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KRPX · Roundup Airport

ICAO · US · 5 NTSB events

ID KRPX FAA RPX Elev 3,500 ft Lat 46° 28.51' N Lon 108° 32.49' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Decode in METAR tool TAF on AWC ↗ NOTAMs ↗

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

4 runway ends on file. Longest: 5,098 ft. Max gradient: 1.17% (noticeable slope — affects performance)

Designator Heading Length Width Surface Lighting Gradient
07 078° 5,098 ft 75 ft ASP Yes 1.17%
25 258° 5,098 ft 75 ft ASP Yes 1.17%
16 168° 2,460 ft 100 ft GRS No 0.82%
34 348° 2,460 ft 100 ft GRS No 0.82%

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 1 frequencies

  • UNIC CTAF/UNICOM 122.800

Live ATC audio (streaming + archived): Open KRPX on LiveATC ↗

Chart Supplement remarks, plain English · cycle 22JAN2026 · 3 matched · 28 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.
  • ·Pilot-controlled lighting: click mic 7 times on the CTAF to activate LIRL Rwy 08–26. Lights stay on 15 minutes — click again to refresh.
  • ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

Watch for

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    wildlife hazard

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate LIRL Rwy 08–26. Lights stay on 15 minutes — click again to refresh.

    pcl ctaf

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    wildlife hazard

All translated remarks (3)

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    Raw FAA text · airport remarks · operational

    Wildlife on and invof arpt.

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate LIRL Rwy 08–26. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · service · operational

    ACTVT LIRL Rwy 08–26—CTAF

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    Raw FAA text · airport remarks · operational

    Birds invof rwy.

Not yet translated · raw FAA text (28 sentences)
  • ·MONTANA 139 ROUNDUP (RPX)(KRPX) 2 N UTC–7(–6DT) N46º28.50´ W108º32.61´ 3490 B NOTAM FILE GTF RWY 07–25: H5099X75 (ASPH) S–12.5 MIRL 0.7% up W RWY 07: PAPI(P2L)—GA 4.0º TCH 43´.
  • ·RWY 25: PAPI(P2L)—GA 3.0º TCH 42´.
  • ·RWY 16–34: 2460X100 (TURF) 0.8% up S
  • ·S4 FUEL 100LL, JET A1 LGT ACTIVATE MIRL Rwy 07–25; PAPI Rwy 07 and Rwy 25—122.7.
  • ·Credit card self svc fuel avbl 24 hrs.
  • ·Ultralights on and invof arpt.
  • ·Rgt tfc Rwy 25 from 0500–1400Z‡.
  • ·Rwy 16–34 marked with white cones full length, red cones mark thld.
  • ·AIRPORT MANAGER: 406-323-1564
  • ·CTAF/UNICOM 122.8 ®SALT LAKE CENTER APP/DEP CON 126.85 CLEARANCE DELIVERY PHONE: For CD ctc Billings Apch at 406-255-2798.
  • ·BILLINGS (VH) (H) VORTACW 114.5 BIL Chan 92 N45º48.51´ W108º37.48´ 351º 40.1 NM to fld. 3811/14E.
  • ·VOR unusable: 146º–154º byd 40 NM 155º–165º byd 40 NM blo 11,000´ 155º–165º byd 49 NM blo 18,000´ 166º–173º byd 40 NM RUBY VALLEY FLD (See TWIN BRIDGES on page 149) RUSSIAN FLAT (M42) 0 N UTC–7(–6DT) N46º43.46´ W110º25.07´ 6336 NOTAM FILE GTF RWY 07–25: 3000X65 (TURF) RWY 07: Trees.
  • ·Wildlife & livestock possible on ry.
  • ·Rwy 07–25 thld and 1/4 distances mkd with white turf rwy cones.
  • ·Recommended tkf Rwy 07, ldg Rwy 25.
  • ·Standing wtr, muddy conds aft hvy rains.
  • ·AIRPORT MANAGER: 406-566-4003
  • ·CTAF 122.9 CLEARANCE DELIVERY PHONE: For CD ctc Salt Lake ARTCC at 801-320-2568.
  • ·RYEGATE (8U0) 1 S UTC–7(–6DT) N46º17.43´ W109º14.86´ 3689 NOTAM FILE GTF RWY 07–25: 3440X100 (TURF)
  • ·Rwy 07–25 sfc cond rough.
  • ·Rwy 07–25 marked by white cones full len. 300+ ft hill 0.75 mi SE fm end of rwy.
  • ·AIRPORT MANAGER: 406-444-2506
  • ·CTAF 122.9 CLEARANCE DELIVERY PHONE: For CD ctc Salt Lake ARTCC at 801-320-2568.
  • ·ST IGNATIUS (52S) 1 NE UTC–7(–6DT) N47º19.50´ W114º04.85´ 3006 B NOTAM FILE GTF RWY 08–26: H2610X60 (ASPH) LIRL 1.4% up E RWY 08: Road.
  • ·Rwy 08–26 100 ft unlgtd; 2270 ft lgtd at ngt.
  • ·Rwy 26 18 ft bldg 200 ft fm rwy end 234 ft R of cntrln; 18 ft bldg 385 fm rwy end 141 ft L of cntrln.
  • ·AIRPORT MANAGER: (406) 544-8004
  • ·CTAF 122.9 CLEARANCE DELIVERY PHONE: For CD ctc Spokane Apch at 509-742-2522, when Apch clsd ctc Salt Lake ARTCC at 801-320-2568 ST LABRE MISSION (See ASHLAND on page 92) BILLINGS H–1E, L–13D IAP GREAT FALLS GREAT FALLS GREAT FALLS NW, 22 JAN 2026 to 19 MAR 2026

