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S85
BIG SKY FLD
PublicPUB

1 miles NE of CULBERTSON, MT
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
48° 09' 13"N 104° 30' 15"W
1953' MSL
2953' MSL
13E
100LL
GREAT FALLS (GTF)
BILLINGS
SALT LAKE CITY (ZLC)
4/17/25-5/15/25
KPO1 (26nm) VFR
1:55 PM MST  
Light Rain and Mist
Scattered 3,100'
Scattered 2,500'
Scattered 2,100'
6sm
32°F
30°F
29.46"Hg
210° 9kts
AO2 P0001 TSNO
METAR KPO1 072055Z AUTO 21009KT 6SM -RA BR SCT021 SCT025 SCT031 00/M01 A2946 RMK AO2 P0001 TSNO
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122.8 122.8

AWOS-2

AWOS-2
406-787-5819
 120.0

FAA A/FD Pages

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)
Wed, 1/7 10:20 AM MST
Wed, 1/7 11:00 AM MST - Thu, 1/8 11:00 AM MST
VFR
11:00 AM MST - 2:00 PM MST
Broken 8,000'
6sm
220° 12kts
VFR
2:00 PM MST - 4:00 PM MST
Scattered 7,000'
6sm
260° 16kts
Gusts 24kts
VFR
4:00 PM MST - 10:00 PM MST
Scattered 11,000'
6sm
270° 15kts
Gusts 22kts
VFR
10:00 PM MST - 11:00 AM MST
Few 18,000'
6sm
260° 8kts
TAF KSDY 071720Z 0718/0818 22012KT P6SM BKN080
   FM072100 26016G24KT P6SM SCT070
   FM072300 27015G22KT P6SM SCT110 WS020/28050KT
   FM080500 26008KT P6SM FEW180
S85
EffectiveExpiresCategoryNOTAM
Domestic
1/6/26
0530Z
1/21/26
0430Z
!GTF 01/037 S85 OBST TOWER LGT (ASR 1292699) 481225.70N1043146.90W (3.4NM NNW S85) 2710.6FT (319.9FT AGL) U/S 2601060530-2601210430
No
UNATNDD
ON CALL ALL HOURS 406-787-6680/0660.
ROOSEVELT COUNTY & CITY
210 BROADWAY
CULBERTSON, MT 59218
Phone: 406-787-5271
ROBERT JASPER
BOX 351
CULBERTSON, MT 59218
Phone: 406-787-5271
GREAT FALLS FSS (GTF)
Toll Free: 1-800-WX-BRIEF
GTF
--
ACTVT MIRL RY 08/26 & PAPI RY 26 - CTAF.
N/A
Yes - Lighted
Yes
No
Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
None
None
None
None
Crop Dusting
Air Ambulance
Annual Surveying

Runway 08/26

3800 ft. x 60 ft.
ASPH  
Excellent 
NONE 
MED 
 
12,000lbs 
-- 
-- 
-- 
  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
A110-1FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
A110-22,876 FT TWRS 3.5 MIS NW.
BIG SKY FLD (IATA: S85) is a public airport located in CULBERTSON, MT.