Dauntless Aviation
Airports North America United States Montana
KRPX
RPX
RPX

ROUNDUP AIRPORT

ROUNDUP, MT, USA
Airport Info
 Suggest Updated Information for this Airport

Location
Latitude / Longitude: 46°28'30"N / 108°32'36"W
  46°28.5'N / 108°32.605'W
  46.4750 / -108.5434
Elevation: 3490.3 ft. (surveyed)
Variation: 11E (2015)
From city: 02 miles N of ROUNDUP, MT

Operations
Facility use: Open to the public
Sectional chart: BILLINGS
Control tower: no
Boundary ARTCC: SALT LAKE CITY
Responsible ARTCC: SALT LAKE CITY
FSS: GREAT FALLS [1-800-WX-BRIEF]
NOTAMs facility: GTF (NOTAM-D service available)
Segmented circle: yes
Lights: SEE RMK
Landing fee: no

Communications
UNICOM: 122.800
CTAF: 122.800

Nearby radio navigation aids
VOR radial/distance VOR name Freq Var
 
NDB name Hdg/Dist Freq Var ID
ROUNDUP 108oT/1.0 362 17E RPX

Services
Fuel available: 100LLA1
Airframe service: MAJOR
Powerplant service: MAJOR
Bottled oxygen: NONE
Bulk oxygen: NONE

Runway Information

Runway 07/25
Dimensions: 5099 x 75 ft.
Surface: ASPHALT OR BITUMINOUS CONCRETE,EXCELLENT CONDITION,NO SPECIAL SURFACE TREATMENT
Latitude: PI G46-28-24.9 PI G46-28-35.6
Longitude: 9658N108-33-04. 6501N108-31-53.
Elevation: 9018W 3 ft. 7271W 3 ft.
Runway true heading: 0 2
Declared distances: TORA:/2012 TORA:/2012
Visual slope indicator: (.3 4 degrees glide path) (.8 4 degrees glide path)
RVR equipment: P2L P2L
Instrument approach: 7 078 5 258
 

Runway 16/34
Dimensions: 2460 x 100 ft.
Surface: GRASS; SOD,GOOD CONDITION,NO SPECIAL SURFACE TREATMENT
Latitude: 46-28-41.2 46-28-17.4
Longitude: 2142N108-32-54. 4939N108-32-46.
Elevation: 2997W 3 ft. 8273W 3 ft.
Runway true heading: 1 3
Declared distances: TORA:/2012 TORA:/2012
Visual slope indicator: (.2 degrees glide path) (.3 degrees glide path)
Instrument approach: 6 168 4 348
 

Additional Remarks
  • PHONE ON FLD.
  • WILDLIFE ON & INVOF ARPT.
  • FOR CD CTC BILLINGS APCH AT 406-255-2798.

Instrument Procedures
Effective September 03, 2026 to October 01, 2026

IAPs (Instrument Approach Procedures)
    RNAV (GPS) RWY 07 (PDF)
    RNAV (GPS) RWY 25 (PDF)
    TAKEOFF MINIMUMS (PDF)
 
    Legends & General Information
    Airport Diagram Legend
Road maps at:
Topographic chart at:
Satellite photo at:
Airport distance calculator
From:
Weather Reports

METAR

TAF
Safelog

 
Dauntless Aviation

© 2007-2026 Dauntless Aviation, all rights reserved
Information provided via PilotNav comes from a variety of official and unofficial data sources. As errors are possible, do not use PilotNav for primary flight planning purposes. Verify any information that you receive via PilotNav with current and canonical charts and other official documents. The material in this database is subject to database copyrights held by Dauntless Aviation and may not be copied without the express permission of Dauntless Aviation - licenses for use of part of all of this data are available for purchase; enquire via the Dauntless Aviation helpdesk. A number of mechanisms and markers exist in the database to protect against and identify infringement / copyright. Automated queries against this website are strictly prohibited, and all activity is logged and analyzed.