Roundup Airport
Daylight today(Sep 1, 2026, local time)
About 13h 20m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Roundup Airport
Roundup Airport is a public use airport located two nautical miles (4 km) north of the central business district of Roundup, a city in Musselshell County, Montana, United States. It is owned by the city and county. This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.
Summary from Wikipedia licensed under CC BY-SA.
Live weather
KRPXNOTAMs
KRPXReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 07 / 25 | 5,098 ft / 1,554 m | 75 ft | Asp | Lighted | Open |
| 16 / 34 | 2,460 ft / 750 m | 100 ft | Grs | Unlit | Open |
Radio frequencies (1)
| Type | Description | Frequency |
|---|---|---|
| UNIC | CTAF/UNICOM | 122.800 MHz |
Instrument procedures & charts
Instrument approaches (2)
Takeoff & alternate minimums (1)
Showing 3 of 3 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| DZ PMT019 SR-SS WKNDS | Special use | Danger | GND | 14500 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from Roundup Airport.
Frequently asked questions
What is the ICAO code for Roundup Airport?
The ICAO code for Roundup Airport is KRPX, and its IATA code is RPX.
Where is Roundup Airport located?
Roundup Airport is small airport located in Roundup, United States, at an elevation of 3,500 ft (1,067 m).
How many runways does Roundup Airport have?
Roundup Airport has 2 runways, the longest being 5,098 ft / 1,554 m.
What time zone is Roundup Airport in?
Roundup Airport is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Roundup Airport?
The magnetic variation (declination) at Roundup Airport is approximately 10.1° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Roundup Airport?
The nearest airport to Roundup Airport is Lavina Airport (80S), about 19.9 nm to the wsw, followed by 16 Ranch Airport and N Bar Ranch Airport.
Is the information on this page suitable for flight planning?
No. Roundup Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.