land · 16 TO
36
10% of ops
6 land · 1 TO
Runway 27 carries 66% of operations (38 landings, 2 takeoffs) over the last 30 days. The next most-used is 18 at 12%.

Approach quality

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

27 38 landings
UA 0%
18 7 landings
UA 0%
09 7 landings
UA 0%
36 6 landings
UA 0%
Approaches to 27 show a 0% unstable-approach rate (0 UA events from 38 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
4.0
flights/day · 121 total
Busy hour (local)
3pm
also 5pm · 4pm
Day vs night
73%
06:00–20:00 local
Traffic concentrates around 3pm–4pm local, averaging 4.0 flights/day. Weekend volume runs 1.0× weekday (4.1 vs 4.2 daily).

Aircraft character

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

Activity is led by (23% of 105 flights). Top three types: , , .

Communications Frequencies

2026-06-11
Type Freq (MHz) Hours
CTAF 123.000 —
APCH 135.450 —
APCH 343.700 —
UNICOM 123.000 —
ASOS 119.425 —
LONE ROC 122.300 —
OTHER 122.300 —
LONE ROC 133.300 —
OTHER 133.300 —
LONE ROC 257.925 —
OTHER 257.925 —
Airport operations
ARTCC:
ZAU
Fuel:
100LL, A+

Pilot & community notes

3 comments from OurAirports (click to expand)

3
rw2
9/17/2009
re: Nice little airport
Reply to @rw2: Have now done the breakfast at Picadilly Lilly. I can recommend the biscuits and gravy. They have lots of sausage in their gravy. A half order is plenty of food.
rw2
8/16/2009
re: Nice little airport
Reply to @paulie: Yup, food is good there. Sat mornings folks from around Wisc fly in for breakfast. I haven't made that particular trip there, but I here that 10-15 planes will show up on a busy morning. The terrain is quite pretty as the Wisc river has been a protected waterway for ages and very little development was ever permitted along it. Can be slightly difficult to find. VOR or GPS will be your friend to get you close unless you stay pretty high so you can see down into the river valley to spot it.
paulie
7/18/2007
Nice little airport
I grew up around this airport, so it holds a special place in my heart. These days, its a nice little airport with a nice long runway. I hear the cafe is quite good for a home cooked meal.
© SkyMeter · All flight data subject to ODbL attribution · Updated 18:02 UTC