| Sidney-Richland Regional Airport KSDY SDY (Sidney, MT) Class G: untowered Elevation: 1985
Chart Supplement (pdf version) SIDNEY–RICHLAND RGNL (SDY)(KSDY)
1 W UTC–7(–6DT) N47º42.41´ W104º11.55´ 1985 B Class III, ARFF Index A NOTAM FILE SDY
RWY 01–19: H5705X100 (Grooved Asphalt) S–46, D–62, 2D–108 PCR 180 F/D/Y/T MIRL RWY 11–29: H4024X100 (Grooved Asphalt) S–54, D–70, 2D–119 PCR 211 F/D/Y/T MIRL 0.4% up NW RUNWAY DECLARED DISTANCE INFORMATION
SERVICE: S4 FUEL 100LL, JET A OXYGEN 3
LIGHTING ACTIVATE MIRL Runway
01–19 and Runway 11–29, Runway End Identifier Lights Runway 01, Runway 11, Runway 19 and Runway 29
and PAPI Runway 01, Runway 11, Runway 19, and Runway 29—CTAF.
AIRPORT REMARKS: Attended 1300–0200Z‡. On call 24 hours a day. For airport condition, contact airport management 406–480–1820. Surface condition unmonitored 0400–1300Z‡. Flocks of water fowl in the vicinity of airport. AIRPORT MANAGER: (406) 480-1820 WEATHER DATA SOURCES: AWOS–3PT 119.275 (406) 482–7323. COMMUNICATIONS: CTAF/UNICOM 122.8 RCO 122.3 (GREAT FALLS RADIO)
®SALT LAKE CENTER APPROACH/DEPARTURE CONTROL 126.85 CLEARANCE DELIVERY PHONE: For clearance delivery if unable to contact on FSS frequency, contact 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´
201º 37.3 NM to field.
2365/8E.
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Database updated: 2026/03/19