NW 137 · Northwest

2400X60 (TURF) 0.9% up E

Road.

Attended dalgt hrs. No snow plowing in winter. Animals on and invof rwy. Rwy 10–28 may be soft when wet. Rwy 10–28 rough and uneven mowing intmt. No ldg on twy connected to Rwy 28.

406-853-0561

For CD ctc Salt Lake ARTCC at 801-320-2568. SCHAFER (USFS) (8U2) 15 SE UTC–7(–6DT) N48º04.78´ W113º14.70´ 4856 NOTAM FILE GTF

3200X60 (TURF)

Trees.

Trees.

Unattended. Summer phone 406–752–7345. Watch for horses or big game animals on rwy. Low area north side of rwy approximately 1100´ from AER 25, use caution. Trees and terrain in transition sfc both sides of rwy full length. Primary purpose of air station is a trailhead for wilderness areas. Rwy 07 first 800 ft umarked exc thr. Rwy 25 rwy cone width may vary. First 2400´ marked with white cones 200´ apart. First 400´ of Rwy 25 is uneven, bouncy and rough. Tkf and land Rwy 25 conditions permitting.

406-481-0826

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

H4020X75 (ASPH) S–11 MIRL 1.1% up SE

PAPI(P2L)—GA 3.0º TCH 25´.

PAPI(P2L)—GA 3.0º TCH 22´.

S4 FUEL 100LL, JET A LGT MIRL Rwy 12–30, PAPI Rwy 12 and Rwy 30 opr dusk–0600Z‡, after 0600Z‡ ACTIVATE—CTAF.

Attended Mon–Fri 1500–0000Z‡. Deer on and invof arpt.

406-783-7093

AWOS–3PT 128.325 (406) 487–9996.

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

NOTAM FILE GGW. GLASGOW (VH) (DH) VORW/DME 113.9 GGW Chan 86 N48º12.92´ W106º37.53´ 039º 59.2 NM to fld. 2283/14E. VOR unusable: 001º–005º byd 50 NM 010º–025º byd 40 NM 030º–045º byd 63 NM blo 9,300´ 050º–055º byd 55 NM 060º–080º byd 55 NM 335º–345º byd 50 NM 346º–355º byd 40 NM DME unusable: 001º–005º byd 50 NM 050º–055º byd 55 NM 060º–080º byd 55 NM 335º–345º byd 50NM – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

3330X75 (TURF) 1.7% up E

Pole.

Unattended. May have livestock on and invof arpt. No snow removal. Rwy 07–25 soft when wet. Rwy 07–25 marked with cones full length. Rwy 07–25 sfc rolling with gopher holes.

406-444-2506

For CD ctc Salt Lake ARTCC at 801-320-2568. BILLINGS GREAT FALLS BILLINGS L–13E IAP BILLINGS NW, 3 SEP 2026 to 29 OCT 2026