Field profile

Use

Public-use

Ownership

Public

Scheduled service

No

IATA · RPX

FAA Chart Supplement

NTSB events

5 NTSB-recorded events on file at this airport .

Total events

5

since 1982

Fatal

0

0.0% of total

Last 5 years

0

no recent events

Last 10 years

1

≈ 0.1/yr

Ranking across all airports · Open in accident map ↗

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 5,300 ops in 2012

2024 total

5,300

10-yr total

53,000

2024 mix

AC/AT 6% · GA 94% · Mil 0%

Events / million ops

18.9

last 10 years

Fatal / million ops

0.00

approximate · 10-yr scaled

Last 10 years · n=1

  • Controlled flight into terrain 1

All time · n=5

  • Loss of control 2
  • Other 2
  • Controlled flight into terrain 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2014-04-02 ROBERT A MILLER MURPHY REBEL ELITE · Loss of control · IMC · day →
2019-07-29 Cessna 150 · CFIT · dusk →
2000-03-22 Cessna 180K · Loss of control · VMC · day →
1988-02-10 Cessna 180 · Other · VMC · day →
1986-06-28 MATHEW M. KERR STARDUSTER TOO · Other · VMC · day →

Designees in MT

CFI Flight Instructors 508 A&P Mechanics 1,200 AME Medical Examiners (AME) 20 DME Mechanic Examiners (DME) 3 DPRE Parachute Rigger Examiners (DPRE) 5 DAR-F Manufacturing Airworthiness (DAR-F) 1 DAR-T Maintenance Airworthiness (DAR-T) 4 DER-Y Engineering — Company (DER-Y) 1 DER-T Engineering — Consultant (DER-T) 2 SAE Specialty Aircraft Examiners (SAE) 19 Schools Flight Schools 22 FBO Fixed Base Operators 44 Clubs Flying Clubs 11 Repair Repair / Maintenance Shops 6 EAA EAA Chapters 8

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Alejandro Anduze Billings MT 41 nm
Gregory Bettis Billings MT 41 nm
Jerry Kelvin Lay Billings MT 41 nm
Christopher Lee Farmer Laurel MT 49 nm
Kent William Potter Laurel MT 49 nm
Daniel Scott Langford Lewistown MT 51 nm
Gregory Bruce Mecklenburg Bozeman MT 115 nm
Jeffrey Cook Bozeman MT 115 nm
Peta Sarah Sheridan Bozeman MT 115 nm
Benjamin James Atnip Cody WY 119 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Kelly Neil Gebhardt Roundup MT 2 nm
Joshua Wesley Garner Roundup MT 2 nm
Cameron Dion Wollman Roundup MT 2 nm
Kenith David Wipf Lavina MT 20 nm
Ryan Mcgraw Broadview MT 27 nm
Tyler Dustin Lotspeich Broadview MT 27 nm
Wayne Eugene Cavill Ryegate MT 31 nm
Paul James Ruechel Shepherd MT 33 nm
Chad Albert Kale Shepherd MT 33 nm
Andrea Jade Mccaffree Shepherd MT 33 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Kelly Neil Gebhardt Roundup MT 2 nm
William Phillip Koss Roundup MT 2 nm
Tony Joseph Racki Roundup MT 2 nm
Shawn M Youngblood Roundup MT 2 nm
James Dwayne Harper Roundup MT 2 nm
Jon Jason Funk Roundup MT 2 nm
Chad Albert Kale Shepherd MT 33 nm
Joseph Edward Ashment Shepherd MT 33 nm
Christopher Jackson Soto Shepherd MT 33 nm
Kevin Michael Mullin Shepherd MT 33 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
Pristine Jets
Belgrade, MT
 116 nm
Million Air Bozeman
Belgrade, MT
 116 nm
Dustin's Aircraft Maintenance and Upholstery
Great Falls, MT
 130 nm
JL Aerospace
Three Forks, MT
 131 nm
Montana Aviation Maintenance, LLC
Cut Bank, MT
 201 nm
Pristine Jets
Missoula, MT
 231 nm
Atlas Aero Service
Casper, WY
 232 nm
Natrona Avionics, LLC
Casper, WY
 232 nm
Rapid Avionics, Inc.
Rapid City, SD
 274 nm
Advanced Avionics Solutions, LLC
Hayden, ID
 347 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.