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23S
Local
23S
SEELEY LAKE
Public
PUB
2 miles E of SEELEY LAKE, MT, US
View on
Map
Status
Operational
Coordinates
47° 10' 55"N
113° 26' 43"W
Elevation
4256' MSL
Pattern Alt
5256' MSL
Mag Variation
13°E
Declination
18°E
Fuel
None Listed
FSS
GREAT FALLS (GTF)
Sectional
GREAT FALLS
ARTCC
SALT LAKE CITY (ZLC)
Data Effective
5/14/26-6/11/26
KMSO (31nm)
VFR
9:53 PM MDT
RAW
Overcast 9,000'
Viz
10sm
Temp
67°F
Dew
44°F
Pres
29.96"Hg
Wind
110° 5kts
RMK
AO2 SLP133 T01940067 $
METAR KMSO 040353Z 11005KT 10SM OVC090 19/07 A2996 RMK AO2 SLP133 T01940067 $
Services
Frequencies & Documents
Freqs & Docs
TAF
NOTAM
Operations
Runways
Remarks
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23S FBOs
No FBOs (Fixed Base Operators) are listed for this airport.
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Your Information
Business
x
Common
CTAF
122.9
FAA A/FD Pages
FAA A/FD Page
Terminal Area Forecast
KMSO (31nm)
RAW
Reported
Wed, 6/3 5:24 PM MDT
Valid
Wed, 6/3 6:00 PM MDT - Thu, 6/4 6:00 PM MDT
VFR
6:00 PM MDT - 9:00 PM MDT
Light Showers and Rain
Broken 9,000'
Viz
N/A
Wind
210° 10kts
VFR
6:00 PM MDT - 12:00 AM MDT
Showers in vicinity
Broken 20,000'
Scattered 10,000'
Viz
6sm
Wind
250° 7kts
VFR
12:00 AM MDT - 1:00 PM MDT
Light Showers and Rain
Overcast 5,000'
Viz
6sm
Wind
VRB° 6kts
VFR
1:00 PM MDT - 6:00 PM MDT
Broken 6,000'
Viz
6sm
Wind
280° 11kts
Gusts 18kts
TAF KMSO 032324Z 0400/0424 25007KT P6SM VCSH SCT100 BKN200
PROB30 0400/0403 21010KT -SHRA BKN090
FM040600 VRB06KT P6SM -SHRA OVC050
FM041900 28011G18KT P6SM BKN060
23S
Effective
Expires
Category
NOTAM
Domestic
3/27/26
1745Z
7/31/26
2300Z
!GTF 03/340 23S TWY SOUTH TWY WIP CONST ADJ 2603271745-2607312300
1/3/25
2133Z
!GTF 01/093 23S AD AP SFC COND NOT REP 2501032133-PERM
ATC Tower
No
Attendance
UNATNDD
Owner
MONTANA AERONAUTICS DIVISION
PO BOX 200507
HELENA, MT 59620
Phone: 406-444-2506
Manager
TIM CONWAY
PO BOX 200507
HELENA, MT 59620
Phone: 406-444-2506
FSS
GREAT FALLS FSS (GTF)
Toll Free: 1-800-WX-BRIEF
NOTAM
GTF
Light Schedule
--
Lights
RWY 34 SOLAR LGTS FIRST 2/3 OF RWY - SUMMER MONTHS ONLY
Beacon
N/A
Wind Indicator
Yes
Segmented Cir.
Yes
Landing Fee
No
Parking
Tie-Down
Int'l Operations
No
Airframe Repair
None
Pwrplant Repair
None
Bottled Oxygen
None
Bulk Oxygen
None
Other Services
None
Runway 16/34
Dimensions
4575 ft. x 75 ft.
Surface Type
TURF
Surface Cond
Excellent
Treatment
NONE
Rwy Edge Lgts
Pavement Class
Single Wheel
--
Double Wheel
--
Double Tandem
--
Dual Dbl Tand
--
Runway 16
Runway 34
True Heading
180°
0°
Traffic Pattern
Left
Left
Markings
Markings Condition
GOOD
GOOD
Latitude
47° 11' 18"N
47° 10' 32"N
Longitude
113° 26' 43"W
113° 26' 43"W
Elevation
4,256'
4,180'
Threshold Crossing Height
--
--
Visual Glide Path Angle
--
--
Visual Slope Indicator
--
--
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1
TKOFS TO N NOT RECOMMENDED DUE TO RISING TRRN.
A110-2
TREES IN TRANSITIONAL SFC FULL RWY LEN BOTH SIDES.
A110-4
BIRDS & WILDLIFE ON & INVOF ARPT.
A110-5
SNOW REMOVAL INTMT, CALL AMGR FOR CURRENT CONDS 406-444-2506.
A110-6
RWY 34 HAS 1150 FT OVRN AVBL FOR TKOF AND LDG.
A110-7
CREW CAR AVBL.
A110-8
FOR CD CTC SPOKANE APCH AT 509-742-2522, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568
A110-9
RWY 16 DTHR 311 FT FM RWY END FOR 20:1 APCH SLP MKD WITH DBL W CONES.
A42-16_MARK
RWY 16 MKD FULL LEN WITH W CONES & REFLECTIVE TAPE - SUMMER MONTHS ONLY
A42-34_MARK
RWY 34 MKD FULL LEN WITH W CONES & REFLECTIVE TAPE - SUMMER MONTHS ONLY.
A81-APT
RWY 34 SOLAR LGTS FIRST 2/3 OF RWY - SUMMER MONTHS ONLY
SEELEY LAKE (IATA: 23S) is a public airport located in SEELEY LAKE, MT, US.
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