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Joslin Field/Magic Valley Regional Airport
KTWF TWF (Twin Falls, ID)
Class D: tower-approach ranked #487 with 22,461 operations
Class D service 0600-2100; Other times Class E
Elevation: 4153


RwySizeTypeCond.
08/268704x150AsphaltGood
12/303224x75AsphaltFair


Chart Supplement (pdf version)

JOSLIN FLD/MAGIC VALLEY RGNL (TWF)(KTWF) 4 S UTC–7(–6DT) N42º28.91´ W114º29.26´
4153 B Class I, ARFF Index B NOTAM FILE TWF MON Airport
RWY 08–26: H8704X150 (Asphalt-Porous friction courses) S–75, D–200, 2S–175, 2D–250 PCR 1020 F/B/X/T HIRL
RWY 08: Runway End Identifier Lights. VASI(V4L)—GA 3.0º TCH 49´.
RWY 26: MALSR. PAPI(P4L)—GA 3.0º TCH 55´.

RWY 12–30: H3224X75 (Asphalt) S–19 PCR 157 F/B/X/T 1.3% up SE

RWY 12: Trees.
LAND AND HOLD–SHORT OPERATIONS
LANDING RWY RWY 08 RWY 12 RWY 26 HOLD–SHORT POINT 12–30 08–26 12–30 AVAILABLE LANDING DISTANCE 4500 2750 3600
SERVICE: S4 FUEL 100LL, JET A1+ OXYGEN 1, 3 LIGHTING When tower closed ACTIVATE MALSR Runway 26, Runway End Identifier Lights Runway 08, HIRL Runway 08–26—CTAF.
AIRPORT REMARKS: Attended 1330–0300Z‡. Parachute Jumping. 100LL: Service fee between 0300–1330Z‡; information 208–733–5920 or 539–4034. Line of sight between Runway 26 approach end Not Authorized. Prior Permission Required unscheduled air carrier operations greater than 30 passenger seats –airport manager. Runway 12–30 non air carrier movement area. Taxiway G, H, J and K non air carrier movement area. Landing fee for FAR Part 121, 135 operating & GA Part 91 greater than 12,500 lb mglw.
AIRPORT MANAGER: 208-733-5215
WEATHER DATA SOURCES: ASOS 135.025 (208) 733–1878. Supplement Aviation Weather Reporting Station/Weather Service Office/Agriculture.
COMMUNICATIONS: CTAF 118.2 UNICOM 122.95 TWIN FALLS RCO 122.3 (BOISE RADIO) TWIN FALLS APPROACH/DEPARTURE CONTROL 126.7 (1300–0400Z‡)
®
SALT LAKE CENTER APPROACH/DEPARTURE CONTROL 118.05 (0400–1300Z‡)
TWIN FALLS TOWER 118.2 (1300–0400Z‡) GROUND CON 121.7 CLEARANCE DELIVERY 123.65
CLEARANCE DELIVERY PHONE: For clearance delivery if unable to contact on FSS frequency, contact Salt Lake ARTCC at 801-320-2568.

AIRSPACE: CLASS D service 1300–0400Z‡; other times CLASS E.
RADIO AIDS TO NAVIGATION: NOTAM FILE TWF.
TWIN FALLS (VL) (H) VORTACW 113.1 VOR unusable: TWF Chan. 78 N42º28.79´ W114º29.37´ at field. 4149/18E.
000º–010º beyond 40 NM below 7,000´
000º–010º beyond 50 NM

011º–015º beyond 40 NM

040º–091º beyond 40 NM
092º–102º beyond 40 NM below 16,500´
092º–102º beyond 77 NM
103º–106º beyond 40 NM
107º–117º beyond 40 NM below 14,000´
107º–117º beyond 64 NM below 22,000´
118º–171º beyond 40 NM
120º–160º beyond 35 NM below 12,000´
172º–182º beyond 40 NM below 13,000´
172º–182º beyond 55 NM
183º–185º beyond 40 NM
186º–196º beyond 40 NM below 10,600´
186º–196º beyond 57 NM
197º–230º beyond 40 NM TACAN AZIMUTH unusable:
120º–160º beyond 35 NM below 12,000´ DME unusable:
120º–160º beyond 35 NM below 12,000´
STRIK NDB (LOM) 389 TW N42º28.72´ W114º21.26´ 259º 5.9 NM to field.
ILS 108.3 I–TWF Runway 26. Class IE. LOM STRIK NDB. Unmonitored when Air traffic control tower closed.

COMM/NAV/WEATHER REMARKS: Frequency 121.5 not available at tower.



ApproachTypeCat B MinsPlate
RNAV (GPS) RWY 26LPV
LNAV/VNAV
LNAV
CIRCLING
4354-½
4533-¾
4680-½
4780-1
chart
RNAV (GPS) RWY 08LPV
LNAV/VNAV
LNAV
CIRCLING
4349-¾
4583-1¼
4560-1
4780-1
chart
ILS OR LOC RWY 26 ARCS-ILS 26
S-LOC 26
CIRCLING
4353-½
4480-½
4780-1
chart
VOR RWY 26CIRCLING
S-26
5000-1¼
5000-¾
chart
VOR/DME RWY 08 ARCCIRCLING
S-8
4780-1
4560-1
chart
VOR RWY 08CIRCLING
S-8
5060-1¼
5060-1¼
chart



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Database updated: 2026/03/19

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