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Tri-County Regional Airport
LNR · KLNR · Spring Green, WI · 717 ft elevation · var 0E · Towered
Airport information
- ICAO / IATA
- KLNR / LNR
- Coordinates
- 43.2099, -90.1813
- Elevation
- 717 ft MSL
- Magnetic variation
- 0E
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY
- NOTAM facility
- LNR
- Attendance
- MON-FRI 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1943/11
- Distance from city
- 2 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:45 AM | 09:45Z |
| Sunrise | 05:21 AM | 10:21Z |
| Sunset | 08:44 PM | 01:44Z |
| Evening civil twilight Loggable night begins | 09:20 PM | 02:20Z |
Loggable night (§1.1)
09:20 PM → 04:45 AM
Night currency (§61.57)
09:44 PM → 04:21 AM
Plan a flight from KLNR
Runway 09/27
5,000 ft × 75 ft · Asphalt (Excellent) 09
- Heading
- 089° mag · 89° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
27
- Heading
- 269° mag · 269° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (4°)
- Instrument approach
- LOC/DME
- Traffic pattern
- Left
Runway 18/36
1,850 ft × 60 ft · Asphalt (Good) 18
- Heading
- 180° mag · 180° true
- Markings
- basic
- Traffic pattern
- Left
36
- Heading
- 000° mag · 360° true
- Markings
- basic
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 135.45 | MADISON APP/DEP |
| ASOS | 119.425 | |
| RDO | 122.35 | GREEN BAY RDO |
| UNIC | 123 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| LNR · Lone Rock | VOR-DME | 112.80 | r203° / 5.5 NM |
| DLL · Dells | VORTAC | 117.00 | r219° / 27.4 NM |
| MSN · Madison | VORTAC | 108.60 | r273° / 37.1 NM |
Approaches
- RNAV (GPS) RWY 09 ↗ · amdt 0B
- RNAV (GPS) RWY 27 ↗ · amdt 0B
- LOC RWY 27 ↗ · amdt 1A
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A (additive)
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MINOR
- Parking
- tiedowns
Ownership & management
Owner
SAUK & RICHLAND COUNTIES
181 W SEMINARY ST, RICHLAND CENTER, WI
608-649-3001
Manager
MARK HIGGS
E2525 CO. HWY JJ, SPRING GREEN, WI
608-583-2600
Remarks FAA
- FOR CD CTC MADISON APP/DEP CON AT 608-249-8240. WHEN MADISON APCH CLSD, FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -31C.
- MIRL RWY 09/27 PRESET TO LOW SS-SR; TO INCR INTST & ACTVT REIL 09 & 27; MIRL RWY 09/27; MIRL RWY 18/36 - CTAF. PAPI RWY 09 & 27 OPR CONSLY.
- EMAIL ADDRESS: MARKHIGGSTCA@YAHOO.COM (ALL LOWER CASE)
- SELF SVC FUEL AVBL H24 VIA CREDIT CARD.
- OPERS CONSLY.
- OPERS CONSLY.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KLNR in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.