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KBYG · Johnson County Airport

ICAO · US · 6 NTSB events

ID KBYG FAA BYG Elev 4,968 ft Lat 44° 22.87' N Lon 106° 43.32' 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

2 runway ends on file. Longest: 6,143 ft. Max gradient: 1.06% (noticeable slope — affects performance)

Designator Heading Length Width Surface Lighting Gradient
13 138° 6,143 ft 75 ft ASP Yes 1.06%
31 318° 6,143 ft 75 ft ASP Yes 1.06%

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 · 3 frequencies

  • ASOS ASOS 135.425
  • RDO CASPER RDO 122.025
  • UNIC CTAF/UNICOM 122.800

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

Chart Supplement remarks, plain English · cycle 22JAN2026 · 3 matched · 41 not yet translated

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

TL;DR

  • ·Pilot-controlled lighting on 122.8: click mic to activate MIRL Rwy 13–31 and PAPI Rwys 13 and 31 and REIL Rwy 31. 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.
  • ·Pilot-controlled lighting: click mic 7 times on the CTAF to activate MALSR Rwy 03 and 08; REIL Rwy 21; PAPI Rwy 03 and 26; HIRL Rwy 03–21 and Rwy 08–26; twy lgts. Lights stay on 15 minutes — click again to refresh.

Watch for

  • Pilot-controlled lighting on 122.8: click mic to activate MIRL Rwy 13–31 and PAPI Rwys 13 and 31 and REIL Rwy 31. Lights stay on 15 minutes — click again to refresh.

    pcl freq

  • 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 MALSR Rwy 03 and 08; REIL Rwy 21; PAPI Rwy 03 and 26; HIRL Rwy 03–21 and Rwy 08–26; twy lgts. Lights stay on 15 minutes — click again to refresh.

    pcl ctaf

All translated remarks (3)

  • Pilot-controlled lighting on 122.8: click mic to activate MIRL Rwy 13–31 and PAPI Rwys 13 and 31 and REIL Rwy 31. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · service · operational

    Actvt MIRL Rwy 13–31 and PAPI Rwys 13 and 31 and REIL Rwy 31—122.8

  • 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

    Deer on and invof arpt.

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MALSR Rwy 03 and 08; REIL Rwy 21; PAPI Rwy 03 and 26; HIRL Rwy 03–21 and Rwy 08–26; twy lgts. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · service · operational

    ACTVT MALSR Rwy 03 and 08; REIL Rwy 21; PAPI Rwy 03 and 26; HIRL Rwy 03–21 and Rwy 08–26; twy lgts—CTAF

