Airport & FBO Info for KRPX/RPX ROUNDUP ROUNDUP MT
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KRPX

ROUNDUP       ROUNDUP       MT
  Time Zone: Mountain 
Lat: N 4628.5     Long: W 10832.6    Elev: 3490     Var: -11  Longest Runway: 5099
       CTAF: 122.8

FBO & Flight Services info for KRPX

FBOs: Update your Fuel Prices
Self-Serve Fuel, Hangars, Aircraft Parking (ramp or tiedown), Courtesy Transportation, Public Telephone & Restrooms.
Ph: 406-323-1662 Fax: 406-323-1518 Freq: 122.8Website-
Service
Jet
100LL
80/87
MoGas
Fuel Avail: PRIST PREMIXED
Full        Last Update: 06/01/2026 13:44

Self4.205.20    
Misc. Info: Address: 15596 US HWY 12 W   ROUNDUP, MT 59072

MOORE QUALITYPh: 406-323-1011
-
Freq: 122.8
Service
Jet
100LL
80/87
MoGas
Fuel Avail: ~~FLYING SERVICE NO FUEL
Full        Last Update: 06/11/2026 05:57:31  
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Runway & Approach Info for KRPX
Rwy
Length
Land Dist**
Approach*
  Rwy
Length
Land Dist**
Approach*
07
5099x75  5099'          
 
  
25
  5099x75  5099'          
 
16
2460x100  2460'          
 
  
34
  2460x100  2460'          
 
 * only ILS, LOC, LDA, and SDF approaches to a specific runway are shown
** For any Declared Landing Distance Available, please see A/FD or Approach plates
Runway Weight Capability (lbs.) Help
Runway IDSingle WheelDouble WheelDouble Tandem WheelDual Double Wheel
07/2512,500N/AN/AN/A
16/34N/AN/AN/AN/A
These numbers are Advisory and are not limits.   The Airport Manager should have more accurate Weight Limits
Please email Support@FltPlan.com for further information.
Approach Charts
Approaches    
Current Weather/Notams
Customs Information Send updates to Support@FltPlan.com
Customs Not Available
A/FD
Airport / Facility DirectoryA/FD Legend
Database effective 07/09/2026
Airport Diagram of KRPX
Airport Diagram might not be current.

Facility Name: ROUNDUP
City Name: ROUNDUP
County: MUSSELSHELL
State abbrev: MT
State Name: MONTANA
   
Ownership: PUBLICLY OWNED
Use: OPEN TO THE PUBLIC
Owner's Name: ROUNDUP & MUSSELSHELL COUNTY
Address: 506 MAIN ST
 ROUNDUP, MT 59072
Owner's Phone: 406-323-1104
  
Manager's Name: KELLY GEBHARDT
Address: 20 SKYLINE DRIVE
 ROUNDUP, MT 59072
Phone: 406-323-1564; OR 406-855-7354 CONTACT FOR SVCS
   
FAA Region: NORTHWEST MOUNTAIN
FAA Field Office: HLN
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Sunrise / Sunset times for ROUNDUP

DateSunriseSunset
06/12/26 Friday5:2121:07
06/13/26 Saturday5:2121:08
06/14/26 Sunday5:2121:08
06/15/26 Monday5:2121:09
06/16/26 Tuesday5:2121:09
06/17/26 Wednesday5:2121:09
06/18/26 Thursday5:2121:10
06/19/26 Friday5:2121:10
06/20/26 Saturday5:2121:10
06/21/26 Sunday5:2121:11
06/22/26 Monday5:2121:11
06/23/26 Tuesday5:2221:11
06/24/26 Wednesday5:2221:11
06/25/26 Thursday5:2221:11

Airport Facilities

Airport Attendance ScheduleUNATTENDED
Airport Status OPERATIONAL (This Status can change at any time - please check NOTAMS)
Airport Lighting ScheduleACTVT MIRL RY 07/25 AND PAPI RY 07 & RY 25 - 122.7.
Airport Storage AvailableTie Downs, Hanger
Extra Services AvailableCrop Dusting, Charter, Flight Instruction, Parachute Jumping, Aircraft Rental, Annual Surveying
Wind IndicatorYES - (lighted)
Control TowerNO
CTAF Frequency122.800
Unicom Frequency122.800
Rotating Beacon ColorWG
Segmented CircleYES
Landing FeeNO

Airport Inspection Data

Airport InspectedSTATE - performed by STATE AERONAUTICAL PERSONNEL
Inspection Date05/01/2025

Airport Services

Type of Fuel AvailableGrade 100LL, JET A-1 (freeze point -50C); -10CREDIT CARD SELF SVC FUEL AVBL 24/7.
Airframe Repair ServiceMAJOR
Power Plant Repair ServiceMAJOR

Geographic Data

LatitudeN4628.5
LongitudeW10832.6 (ESTIMATED)
Arpt Elevation3490ft (SURVEYED)
Magnetic Variation11E
2 miles Nof ROUNDUP
Traffic Pattern Altitude
Sectional ChartBILLINGS

Aircraft Data

Operations (Reported)YearlyAvg. Daily
General Aviation Transient 00
General Aviation Local 00
Air Taxi 00
Commerical 00
Commuter 00
Military 00
Aircraft based on Field
General Aviation Singles 0
General Aviation Multi 0
Jet Aircraft 0
General Aviation Helicopters 0
Military Aircraft 0
Gliders 0
Ultralights 0; ULTRALIGHTS ON & INVOF ARPT.

