Airport information
- FAA LID
- 1MT7
- Coordinates
- 47.4211, -111.1590
- Elevation
- 3,420 ft MSL
- Magnetic variation
- 15E
- Sectional chart
- GREAT FALLS
- Airport use
- Private
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2002/05
- Distance from city
- 1 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:47 AM | 10:47Z |
| Sunrise | 05:28 AM | 11:28Z |
| Sunset | 09:25 PM | 03:25Z |
| Evening civil twilight Loggable night begins | 10:06 PM | 04:06Z |
Plan a flight from 1MT7
Traffic pattern
- Landing
- Rwy 18
- Pattern
- left (turns left)
- TPA
- 4,400 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 18 at 4,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 18/36
3,100 ft × 50 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Hill, 200 ft, 200 ft from threshold
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Hill, 200 ft, 20 ft from threshold
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 3,100 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| GFA · Malmstrom | TACAN | 115.80 | r152° / 5.1 NM |
| GTF · Great Falls | VORTAC | 115.10 | r083° / 10.4 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 1MT7. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
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 1MT7 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About 1MT7
Prill Field (1MT7) is an airport in Sand Coulee, MT, at 3,420 ft MSL. It has 1 runway, the longest 3,100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 1MT7, refreshed from the Aviation Weather Center and FAA NASR.
Does 1MT7 have a control tower?
No. Prill Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 1MT7?
Prill Field has 1 runway; the longest is 3,100 ft. See the Runways tab for headings, surface, and lighting.
Where is 1MT7?
Prill Field is in Sand Coulee, MT, at an elevation of 3,420 ft MSL. Coordinates: 47.4211, -111.1590.
Fly out of 1MT7 often?
Save 1MT7 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.