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Johnson County Airport
KBYG BYG (Buffalo, WY)
Class G: untowered

Elevation: 4970


RwySizeTypeCond.
13/316143x75AsphaltGood


Chart Supplement (pdf version)

JOHNSON CO (BYG)(KBYG) 3 NW UTC–7(–6DT) N44º22.87´ W106º43.31´
4970 B NOTAM FILE BYG
RWY 13–31: H6143X75 (Asphalt) S–12.5 Pavement Classification Number 24 F/D/X/T MIRL 1.1% up NW
RWY 13: PAPI(P4L)—GA 3.0º TCH 51´.
RWY 31: Runway End Identifier Lights. PAPI(P4L)—GA 3.0º TCH 42´.
SERVICE: S4 FUEL 100LL, JET A LIGHTING ACTIVATE MIRL Runway 13–31 and PAPI Runways 13 and 31 and Runway End Identifier Lights Runway 31—122.8.

AIRPORT REMARKS: Attended Monday–Friday 1500–0000Z‡, Saturday 1500–1900Z‡. For service after hours call 307–217–2060 or 210–287–1548. 100LL available 24 Hour hour via self service credit card. For Jet A after hours phone 307–217–2060 or 210–287–1548. Deer on and in the vicinity of airport. Terrain drops off both sides of Runway 13–31. Runway 31 +250´ drop 170´ left first 417´.

AIRPORT MANAGER: 307-684-9672
WEATHER DATA SOURCES: ASOS 135.425 (307) 684–2558.
COMMUNICATIONS: CTAF/UNICOM 122.8
CRAZY WOMAN RCO 122.2 (CASPER RADIO)
®
SALT LAKE CENTER APPROACH/DEPARTURE CONTROL 127.75 CLEARANCE DELIVERY PHONE: For clearance delivery contact Salt Lake ARTCC at 801-320-2568.
RADIO AIDS TO NAVIGATION: NOTAM FILE CPR. CRAZY WOMAN (VH) (DH) VORW/DME 117.3 N43º59.98´ W106º26.14´ CZI Chan. 120 319º 26.0 NM to field. 4800/13E. VOR unusable:
225º–230º beyond 40 NM
231º–241º beyond 40 NM below 18,000´
242º–254º beyond 40 NM
255º–265º beyond 40 NM below 25,000´
266º–300º beyond 40 NM



ApproachTypeCat B MinsPlate
RNAV (GPS) RWY 31LPV
LNAV/VNAV
LNAV
C CIRCLING
5190-¾
5275-1⅛
5320-1
5440-1
chart
VOR/DME RWY 31C CIRCLING
S-31
5680-1¼
5680-1¼
chart



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Database updated: 2026/03/19

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