LONE ROCK, WI · 5 FAA charts · cycle 6 Aug 2026
3 published instrument approaches: 2 RNAV (GPS), 1 localiser, serving 2 runway ends.
| Chart | Amendment | ||
|---|---|---|---|
 | LOC RWY 27 | 1A | |
 | RNAV (GPS) RWY 09 | 0B | |
 | RNAV (GPS) RWY 27 | 0B |
| Chart | Amendment | ||
|---|---|---|---|
 | TAKEOFF MINIMUMS | — | |
 | ALTERNATE MINIMUMS | — |
Minimums pages cover a whole volume, so the same document is shared by every airport in it.
From the FAA NASR 28-day subscription, cycle 6 Aug 2026.
| Service | Frequency | Call sign |
|---|---|---|
| CTAF | 123.0 | |
| Approach | 135.45 | Madison |
Civil VHF frequencies from the FAA NASR 28-day subscription. Discrete sector and military frequencies are not listed.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 09/27 | 5,000 ft | 75 ft | Asphalt Excellent | Medium intensity |
| 09 89°T | PAPI (2-box) 3° | |||
| 27 269°T | LOC/DME · PAPI (2-box) 4° | |||
| 18/36 | 1,850 ft | 60 ft | Asphalt Good | Medium intensity |
Runway and approach-aid data from the FAA NASR 28-day subscription.
43.2118610, -90.1798330
717 ft2 nm NPaste the coordinates into a simulator’s world map to drop straight onto the field.
Published verbatim from the FAA NASR subscription. Abbreviations are the FAA's own.
Tri-County Regional’s three approaches serve only two of its four runway ends, leaving the remaining ends without a dedicated instrument procedure. The mix of two RNAV (GPS) procedures and one localiser approach also gives one served end more than one procedure type. Runway 09/27 provides 5,000 ft of available length, while the 1,850 ft 18/36 is relevant only to aircraft able to operate within that much shorter distance.
Iowa County has slightly broader procedure coverage, while Richland’s chart set is notably thinner. Sauk/Prairie, Reedsburg Municipal and Boscobel sit closer to Tri-County Regional in overall chart coverage. The Chicago Sectional adds the wider visual-navigation context absent from the airport’s instrument procedures, particularly useful because no airport diagram is published.
| ID | Airport | City | Distance | Charts |
|---|---|---|---|---|
| 93C | Richland | RICHLAND CENTER, WI | 7 nm NW | 2 |
| 91C | Sauk/Prairie | PRAIRIE DU SAC, WI | 19 nm E | 3 |
| KMRJ | Iowa County | MINERAL POINT, WI | 20 nm S | 6 |
| C35 | Reedsburg Muni | REEDSBURG, WI | 21 nm NE | 4 |
| KOVS | Boscobel | BOSCOBEL, WI | 22 nm W | 4 |
| KDLL | Baraboo/Wisconsin Dells Rgnl | BARABOO, WI | 26 nm NE | 6 |
| C29 | Middleton Muni/Morey Fld | MIDDLETON, WI | 29 nm E | 6 |
| KPVB | Platteville Muni | PLATTEVILLE, WI | 33 nm S | 6 |
5 current FAA charts for Tri-County Rgnl, including 3 instrument approachs. All are free to download as PDFs from this page, from the 6 August 2026 cycle.
CTAF 123.0. Full civil VHF list, with sector notes, is in the frequencies table on this page — from the FAA NASR subscription.
Tri-County Rgnl has 2 runways. The longest is 09/27 at 5,000 ft by 75 ft, asphalt. Full runway dimensions, lighting and approach aids are listed on this page.
No ILS is published. In total KLNR has 3 published instrument approaches, of which 2 are RNAV (GPS).
No — Tri-County Rgnl has no control tower. Traffic co-ordinates on a common frequency rather than with a controller, which is listed in the frequencies table on this page.
They are from the FAA cycle effective 6 August 2026, which is superseded on 3 September 2026. We publish each new cycle on its effective date. They are for flight simulation and reference only — not for real-world navigation.
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