Airport information
- FAA LID
- 21MT
- Coordinates
- 45.7478, -111.0727
- Elevation
- 4,582 ft MSL
- Sectional chart
- GREAT FALLS
- Airport use
- Private
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 2015/09
- Distance from city
- 5 SE
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 | 04:56 AM | 10:56Z |
| Sunrise | 05:34 AM | 11:34Z |
| Sunset | 09:17 PM | 03:17Z |
| Evening civil twilight Loggable night begins | 09:56 PM | 03:56Z |
Loggable night (§1.1)
09:56 PM → 04:56 AM
Night currency (§61.57)
10:17 PM → 04:34 AM
Plan a flight from 21MT
Runway 18/36
1,900 ft × 50 ft · Turf 18
- Heading
- n/a
- Traffic pattern
- Left
36
- Heading
- n/a
- Traffic pattern
- Left
Runway 9/27
2,050 ft × 50 ft · Turf 9
- Heading
- n/a
27
- Heading
- n/a
Headings shown are true (magnetic variation unavailable).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BZN · Bozeman | VOR-DME | 112.40 | r104° / 4.1 NM |
| LVM · Livingston | VORTAC | 116.10 | r261° / 26.6 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 21MT. VFR sectional link above.
Ownership & management
Owner
LLOYD HARRIS
3921 SPRING HILL RD, BOZEMAN, MT
(406) 579-5452
Manager
LLOYD HARRIS
3921 SPRING HILL RD, BOZEMAN, MT
(406) 579-5452
Remarks FAA
- FOR CD CTC BIG SKY APCH AT 208-364-5860/5861, IF UNABLE CTC SALT LAKE ARTCC AT 801-320-2568.
- CELL 406-579-5452
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 21MT in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.