Roundup (KRPX)
Non-towered public-use airport serving Roundup, Montana, at 3,490 ft elevation.
Elevation3,490 ft
ControlNon-towered
Longest runway5,099 ft
Magnetic variation11° E
On the field: flight training, aircraft rental, charter (as listed in FAA data). Find flight schools in Montana.
Live weather
Forecast (TAF)
Loading…
Frequencies
| CTAF | 122.8 |
|---|---|
| UNICOM | 122.8 |
Runways
| Runway | Size | Surface | Lights |
|---|---|---|---|
| 07/25 | 5,099 × 75 ft | Asphalt | Medium intensity |
| 16/34 | 2,460 × 100 ft | Turf |
Fuel: 100LL, A1. Sectional: Billings.
Runway diagram
Drawn to scale from FAA runway-end data, true north up. Not for navigation: use the official FAA airport diagram and Chart Supplement.
Nearby airports
80SLavina20 NM SW7S2Winnett31 NM N8U0Ryegate31 NM WKBILBillings Logan International40 NM S6S8Laurel Municipal47 NM SKLWTLewistown Municipal51 NM NW
Before you fly here
- Read the FAA Chart Supplement entry for RPX: traffic pattern, CTAF/UNICOM, hours, fuel and remarks.
- Check NOTAMs and get a weather briefing at 1800wxbrief.com.
- Study the airport diagram and the sectional around KRPX for airspace and terrain.
- More detail: AirNav · SkyVector
Airport data from the FAA National Airspace System Resource (NASR) subscription effective Oct 1, 2026; magnetic variation as published for 2015. Weather is live from aviationweather.gov. Always confirm with current official sources before flight. This guide is a study aid.