Lake County Airports — Northwest Montana · Ronan · Polson · St. Ignatius
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Polson Airport

1 mile W of Polson, MT · FAA Identifier: 8S1 · Elevation: 2941 ft MSL

Airport Overview

Polson Airport (8S1)

Polson Airport (8S1) is a public-use general aviation airport located one mile west of the city of Polson, Montana on the southern shore of Flathead Lake — the largest natural freshwater lake west of the Mississippi River.

The airport has been open to the public since April 1940 and is operated under the Lake County Joint Airport Board. Fuel (100LL and JET A) is available via 24-hour self-service, and major airframe and powerplant services are offered.

Polson and Flathead Lake offer exceptional summer recreation including watercraft rentals, fishing, camping, hiking, and world-class lodging. It is an ideal fly-in destination for pilots exploring northwest Montana.

Aerial view of Polson Airport (8S1)

Quick Facts

FAA Identifier
8S1
Location
1 mile W of Polson, MT 59860
Coordinates
47-41.726667N
114-11.116667W
Elevation
2941 ft MSL
Activated
April 1940
Status
Open to public

Runway

Designation
RWY 18/36
Length
4195 ft
Width
75 ft
Surface
Asphalt

Fuel & Services

  • 100LL Fuel Available
  • JET A Fuel Available
  • 24-hour self-service
  • Major airframe service
  • Powerplant service

Hangars & Ground Leases

Information on hangar rentals and ground leases at Polson Airport may be obtained from the airport manager directly.

Contact for Info

Communications & Lighting

Radio & Weather

Frequencies

CTAF / UNICOM
122.8

Weather (AWOS)

AWOS III at 7S0
119.925
Distance
8 nm SE at Ronan

Lighting

Beacon
White-green, dusk–dawn
Runway Lights
MIRL, dusk–dawn
Activation
Key CTAF 122.8
Wind Indicator
Lighted
Segmented Circle
Yes

Runway Details

RWY 18/36 — Per-End Data

4,195 × 75 ft · Asphalt, good condition · Medium Intensity Edge Lights · Single wheel load: 17,000 lbs

Runway 18 (South)

Heading
182° Magnetic / 199° True
Threshold Elevation
2,937.4 ft
Gradient
0.1%
Traffic Pattern
Left
PAPI
4-light, left side, 3.00°
Markings
Basic, good condition
Obstructions
17 ft highway, 537 ft from threshold (19:1 slope to clear)

Runway 36 (North)

Heading
002° Magnetic / 019° True
Threshold Elevation
2,939.2 ft
Gradient
0.1%
Traffic Pattern
Left
PAPI
2-light, left side, 4.00°
Markings
Basic, good condition
Obstructions
10 ft ditch 168 ft from end; terrain drops 60 ft right of centerline

RWY 3W/21W — Water Runway (Flathead Lake)

Dimensions: 4,000 × 500 ft
Surface: Water
Traffic Pattern: Left (both ends)

Seaplane landing area also used by boats. When landing RWY 36, be alert to seaplane landings on adjacent river.

Airport Operations

ATC, FSS & Notices

ATC & Services

Control Tower
None
ARTCC
Salt Lake City Center
FSS
Great Falls Flight Service
NOTAMs
GTF (NOTAM-D available)
Sectional Chart
Great Falls
Attendance
0800–1700
Magnetic Variation
17° East

Notices & Remarks

  • Tower 600 ft AGL, 3 mi south — unlighted
  • Ridge +405 ft, 8,500 ft from RWY 36 end
  • When landing RWY 36 — be alert to seaplane landings on adjacent river
  • Seaplane landing area also used by boats

Navigation

Radio Navigation Aids

Type Name / ID Frequency Bearing / Dist Var
VOR/DME Kalispell (FCA) 113.20 R-163 / 31.1 nm 18°E
NDB Smith Lake (SAK) 515 141° / 27.1 nm 15°E
NDB Konna (INE) 521 356° / 37.1 nm 17°E

Based Aircraft

Aircraft & Operations

Total Based Aircraft
56
Single Engine
50
Multi Engine
3
Jet
1
Helicopter
1
Glider
1
Avg. Daily Operations
27
Transient GA
51%
Local GA
46%
Air Taxi
2%
Military
<1%

Instrument Procedures

IFR Approaches

  • RNAV (GPS) RWY 18

    Published approach

  • RNAV (GPS) RWY 36

    Published approach

  • ANGIL ONE (RNAV) Obstacle DP

    Departure procedure

  • Special T/O Minimums

    Non-standard departure minimums apply

Always consult current FAA charts for flight planning. Procedures subject to change.

Planning Documents

Polson Airport – Master Plan

Airport Layout Plans (ALP) and planning documents for Polson Airport (8S1).

For full master plan documents including ALP sheets, visit the Master Plan page.

View Master Plan Documents

Questions About Our Airports?

For hangar rentals and ground leases, contact the individual airport managers. Board meetings are open to the public and held monthly.