Reference only — not for real-world navigation.
KTWF
Joslin Field Magic Valley Regional Airport · Twin Falls
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
4,154 ft / 1,266 m
Transition Altitude
18,000 ft
Primary Channel
TWR 118.20 MHz (TWIN FALLS TWR)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Joslin Field Magic Valley Regional Airport (KTWF), located in Twin Falls, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 4,154 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Joslin Field Magic Valley Regional Airport
ICAO / IATA
KTWF / TWF
Municipality
Twin Falls
Country
Region
US-ID — Idaho
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
4,154 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 8 / 26
ILS EQUIPPEDLIGHTED
Runway Length: 8,703 ft / 2,653 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 91° / 271°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 91° / 271°
RWY 8 (91°)
No ILS / Visual Only
RWY 26 (271°)
108.30 MHz
IDENT: TWF | CRS: 258°
Runway 12 / 30
UNLIT
Runway Length: 3,224 ft / 983 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 136° / 316°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 136° / 316°
RWY 12 (136°)
No ILS / Visual Only
RWY 30 (316°)
No ILS / Visual Only
A/D TWIN FALLS APP/DEP
126.70 MHz
ASOS ASOS
135.03 MHz
CTAF CTAF
118.20 MHz
GND TWIN FALLS GND
121.70 MHz
RDO BOISE RDO
122.25 MHz
TWR TWIN FALLS TWR
118.20 MHz
UNIC UNICOM
122.95 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026