Southwest Wyoming Regional Airport
RKS · KRKS · Rock Springs, WY · Non-towered · Print kneeboard
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 night2026-08-03 · night begins 09:03 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:41 AM | 11:41Z |
| Sunrise | 06:12 AM | 12:12Z |
| Sunset | 08:32 PM | 02:32Z |
| Evening civil twilight Loggable night begins | 09:03 PM | 03:03Z |
Plan a flight from KRKS
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
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Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 21LEFT traffic
- Heading
- 212° mag · 225° true
- Dimensions
- 5,228 × 75 ft
- TPA
- 7,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 2-light PAPI (left) (3°)
- CTAF
- 122.8
Enter the left downwind (heading 032°) on the 45° at 7,800 ft MSL (≈1,000 AGL).
More details — RWY 21
- Threshold elev
- 6,748 ft
- Markings
- basic
- Threshold crossing height
- 30 ft
- TDZ elevation
- 6,748 ft
- Declared TORA/TODA/ASDA/LDA
- 5,228 / 5,228 / 5,228 / 5,228 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 |
|---|---|---|
| 03/21 | 5,228 ft | |
| 09/27 | 10,002 ft |
Prefer one flat page? Full runway details for KRKS → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KRKS kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Rock Springs”Taxi & takeoff
“Rock Springs”Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 353.5 | GREEN RIVER RCAG (LOW/HIGH) |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 27
| Runway | ILS |
|---|---|
| RWY 27 | ILS/DME · CAT I · LOC 109.3 (RKS) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
OCS 116.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| OCS · Rock Springs | VOR/DME | 116.00 · 107X | High | r263° / 2.2 NM |
Prefer one flat list? All KRKS frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KRKS, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KRKS / RKS
- Coordinates
- 41.5942, -109.0650
- Elevation
- 6,765 ft MSL
- Magnetic variation
- 13E
- Sectional chart
- SALT LAKE CITY
- Airport use
- Public
- Control tower
- No
- Airspace
- Class E
- Weather station
- AWOS-3 · 118.375 · ☎ 307-362-2541
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- CASPER · 122.2 · 1-800-WX-BRIEF
- FSS outlet
- RCO → Casper Radio (24)
- NOTAM facility
- RKS
- Attendance
- ALL 0400-2200
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- I A
- Activated
- 1942/07
- Distance from city
- 7 E
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MALSR RWY 27; ODALS RWY 09; REIL RWY 03 & 21; HIRL RWY 09/27 & TWY LGTS - CTAF. PAPI RWY 09, 27, 03, 21 OPR CONSLY. on 122.8 — Chart Supplement ↗
Runway lighting aids — 03: 2-light PAPI (left) · 21: 2-light PAPI (left) · 09: 4-light PAPI (left) + ODALS · 27: 4-light PAPI (left) + MALSR.
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-1 (additive)
- Bottled oxygen
- HIGH/LOW
- Airframe service
- MINOR
- Powerplant service
- MINOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Air ambulance, Cargo, Charter, Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.
Runways
- PCR VALUE: 112/F/D/X/T
- PCR VALUE: 1557/F/A/X/T
Lighting
- ACTVT MALSR RWY 27; ODALS RWY 09; REIL RWY 03 & 21; HIRL RWY 09/27 & TWY LGTS - CTAF. PAPI RWY 09, 27, 03, 21 OPR CONSLY.
Contact
- ROCK SPRINGS/SWEETWATER CO ARPT JOINT PWRS BOARDS.
Embed KRKS weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KRKS — 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: 48U Greater Green River Intergalactic Spaceport (21 NM) · TF9 Taylor Flat Airport (43 NM) · 33U Dutch John Airport (43 NM) · 40U Manila Airport (46 NM)
About KRKS
Southwest Wyoming Regional Airport (RKS · KRKS) is an airport in Rock Springs, WY, at 6,765 ft MSL. It has 2 runways, the longest 10,002 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KRKS, refreshed from the Aviation Weather Center and FAA NASR.
Does KRKS have a control tower?
No. Southwest Wyoming Regional Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KRKS?
Southwest Wyoming Regional Airport has 2 runways; the longest is 10,002 ft. See the Runways section for headings, surface, and lighting.
Where is KRKS?
Southwest Wyoming Regional Airport is in Rock Springs, WY, at an elevation of 6,765 ft MSL. Coordinates: 41.5942, -109.0650.
Fly out of KRKS often?
Save KRKS as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 KRKS 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.