FAA Services

FSS on field NO
FSS tie-in GREAT FALLS
FSS Phone 1-800-WX-BRIEF
Who issues Notams GTF
Notam D service at airport YES
ARTCC Name SALT LAKE CITY

Federal Status

Airport Certification
Aircraft Rescue & Firefighting IndexNone
Airport of EntryNo
Custom Landing RightsNo
Joint Civil/MilitaryNo
Military Landing rightsYES

Federal Agreements

NATIONAL PLAN OF INTEGRATED AIRPORT SYSTEMS (NPIAS)
GRANT AGREEMENTS UNDER FAAP/ADAP/AIP
ASSURANCES PURSUANT TO TITLE VI, CIVIL RIGHTS ACT OF 1964

Remarks

PHONE ON FLD.
WILDLIFE ON & INVOF ARPT.
FOR CD CTC BILLINGS APCH AT 406-255-2798.
Airport Communications & Frequencies:
CTAF Frequency:
122.800
Unicom Frequency:
122.800
Remarks
  • APCH/DEP CTL SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON 126.85/305.2 (MILES CITY RCAG).
    • Runway Identifications
    Runway Identification: 07/25
    Length: 5099 ft
    Width: 75 ft
    Surface: ASPHALT
    Edge lights: Medium Intensity
    Treatment: NONE

     Runway: 07   Runway: 25
    Mag heading: 67°Mag heading: 247°
    Rwy Slope: -1.17% DownRwy Slope: 1.17% Up
    Approach: Approach:
    Pattern: Left TrafficPattern: Left Traffic; RY 25 RIGHT TFC FM 2200 TO 0700.
    Markings: NONPRECISION INSTRUMENTMarkings: NONPRECISION INSTRUMENT
    Marking Condition: GOODMarking Condition: GOOD
    Arresting Dev: Arresting Dev:
    Lat & Long: N4628.4  W10833.1Lat. & Long.: N4628.6  W10831.9
    Elev: 3490.3 ft. MSLElev: 3430.8 ft. MSL
    TCH: 43 ft. AGLTCH: 42 ft. AGL
    Visual Glide Path: 4.00 degreesVisual Glide Path: 3.00 degrees
    Displaced Threshold: NoDisplaced Threshold: No
    Touchdown Zone: YESTouchdown Zone: YES
    Touchdown Elev.: 3490.3 feetTouchdown Elev.: 3453.3 feet
    Visual Glide Slope: 2-Light PAPI on LEFT side of RunwayVisual Glide Slope: 2-Light PAPI on LEFT side of Runway
    RVR Equipment: RVR Equipment:
    RVV Equipment: NORVV Equipment: NO
    Approach Lights: Approach Lights:
    REIL: NOREIL: NO
    Centerline Lights: NOCenterline Lights: NO
    Touchdown lights: NOTouchdown lights: NO
    Runway Category: Runway with a Non-precision Approach having visibility minimums greater than 3/4 mileRunway Category: Runway with a Non-precision Approach having visibility minimums greater than 3/4 mile
    Declared Distances: Declared Distances:
    Obstructions: GNDObstructions:
    Marked: NOT Marked/LightedMarked:
    Clearance slope: 29:1Clearance slope: 34:1
    Obstruction height: 17 feet AGLObstruction height:
    Dist. from runway: 700 feetDist. from runway:
    Centerline offset: Centerline offset:
    Comments: Comments:
    Runway Identification: 16/34
    Length: 2460 ft
    Width: 100 ft
    Surface: GRASS-GOOD CONDITION
    Edge lights:
    Treatment: NONE

     Runway: 16   Runway: 34
    Mag heading: 157°Mag heading: 337°
    Rwy Slope: .82% UpRwy Slope: -.82% Down
    Approach: Approach:
    Pattern: Left TrafficPattern: Left Traffic
    Markings: Markings:
    Marking Condition: RY 16/34 MKD WITH WHITE CONES FULL LENGTH; RED CONES MARK THR.Marking Condition:
    Arresting Dev: Arresting Dev:
    Lat & Long: N4628.7  W10832.9Lat. & Long.: N4628.3  W10832.8
    Elev: 3462.2 ft. MSLElev: 3482.3 ft. MSL
    TCH: TCH:
    Visual Glide Path: Visual Glide Path:
    Displaced Threshold: NoDisplaced Threshold: No
    Touchdown Zone: YESTouchdown Zone: YES
    Touchdown Elev.: 3482.3 feetTouchdown Elev.: 3482.3 feet
    Visual Glide Slope: Visual Glide Slope:
    RVR Equipment: RVR Equipment:
    RVV Equipment: NORVV Equipment: NO
    Approach Lights: Approach Lights:
    REIL: NOREIL: NO
    Centerline Lights: NOCenterline Lights: NO
    Touchdown lights: NOTouchdown lights: NO
    Runway Category: Runway with a Visual ApproachRunway Category: Runway with a Visual Approach
    Declared Distances: Declared Distances:
    C:1/P:

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