Airport information
- FAA LID
- 1S3
- Coordinates
- 46.2711, -106.6240
- Elevation
- 2,727 ft MSL
- Magnetic variation
- 9E
- Sectional chart
- BILLINGS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- GTF
- Attendance
- IREG
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1943/09
- Distance from city
- 3 E
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 | 04:35 AM | 10:35Z |
| Sunrise | 05:14 AM | 11:14Z |
| Sunset | 09:02 PM | 03:02Z |
| Evening civil twilight Loggable night begins | 09:41 PM | 03:41Z |
Loggable night (§1.1)
09:41 PM → 04:35 AM
Night currency (§61.57)
10:02 PM → 04:14 AM
Plan a flight from 1S3
Runway 08/26
4,799 ft × 75 ft · ASPH-G 08
- Heading
- 087° mag · 96° true
26
- Heading
- 267° mag · 276° true
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| FSS | 122.2 | GREAT FALLS |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MLS · Miles City | VORTAC | 112.10 | r242° / 28.6 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
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Instruction
Ownership & management
Owner
COUNTY OF ROSEBUD
P.O. BOX 47, FORSYTH, MT
(406) 346-2251
Manager
BRIAN SCHWEND
PO BOX 45, FORSYTH, MT
406-346-7129
Remarks FAA
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- MIRL RY 09/27 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 09 & 27 - CTAF.
- HOME 406-346-7129.
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 1S3 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.