Airport information
- FAA LID
- S85
- Coordinates
- 48.1533, -104.5040
- Elevation
- 1,954 ft MSL
- Magnetic variation
- 13E
- Sectional chart
- BILLINGS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1950/10
- Distance from city
- 1 NE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:16 AM | 10:16Z |
| Sunrise | 04:57 AM | 10:57Z |
| Sunset | 09:02 PM | 03:02Z |
| Evening civil twilight Loggable night begins | 09:43 PM | 03:43Z |
Loggable night (§1.1)
09:43 PM → 04:16 AM
Night currency (§61.57)
10:02 PM → 03:57 AM
Plan a flight from S85
Runway 08/26
3,800 ft × 60 ft · Asphalt (Good) 08
- Heading
- 077° mag · 90° true
- Markings
- basic
- Traffic pattern
- Left
26
- Heading
- 257° mag · 270° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.8 |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ISN · Williston | VORTAC | 116.30 | r247° / 30.7 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
- Other services
- Agricultural, Air ambulance, Survey
Ownership & management
Owner
ROOSEVELT COUNTY & CITY
210 BROADWAY, CULBERTSON, MT
406-787-5271
Manager
ROBERT JASPER
BOX 351, CULBERTSON, MT
406-787-5271
Remarks FAA
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- 2,876 FT TWRS 3.5 MIS NW.
- ACTVT MIRL RY 08/26 & PAPI RY 26 - CTAF.
- ON CALL ALL HOURS 406-787-6680/0660.
- SELF SERVICE CREDIT CARD 24/7
Nearby airports
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 S85 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.