Seeley Lake Airport
23S · Seeley Lake, MT · Non-towered · Print kneeboard
Nearby now
Loading…
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night2026-08-04 · night begins 09:38 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:41 AM | 11:41Z |
| Sunrise | 06:16 AM | 12:16Z |
| Sunset | 09:03 PM | 03:03Z |
| Evening civil twilight Loggable night begins | 09:38 PM | 03:38Z |
Plan a flight from 23S
Winds aloft NOAA forecast · 3,000 to 53,000 ft
Loading winds aloft…
Advisories
NOTAMs
Loading NOTAMs…
Pilot reports
Loading PIREPs…
Airspace hazards
Checking advisories…
Runways
RWY 16LEFT traffic
- Heading
- 162° mag · 180° true
- Dimensions
- 4,575 × 75 ft
- TPA
- 5,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the left downwind (heading 342°) on the 45° at 5,300 ft MSL (≈1,000 AGL).
More details — RWY 16
- Threshold elev
- 4,256 ft
- Approach obstacle
- Trees, 50 ft, 350 ft from threshold — 7:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 16/34 | 4,575 ft |
Prefer one flat page? Full runway details for 23S → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 23S kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
MSO 112.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| MSO · Missoula | VOR/DME | 112.80 · 75X | Low | r045° / 30.8 NM |
Prefer one flat list? All 23S frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 23S
- Coordinates
- 47.1791, -113.4450
- Elevation
- 4,256 ft MSL
- Magnetic variation
- 18E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Beacon
- white (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1964/08
- Distance from city
- 2 E
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white · SS-SR
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 11 notes
General
- TKOFS TO N NOT RECOMMENDED DUE TO RISING TRRN.
- TREES IN TRANSITIONAL SFC FULL RWY LEN BOTH SIDES.
- BIRDS & WILDLIFE ON & INVOF ARPT.
- SNOW REMOVAL INTMT, CALL AMGR FOR CURRENT CONDS 406-444-2506.
- RWY 34 HAS 1150 FT OVRN AVBL FOR TKOF AND LDG.
- CREW CAR AVBL.
- FOR CD CTC SPOKANE APCH AT 509-742-2522, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568
- RWY 16 DTHR 311 FT FM RWY END FOR 20:1 APCH SLP MKD WITH DBL W CONES.
Runways
- RWY 16 MKD FULL LEN WITH W CONES & REFLECTIVE TAPE - SUMMER MONTHS ONLY
- RWY 34 MKD FULL LEN WITH W CONES & REFLECTIVE TAPE - SUMMER MONTHS ONLY.
Lighting
- RWY 34 SOLAR LGTS FIRST 2/3 OF RWY - SUMMER MONTHS ONLY
Nearby airports
Loading nearby conditions…
Also nearby: MT39 Black Canyon Ranch Airport (private) (7 NM) · 42MT Crown Ranch Airpark (private) (16 NM) · S04 Condon USFS Airport (24 NM) · 52S St Ignatius Airport (27 NM) · RC0 Rock Creek Airport (29 NM) · 3U7 Benchmark Airport (30 NM)
About 23S
Seeley Lake Airport (23S) is an airport in Seeley Lake, MT, at 4,256 ft MSL. It has 1 runway, the longest 4,575 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 23S, refreshed from the Aviation Weather Center and FAA NASR.
Does 23S have a control tower?
No. Seeley Lake Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 23S?
Seeley Lake Airport has 1 runway; the longest is 4,575 ft. See the Runways section for headings, surface, and lighting.
Where is 23S?
Seeley Lake Airport is in Seeley Lake, MT, at an elevation of 4,256 ft MSL. Coordinates: 47.1791, -113.4450.
Fly out of 23S often?
Save 23S as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 23S in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.