iFlightPlanner
»
Sign In
X
Home
Features
Join
Resources
A/FD - Airport/Facility Directory
Aviation Charts & Wx on Google Maps
Flight Instructor Directory
METAR & TAF Translator
Coded Departure Route Lookup
Preferred Route Lookup
Data Services
Aviation Chart Map Tile Service
Business & Fuel Price Data
Blog
Contact Us
S85
BIG SKY FLD
Public
PUB
1 miles NE of CULBERTSON, MT
View on
Map
Status
Operational
Coordinates
48° 09' 13"N
104° 30' 15"W
Elevation
1953' MSL
Pattern Alt
2953' MSL
Mag Variation
13E
Fuel
100LL
FSS
GREAT FALLS (GTF)
Sectional
BILLINGS
ARTCC
SALT LAKE CITY (ZLC)
Data Effective
11/27/25-12/25/25
KPO1 (26nm)
VFR
2:15 PM MST
RAW
Clear
Viz
10sm
Temp
7°F
Dew
0°F
Pres
29.94"Hg
Wind
150° 8kts
RMK
AO2 TSNO
METAR KPO1 182115Z AUTO 15008KT 10SM CLR M14/M18 A2994 RMK AO2 TSNO
Services
Frequencies & Documents
Freqs & Docs
TAF
NOTAM
Operations
Runways
Remarks
Add Your Business
S85 FBOs
No FBOs (Fixed Base Operators) are listed for this airport.
X
Send Message to Airport Company
Enter your information and message below.
Your Information
Business
x
UNICOM
122.8
CTAF
122.8
AWOS-3
AWOS-3
406-787-5819
120.0
FAA A/FD Pages
FAA A/FD Page
Airport Diagrams
No Documents
Airport Minimums
No Documents
Departure Procedures
No Documents
Hotspot
No Documents
Standard Term. Arrival
No Documents
Instrument Approach
No Documents
Terminal Area Forecast
KSDY (30nm)
RAW
Reported
Thu, 12/18 10:20 AM MST
Valid
Thu, 12/18 11:00 AM MST - Fri, 12/19 11:00 AM MST
VFR
11:00 AM MST - 11:00 PM MST
Sky Clear
Viz
6sm
Wind
300° 8kts
VFR
11:00 PM MST - 4:00 AM MST
Overcast 8,000'
Viz
6sm
Wind
150° 11kts
Gusts 19kts
MVFR
12:00 AM MST - 4:00 AM MST
Light Freezing Rain and Snow
Overcast 6,000'
Viz
5sm
Wind
Calm
VFR
4:00 AM MST - 5:00 AM MST
Light Freezing Rain and Snow
Overcast 3,500'
Viz
6sm
Wind
Calm
VFR
4:00 AM MST - 9:00 AM MST
Overcast 8,000'
Viz
6sm
Wind
180° 18kts
Gusts 28kts
VFR
9:00 AM MST - 11:00 AM MST
Few 8,000'
Viz
6sm
Wind
210° 20kts
Gusts 34kts
TAF KSDY 181720Z 1818/1918 30008KT P6SM SKC
FM190600 15011G19KT P6SM OVC080
PROB30 1907/1911 5SM -FZRASN OVC060
FM191100 18018G28KT P6SM OVC080
PROB30 1911/1912 6SM -FZRASN OVC035
FM191600 21020G34KT P6SM FEW080 WS020/25055KT
S85
Effective
Expires
Category
NOTAM
Domestic
12/9/25
0536Z
12/24/25
0436Z
!GTF 12/137 S85 OBST TOWER LGT (ASR 1292699) 481225.70N1043146.90W (3.4NM NNW S85) 2710.6FT (319.9FT AGL) U/S 2512090536-2512240436
ATC Tower
No
Attendance
UNATNDD
ON CALL ALL HOURS 406-787-6680/0660.
Owner
ROOSEVELT COUNTY & CITY
210 BROADWAY
CULBERTSON, MT 59218
Phone: 406-787-5271
Manager
ROBERT JASPER
BOX 351
CULBERTSON, MT 59218
Phone: 406-787-5271
FSS
GREAT FALLS FSS (GTF)
Toll Free: 1-800-WX-BRIEF
NOTAM
GTF
Light Schedule
--
Lights
ACTVT MIRL RY 08/26 & PAPI RY 26 - CTAF.
Beacon
N/A
Wind Indicator
Yes - Lighted
Segmented Cir.
Yes
Landing Fee
No
Parking
Tie-Down
Int'l Operations
NOT a Landing Rights Airport
NOT an Airport of Entry
Airframe Repair
None
Pwrplant Repair
None
Bottled Oxygen
None
Bulk Oxygen
None
Other Services
Crop Dusting
Air Ambulance
Annual Surveying
Runway 08/26
Dimensions
3800 ft. x 60 ft.
Surface Type
ASPH
Surface Cond
Excellent
Treatment
NONE
Rwy Edge Lgts
MED
Pavement Class
Single Wheel
12,000lbs
Double Wheel
--
Double Tandem
--
Dual Dbl Tand
--
Runway 08
Runway 26
True Heading
90°
270°
Traffic Pattern
Left
Left
Markings
BSC
BSC
Markings Condition
GOOD
GOOD
Latitude
48° 09' 13"N
48° 09' 13"N
Longitude
104° 30' 43"W
104° 29' 47"W
Elevation
1,953'
1,934'
Threshold Crossing Height
--
27 ft. AGL
Visual Glide Path Angle
--
3°
Visual Slope Indicator
--
P2L
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1
FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
A110-2
2,876 FT TWRS 3.5 MIS NW.
BIG SKY FLD (IATA: S85) is a public airport located in CULBERTSON, MT.
© iFlightPlanner | Web, iPad, & iPhone Flight Planning
|
Site Map
|
Privacy Policy
