Peterson Ranch Airport Private
MT77 · Highwood, MT · 3,340 ft elevation · var 17E · Non-towered
Airport information
- FAA LID
- MT77
- Coordinates
- 47.6087, -110.9065
- Elevation
- 3,340 ft MSL
- Magnetic variation
- 17E
- 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
- Activated
- 1990/08
- Distance from city
- 5 NW
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 | 04:45 AM | 10:45Z |
| Sunrise | 05:26 AM | 11:26Z |
| Sunset | 09:25 PM | 03:25Z |
| Evening civil twilight Loggable night begins | 10:06 PM | 04:06Z |
Plan a flight from MT77
Traffic pattern
- Landing
- Rwy 05
- Pattern
- left (turns left)
- TPA
- 4,300 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 05 at 4,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 05/23
2,000 ft × 50 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Pline, 35 ft, 10 ft from threshold
- Displaced threshold
- 500 ft
- Heading
- n/a
- Traffic pattern
- Left
Runway 07/25
800 ft × 50 ft · TURF- Heading
- n/a
- Heading
- n/a
Runway 17/35
2,040 ft × 50 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Pline, 10 ft, 150 ft from threshold
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 2,000 ft | |
| 07/25 | 800 ft | |
| 17/35 | 2,040 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| GFA · Malmstrom | TACAN | 115.80 | r044° / 12.8 NM |
| GTF · Great Falls | VORTAC | 115.10 | r049° / 22.6 NM |
VFR sectional
No published instrument procedures or Chart Supplement for MT77. VFR sectional link above.
Ownership & management
Remarks FAA
- PRVDD ARPT IS OPERATED IN ACCORDANCE WITH PROPONENTS PROPOSAL.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- RY 05/23 CLSD INDEFLY.
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 MT77 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 MT77
Peterson Ranch Airport (MT77) is an airport in Highwood, MT, at 3,340 ft MSL. It has 3 runways, the longest 2,040 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MT77, refreshed from the Aviation Weather Center and FAA NASR.
Does MT77 have a control tower?
No. Peterson Ranch Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at MT77?
Peterson Ranch Airport has 3 runways; the longest is 2,040 ft. See the Runways tab for headings, surface, and lighting.
Where is MT77?
Peterson Ranch Airport is in Highwood, MT, at an elevation of 3,340 ft MSL. Coordinates: 47.6087, -110.9065.
Fly out of MT77 often?
Save MT77 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.