NW 131 · Northwest

Cycle 03SEP2026 · 0 airports · 331 words · FAA Chart Supplement, verbatim

MONTANA 131

MULLAN PASS MLP N47º27.42´ W115º38.77´/6028 ASOS 135.475 (208) 744–1721 MULLAN PASS N47º27.41´ W115º38.76´ NOTAM FILE MLP. (VH) (DH) VORW/DME 117.8 MLP Chan 125 352º 50.0 NM to Libby. 6100/15E. VOR unusable: 003º–006º byd 40 NM 014º–020º byd 40 NM 021º–031º byd 40 NM blo 18,000´ 055º–071º byd 40 NM blo 12,000´ 055º–071º byd 69 NM 060º–090º byd 20 NM blo 9,500´ 115º–123º byd 40 NM 137º–139º byd 40 NM 206º–215º byd 40 NM 220º–247º byd 40 NM 286º–295º byd 40 NM blo 12,000´ 296º–349º byd 40 NM RCO 122.4 (BOISE RADIO)

OPHEIM (S00)

0 W UTC–7(–6DT) N48º52.00´ W106º25.04´ 3264 B NOTAM FILE GTF

RWY 16–34:

2675X150 (TURF)

RWY 04–22:

1555X100 (TURF)

RWY 22:

Road.

RWY 10–28:

1200X100 (TURF)

RWY 28:

Road.

AIRPORT REMARKS:

Unattended. No snow removal. Rwy 04–22, Rwy 10–28, Rwy 16–34 marked with red/white panels full length. Rwy 16–34, all rwy rough. Rwy 22 + 2 ft berm, 5 ft from rwy end. Rwy 22 has fence parl Rwy–10L first 372 ft of rwy. Rwy 28 has 40 ft powerline 500 ft from end of rwy.

AIRPORT MANAGER:

(406) 724-7090

COMMUNICATIONS:

CTAF 122.9

CLEARANCE DELIVERY PHONE:

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

PHILIPSBURG RIDDICK FLD (U05)

1 SE UTC–7(–6DT) N46º19.04´ W113º18.31´ 5219 B NOTAM FILE GTF

RWY 16–34:

H3599X60 (ASPH) S–7 MIRL

RWY 16:

Rgt tfc.

RWY 34:

Hill.

SERVICE:

LGT ACTIVATE MIRL Rwy 16–34—CTAF. Beacon U/S.

AIRPORT REMARKS:

Unattended. Rwy 16–34 pavement is spalling, major crack propagation throughout. Multiple edge fractures. Rwy 16 markings faded. Rwy 34 markings faded. Sn removal intmt.

AIRPORT MANAGER:

406-303-1230

COMMUNICATIONS:

CTAF 122.9

CLEARANCE DELIVERY PHONE:

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

RADIO AIDS TO NAVIGATION:

NOTAM FILE SMN. SALMON (VH) (DH) VORW/DME 113.5 LKT Chan 82 N45º01.28´ W114º05.05´ 010º 84.4 NM to fld. 9260/13E. VOR unusable: 127º–135º byd 40 NM 136º–146º byd 40 NM blo 14,000´ GREAT FALLS H–1D, L–13B GREAT FALLS H–1D, L–13B BILLINGS GREAT FALLS L–13C NW, 3 SEP 2026 to 29 OCT 2026