Sidney-Richland Regional
SDY · KSDY · Sidney, MT · Non-towered · Print kneeboard · Open on the map
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:34 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:07 AM | 12:07Z |
| Sunrise | 06:38 AM | 12:38Z |
| Sunset | 07:03 PM | 01:03Z |
| Evening civil twilight Loggable night begins | 07:34 PM | 01:34Z |
Plan a flight from KSDY
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: KSDY METAR decoded · KSDY TAF decoded
Advisories
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Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 11RIGHT trafficRP · charted
- Heading
- 108° mag · 117° true
- Dimensions
- 4,024 × 100 ft
- TPA
- 3,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 2-light PAPI (left) (3°)
- CTAF
- 122.8
Enter the right downwind (heading 288°) on the 45° at 3,000 ft MSL (≈1,000 AGL).
More details — RWY 11
- Threshold elev
- 1,981 ft
- Markings
- basic
- Approach obstacle
- Road, 14 ft, 489 ft from threshold — 20:1 slope to clear
- Threshold crossing height
- 40 ft
- TDZ elevation
- 1,981 ft
- Declared TORA/TODA/ASDA/LDA
- 4,023 / 4,023 / 4,023 / 4,023 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 5,705 ft | |
| 11/29 | 4,024 ft |
Prefer one flat page? Full runway details for KSDY → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KSDY kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 305.2 | WATFORD CITY RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
ISN 116.30
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ISN · Williston | VOR/DME | 116.30 · 110X | Low | r201° / 37.4 NM |
Prefer one flat list? All KSDY frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KSDY, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KSDY / SDY
- Coordinates
- 47.7069, -104.1925
- Elevation
- 1,985 ft MSL
- Magnetic variation
- 9E
- Sectional chart
- BILLINGS
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3PT · 119.275 · ☎ 406-482-7323
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- NOTAM facility
- SDY
- Attendance
- ALL 0600-1900
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- III A
- Activated
- 1951/01
- Distance from city
- 1 W
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RYS 01/19 & 11/29; REIL RYS 01 & 19, 11 & 29; PAPI RYS 01 & 19, 11 & 29 - CTAF. on 122.8 — Chart Supplement ↗
Runway lighting aids — 01: 2-light PAPI (left) · 19: 2-light PAPI (left) · 11: 2-light PAPI (left) · 29: 2-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- HIGH
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Agricultural, Cargo, Charter, Instruction, Rental, Aircraft sales
Ownership & management 2 contacts
Remarks FAA · 8 notes
General
- FOR ARPT CONDITIONS, CTC ARPT MGT - 406-480-1820. SFC CONDITIONS UNMONITORED 0400-1300Z++
- FLOCKS OF WATER FOWL IN VICINITY OF ARPT.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
Runways
- PCR VALUE: 180/F/D/Y/T
- PCR VALUE: 211/F/D/Y/T
Lighting
- ACTVT MIRL RYS 01/19 & 11/29; REIL RYS 01 & 19, 11 & 29; PAPI RYS 01 & 19, 11 & 29 - CTAF.
Contact
- OR 406-480-1820
Attendance
- ON CALL 24 HOURS A DAY
Embed KSDY weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KSDY — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: 5U6 Fairview (11 NM) · 69MT Flying H (private) (14 NM) · 20MT Prevost (private) (16 NM) · ND26 Gajewski Field (private) (24 NM) · 02MT Steppler Field (private) (27 NM) · S85 Big Sky Field (30 NM)
About KSDY
Sidney-Richland Regional (SDY · KSDY) is an airport in Sidney, MT, at 1,985 ft MSL. It has 2 runways, the longest 5,705 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KSDY, refreshed from the Aviation Weather Center and FAA NASR.
Does KSDY have a control tower?
No. Sidney-Richland Regional is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KSDY?
Sidney-Richland Regional has 2 runways; the longest is 5,705 ft. See the Runways section for headings, surface, and lighting.
Where is KSDY?
Sidney-Richland Regional is in Sidney, MT, at an elevation of 1,985 ft MSL. Coordinates: 47.7069, -104.1925.
More about KSDY
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KSDY in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.