NW 103 · Northwest

Cycle 03SEP2026 · 1 airport · 382 words · FAA Chart Supplement, verbatim

Airports on this page: CTB/KCTB

MONTANA 103

COW CREEK (See WINIFRED on page 149)

CULBERTSON BIG SKY FLD (S85)

1 NE UTC–7(–6DT) N48º09.21´ W104º30.24´ 1953 B NOTAM FILE GTF

RWY 08–26:

H3800X60 (ASPH) S–12.5 MIRL 0.5% up W

RWY 26:

PAPI(P2L)—GA 3.0º TCH 27´.

SERVICE:

FUEL 100LL LGT ACTIVATE MIRL Rwy 08–26 and PAPI Rwy 26—CTAF.

AIRPORT REMARKS:

Unattended. On call all hrs 406–787–6680/0660. Fuel, self service credit card 24/7. 2,876 ft twrs 3.5 mi NW.

AIRPORT MANAGER:

406-787-5271

WEATHER DATA SOURCES:

AWOS–3 120.000 (406) 787–5819.

COMMUNICATIONS:

CTAF/

UNICOM 122.8

CLEARANCE DELIVERY PHONE:

For CD ctc Salt Lake ARTCC at 801-320-2568.

RADIO AIDS TO NAVIGATION:

NOTAM FILE ISN. WILLISTON (VL) (DH) VORW/DME 116.3 ISN Chan 110 N48º15.20´ W103º45.04´ 251º 30.8 NM to fld. 2365/8E.

CUT BANK INTL (CTB)(KCTB)

3 SW UTC–7(–6DT) N48º36.50´ W112º22.57´ 3858 B AOE NOTAM FILE CTB MON Airport

RWY 05–23:

H5300X75 (ASPH) S–27.5, D–37.5 PCN 10 F/D/Y/U MIRL 0.3% up SW

RWY 23:

PAPI(P2L)—GA 3.0º TCH 39´.

RWY 14–32:

H5300X75 (ASPH) S–27.5, D–37.5 PCN 10 F/D/Y/U MIRL 0.3% up NW

RWY 32:

REIL. VASI(V4L)—GA 3.0º TCH 42´.

SERVICE:

FUEL 100LL, JET A, A+ LGT ACTVT MIRL Rwy 05–23 and Rwy 14–32; REIL Rwy 32—CTAF. PAPI Rwy 23; VASI Rwy 32 opr consly.

AIRPORT REMARKS:

Attended 1530–0030Z‡. For fuel aft hrs call 406–873–8683 or 406–849–4245 cell. 24 hr cstms avbl on call–out 406–335–9610 ext 314. Cold temperature airport. Altitude correction required at or below –28C. Flight Notification Service (ADCUS) avbl.

AIRPORT MANAGER:

406-873-8683

WEATHER DATA SOURCES:

ASOS 119.025 (406) 873–2939. Opr full–time 0700–0659Z‡.

COMMUNICATIONS:

CTAF/

UNICOM 123.0

RCO 122.2 (GREAT FALLS RADIO) ®SALT

LAKE CENTER APP/DEP CON 133.4

CLEARANCE DELIVERY PHONE:

For CD if una to ctc on FSS freq, ctc Salt Lake ARTCC at 801-320-2568.

AIRSPACE:

CLASS E.

RADIO AIDS TO NAVIGATION:

NOTAM FILE CTB. (VL) (DH) VORW/DME 113.35 CTB Chan 80(Y) N48º33.90´ W112º20.60´ 316º 2.9 NM to fld. 3791/17E. VOR unusable: 049º–053º byd 40 NM 061º–073º byd 40 NM 079º–090º byd 40 NM 125º–130º byd 40 NM 143º–149º byd 40 NM 167º–177º byd 40 NM blo 9,000´ 167º–177º byd 54 NM 178º–190º byd 40 NM 191º–201º byd 40 NM blo 12,000´ 191º–201º byd 53 NM 202º–260º byd 40 NM 271º–282º byd 40 NM DAWSON COMMUNITY (See GLENDIVE on page 113) BILLINGS L–13E GREAT FALLS H–1D, L–13C IAP NW, 3 SEP 2026 to 29 OCT 2026