← All airports
Sidney - Richland Regional Airport
SDY · KSDY · Sidney, MT · 1,985 ft elevation · var 9E · Towered
Airport information
- ICAO / IATA
- KSDY / SDY
- Coordinates
- 47.7051, -104.1944
- Elevation
- 1,985 ft MSL
- Magnetic variation
- 9E
- Sectional chart
- BILLINGS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- SDY
- Attendance
- ALL 0600-1900
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1951/01
- Distance from city
- 1 W
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-20
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:17 AM | 10:17Z |
| Sunrise | 04:58 AM | 10:58Z |
| Sunset | 08:58 PM | 02:58Z |
| Evening civil twilight Loggable night begins | 09:39 PM | 03:39Z |
Loggable night (§1.1)
09:39 PM → 04:17 AM
Night currency (§61.57)
09:58 PM → 03:58 AM
Plan a flight from KSDY
Runway 01/19
5,705 ft × 100 ft · Asphalt (Good) 01
- Heading
- 015° mag · 24° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
19
- Heading
- 195° mag · 204° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Right
Runway 11/29
4,024 ft × 100 ft · Asphalt (Good) 11
- Heading
- 108° mag · 117° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Right
29
- Heading
- 288° mag · 297° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| AWOS | 119.275 | AWOS 3 |
| RDO | 123.65 | GREAT FALLS RDO |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ISN · Williston | VORTAC | 116.30 | r197° / 37.4 NM |
Airport diagram
Open PDF ↗Preview diagram
Approaches
- RNAV (GPS) RWY 01 ↗ · amdt 2A
- RNAV (GPS) RWY 19 ↗ · amdt 3
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- 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
Owner
SIDNEY RICHLAND APT AUTHORITY
PO BOX 1050, 540 AIRPORT ROAD, SIDNEY, MT
406-480-1820
Manager
RYAN HUOTARI
540 AIRPORT ROAD, P.O. BOX 1050, SIDNEY, MT
(406) 480-1820
Remarks FAA
- FOR ARPT CONDITIONS, CTC ARPT MGT - 406-480-1820. SFC CONDITIONS UNMONITORED 0400-1300Z++
- FLOCKS OF WATER FOWL IN VICINITY OF ARPT.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.
- ACTVT MIRL RYS 01/19 & 11/29; REIL RYS 01 & 19, 11 & 29; PAPI RYS 01 & 19, 11 & 29 - CTAF.
- ON CALL 24 HOURS A DAY
- OR 406-480-1820
- PCR VALUE: 180/F/D/Y/T
- PCR VALUE: 211/F/D/Y/T
Nearby airports
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.