Sidney - Richland Regional Airport (KSDY)
Medium airport · Sidney, Montana, United States
Airport data
| Name | Sidney - Richland Regional Airport |
|---|---|
| ICAO | KSDY |
| IATA | SDY |
| Elevation | 1,985 ft (605 m) above mean sea level |
| Coordinates | N 47°42'19" W 104°11'40" 47.70514, -104.19442 |
| Location | Sidney, Montana, United States |
| Scheduled service | Yes |
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 01/19 | 5,705 ft (1739 m) | 100 ft | ASP | Yes |
| 11/29 | 4,024 ft (1227 m) | 100 ft | ASP | Yes |
Sidney - Richland Regional Airport at a glance
Sidney - Richland Regional Airport is a medium airport in Sidney, Montana, United States, known to airline systems as SDY. The field elevation of 1,985 ft (605 m) is the number every arriving pilot dials against QNH — circuit heights and initial approach altitudes at KSDY are all figured from it. The airport handles scheduled commercial service, so expect controlled procedures, published approaches and commercial traffic in the pattern.
Of its 2 runways, the longest — 01/19 — offers 5,705 ft (1739 m) of asp surface, with runway lighting for night operations. Runway numbers give magnetic orientation: runway 01 points roughly 10° magnetic.
For the weather side of planning, the live METAR and TAF page for KSDY shows the current observation decoded line by line — wind on an instrument dial, visibility, cloud layers and the resulting flight rules — refreshed continuously from official sources.
Nearest airports to Sidney - Richland Regional Airport
Distances are great-circle, measured from the field reference point — planning distances along airways or roads will run longer.
| Airport | Code | Distance |
|---|---|---|
| Williston Basin International Airport | KXWA | 70 km (38 NM) |
| Dawson Community Airport | KGDV | 78 km (42 NM) |
| L M Clayton Airport | KOLF | 112 km (60 NM) |
| Dickinson Theodore Roosevelt Regional Airport | KDIK | 146 km (79 NM) |
| Glasgow Valley County Airport Wokal Field | KGGW | 189 km (102 NM) |
Flight-planning notes for Sidney - Richland Regional Airport
Density altitude is the quiet performance-killer at any field: on a hot day the 1,985 ft field elevation of Sidney - Richland Regional Airport can translate into a substantially higher density altitude, stretching take-off rolls and flattening climb rates — run the numbers rather than trusting the feel of a standard day. Expect published instrument procedures, controlled airspace and clearance requirements; slots and handling may apply to general aviation traffic.
This entry is one of 917 airports and airfields we list for United States — the country index on the airports hub links the rest. Coordinates above are given in both DMS and decimal degrees so they can go straight into a GPS, a flight planner or a chart plot without conversion.
Where this data comes from
The reference layer behind this page builds on the OurAirports dataset — a public-domain, community-maintained register of the world's airports that many flight planners and apps rely on — with equity records preserved from documented historical listings where the dataset is silent. Figures are carried as published: elevations as surveyed, coordinates as filed, runway dimensions as recorded. Nothing is estimated to fill a gap, and the whole layer regenerates from source on every site build, so corrections upstream arrive here automatically.
Frequently asked questions about Sidney - Richland Regional Airport
What is the ICAO code of Sidney - Richland Regional Airport?
The ICAO identifier of Sidney - Richland Regional Airport is KSDY, and its IATA code is SDY. The ICAO code is the one used in flight plans, METAR reports and aeronautical charts.
How high is Sidney - Richland Regional Airport above sea level?
Sidney - Richland Regional Airport sits at an elevation of 1,985 feet (605 metres) above mean sea level. Field elevation is the reference for pattern altitudes and for setting the altimeter on the ground.
Where exactly is Sidney - Richland Regional Airport located?
The airport lies at 47.7051, -104.1944 — in Sidney, Montana, United States, in the northern hemisphere. The closest listed field is Williston Basin International Airport, about 70 km away.
Does KSDY publish METAR weather reports?
Where the station reports, the current METAR and TAF for KSDY appear on its live weather page on this site, refreshed continuously from the US NWS Aviation Weather Center feed.
How long is the runway at Sidney - Richland Regional Airport?
Sidney - Richland Regional Airport has 2 runways. The longest, 01/19, measures 5,705 ft (1739 m) with a ASP surface.