Not yet translated · raw FAA text (41 sentences)
  • ·294 WYOMING BUFFALO JOHNSON CO (BYG)(KBYG) 3 NW UTC–7(–6DT) N44º22.87´ W106º43.31´ 4970 B NOTAM FILE BYG RWY 13–31: H6143X75 (ASPH) S–12.5 PCN 24 F/D/X/T MIRL 1.1% up NW RWY 13: PAPI(P4L)—GA 3.0º TCH 51´.
  • ·PAPI(P4L)—GA 3.0º TCH 42´.
  • ·Attended Mon–Fri 1500–0000Z‡, Sat 1500–1900Z‡.
  • ·For svc after hrs call 307–217–2060 or 210–287–1548. 100LL avbl H24 hr via self svc credit card.
  • ·For Jet A after hrs phone 307–217–2060 or 210–287–1548.
  • ·Terrain drops off both sides of Rwy 13–31.
  • ·Rwy 31 +250´ drop 170´ left first 417´.
  • ·AIRPORT MANAGER: 307-684-9672
  • ·ASOS 135.425 (307) 684–2558.
  • ·CTAF/UNICOM 122.8 CRAZY WOMAN RCO 122.2 (CASPER RADIO) ®SALT LAKE CENTER APP/DEP CON 127.75 CLEARANCE DELIVERY PHONE: For CD ctc Salt Lake ARTCC at 801-320-2568.
  • ·CRAZY WOMAN (VH) (DH) VORW/DME 117.3 CZI Chan 120 N43º59.98´ W106º26.14´ 319º 26.0 NM to fld. 4800/13E.
  • ·VOR unusable: 225º–230º byd 40 NM 231º–241º byd 40 NM blo 18,000´ 242º–254º byd 40 NM 255º–265º byd 40 NM blo 25,000´ 266º–300º byd 40 NM CAMP GUERNSEY (See GUERNSEY on page 305) CASPER CASPER/NATRONA CO INTL (CPR)(KCPR) 7 NW UTC–7(–6DT) N42º54.35´ W106º27.82´ 5344 B LRA Class I, ARFF Index B NOTAM FILE CPR RWY 03–21: H10165X150 (ASPH–GRVD) S–120, D–250, 2D–550, 2D/2D2–1120 PCR 1190 F/C/X/T HIRL RWY 03: MALSR.
  • ·PAPI(P4R)—GA 3.0º TCH 50´.
  • ·VASI(V4L)—GA 3.0º TCH 56´.
  • ·RVR–R RWY 08–26: H8679X150 (ASPH–GRVD) S–120, D–250, 2D–416, 2D/2D2–946 PCR 1000 F/D/X/T HIRL RWY 08: MALSR.
  • ·PAPI(P4R)—GA 3.0º TCH 52´.
  • ·PAPI(P4R)—GA 3.0º TCH 50´.
  • ·RWY 03: TORA–10165 TODA–10165 ASDA–10165 LDA–10165 RWY 08: TORA–8679 TODA–8679 ASDA–8679 LDA–8679 RWY 21: TORA–10165 TODA–10165 ASDA–10165 LDA–10165 RWY 26: TORA–8679 TODA–8679 ASDA–8679 LDA–8679
  • ·S4 FUEL 100LL, JET A OX 1, 2, 3, 4 LGT ATC–CTL.
  • ·Emerg pwr avbl Rwy 08–26 and 03–21.
  • ·Rwy 08–26 and 03–21 have lgtd dist rmng signs.
  • ·Rwys clsd to FSL, TGL, and PLA aircraft more than 250,000 lbs except for 4 hrs PPR 307–995–3949. 225 ft crane 1 NM northeast of arpt.
  • ·Flight Notification Service (ADCUS) available.
  • ·AIRPORT MANAGER: 307-472-6688
  • ·ASOS (307) 452–0316 LAWRS 1200–0400Z‡.
  • ·CTAF 118.3 ATIS 126.15 UNICOM 122.95 RCO 122.6 (CASPER RADIO) ®APP/DEP CON 120.65 (1200–0400Z‡) ®DENVER CENTER APP/DEP CON 135.6 (0400–1200Z‡) TOWER 118.3 (1200–0400Z‡) GND CON 121.9 CLNC DEL 121.9 CLEARANCE DELIVERY PHONE: For CD ctc Casper Apch at 307-472-8940, when Apch clsd ctc Denver ARTCC at 303-651-4257.
  • ·CONTINUED ON NEXT PAGE CHEYENNE H–1E, 2G, L–13D IAP CHEYENNE H–3F, 5A, L–11E, 12F IAP, AD NW, 22 JAN 2026 to 19 MAR 2026 WYOMING 295 CONTINUED FROM PRECEDING PAGE
  • ·CLASS D svc 1200–0400Z‡; other times CLASS E.
  • ·MUDDY MOUNTAIN (VH) (DH) VORW/DME 116.2 DDY Chan 109 N43º05.45´ W106º16.62´ 205º 13.8 NM to fld. 5863/12E.
  • ·VOR unusable: 132º–142º byd 40 NM blo 18,000´ 143º–153º byd 40 NM 154º–164º byd 40 NM blo 10,800´ 154º–164º byd 81 NM 165º–180º byd 40 NM ILS 111.3 I–SYD Rwy 03.

+ 11 more sentences · see Chart Supplement page below for the full text

Field profile

Use

Public-use

Ownership

Public

Scheduled service

No

IATA · BYG

FAA Chart Supplement

NTSB events

6 NTSB-recorded events on file at this airport .

Total events

6

since 1982

Fatal

1

16.7% of total

Last 5 years

2

≈ 0.4/yr

Last 10 years

2

≈ 0.2/yr

Ranking across all airports · Open in accident map ↗

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 12,650 ops in 2008

2024 total

5,193

10-yr total

52,512

2024 mix

AC/AT 2% · GA 98% · Mil 0%

Events / million ops

38.1

last 10 years

Fatal / million ops

6.35

approximate · 10-yr scaled

Last 10 years · n=2

  • Loss of control 2

All time · n=6

  • Other 3
  • Loss of control 2
  • Weather · wind / icing / convective 1

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

Date Aircraft · Classification · Wx Sev
2008-06-24 Schweizer 269C · Other · VMC · day →
2022-02-27 Piper PA-22-150 · Loss of control · VMC · night →
2021-05-06 Cessna 180J · Loss of control · VMC · day →
1986-06-27 Martin Company 404 · Other · VMC · dawn →
1983-05-15 Stinson 108-3 · Weather · VMC · day →
1983-02-26 Cessna 170B · Other · VMC · day →

Designees in WY

CFI Flight Instructors 215 A&P Mechanics 500 AME Medical Examiners (AME) 13 DAR-F Manufacturing Airworthiness (DAR-F) 1 DAR-T Maintenance Airworthiness (DAR-T) 1 DER-Y Engineering — Company (DER-Y) 1 DER-T Engineering — Consultant (DER-T) 1 SAE Specialty Aircraft Examiners (SAE) 5 Schools Flight Schools 12 FBO Fixed Base Operators 33 Clubs Flying Clubs 5 Repair Repair / Maintenance Shops 2 EAA EAA Chapters 4

DPEs nearby

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

Designee City ST Distance
Dennis Wayne Keesling Sheridan WY 27 nm
Glenn Walter Smith Sheridan WY 27 nm
Lanny Dewitt Guyton Sheridan WY 27 nm
Brian Nicholas Parke Casper WY 94 nm
Benjamin James Atnip Cody WY 100 nm
Alejandro Anduze Billings MT 115 nm
Gregory Bettis Billings MT 115 nm
Jerry Kelvin Lay Billings MT 115 nm
Christopher Lee Farmer Laurel MT 117 nm
Kent William Potter Laurel MT 117 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
Joseph William Casey Buffalo WY 3 nm
Mark Duane Urruty Buffalo WY 3 nm
Scott Edward Corlett Banner WY 13 nm
Donald James Parrott Sheridan WY 27 nm
William Dee Patton Sheridan WY 27 nm
Robert John Schoenbaum Sheridan WY 27 nm
Troy Franklin Tyree Sheridan WY 27 nm
Christopher Claude Brown Sheridan WY 27 nm
Lisa Deanne Martin-Smith Sheridan WY 27 nm
Conlin Peterson Parrott Sheridan WY 27 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
Ross Truman Guthery Buffalo WY 3 nm
Delbert White Jenkins Iii Buffalo WY 3 nm
Jimmie Leroy Mclaughlin Buffalo WY 3 nm
John Robert Moore Buffalo WY 3 nm
Samuel Michael Vennie Buffalo WY 3 nm
Michael Edward Andreasen Buffalo WY 3 nm
Matthew Blaine Wright Buffalo WY 3 nm
Jurgen Hakert Buffalo WY 3 nm
Nathan Ryan Gilbert Buffalo WY 3 nm
Gary Shane Ramey Buffalo WY 3 nm

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

Repair stations nearby

By airport location.

Shop Distance
Atlas Aero Service
Casper, WY
 89 nm
Natrona Avionics, LLC
Casper, WY
 90 nm
Rapid Avionics, Inc.
Rapid City, SD
 159 nm
Million Air Bozeman
Belgrade, MT
 206 nm
Pristine Jets
Belgrade, MT
 206 nm
JL Aerospace
Three Forks, MT
 224 nm
Mountain Aircraft Maintenance, Inc.
Steamboat Springs, CO
 232 nm
Avionics Specialists, LLC.
Loveland, CO
 248 nm
Advanced AeroTechnologies Group
Greeley, CO
 254 nm
Dustin's Aircraft Maintenance and Upholstery
Great Falls, MT
 271 nm

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