Central Wyoming Regional Airport
RIW · KRIW · Riverton, WY · 5,525 ft elevation · var 10E · Non-towered
Airport information
- ICAO / IATA
- KRIW / RIW
- Coordinates
- 43.0642, -108.4600
- Elevation
- 5,525 ft MSL
- Magnetic variation
- 10E
- Sectional chart
- CHEYENNE
- Airport use
- Public
- Control tower
- No
- Airspace
- Class E
- Weather station
- ASOS · 121.425 · ☎ 307-556-2831
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- CASPER
- NOTAM facility
- RIW
- Attendance
- MON-FRI 0700-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- I A
- GPS MON airport
- Yes
- Activated
- 1937/11
- Distance from city
- 3 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:59 AM | 10:59Z |
| Sunrise | 05:34 AM | 11:34Z |
| Sunset | 08:57 PM | 02:57Z |
| Evening civil twilight Loggable night begins | 09:32 PM | 03:32Z |
Plan a flight from KRIW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT HIRL RY 10/28; MIRL RY 01/19; REIL RY 01 & RY 19; AND REIL RY 10; MALSR RY 28 - CTAF. PAPI RY 01, RY 19, RY 10 & RY 28 OPER 24 HRS. on 122.8 — Chart Supplement ↗
Runway lighting aids — 01: 2-light PAPI (left) · 19: 2-light PAPI (left) · 10: 4-light PAPI (left) · 28: 4-light PAPI (right) + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 01 · 014°
- Pattern
- left (turns left)
- TPA
- 6,500 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 01 at 6,500 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 01/19
4,800 ft × 75 ft · Asphalt (Good)- Heading
- 014° mag · 24° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Approach obstacle
- Pline — 50:1 slope to clear
- Declared TORA/TODA/ASDA/LDA
- 4,800 / 4,800 / 4,800 / 4,800 ft
- End lights
- REIL
- Heading
- 194° mag · 204° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Declared TORA/TODA/ASDA/LDA
- 4,800 / 4,800 / 4,800 / 4,800 ft
- End lights
- REIL
Runway 10/28
8,204 ft × 150 ft · Asphalt (Good)- Heading
- 104° mag · 114° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
- Approach obstacle
- Pline, 133 ft, 3,950 ft from threshold, 0 ft B of centerline — 28:1 slope to clear
- Declared TORA/TODA/ASDA/LDA
- 8,204 / 8,204 / 8,204 / 8,204 ft
- End lights
- REIL
- Heading
- 284° mag · 294° true
- Markings
- precision
- VGSI
- 4-light PAPI (right) (3°)
- Approach lights
- MALSR
- Instrument landing
- ILS · CAT I · LOC 110.5 (RIW) · GS 3.00°
- Traffic pattern
- Left
- Declared TORA/TODA/ASDA/LDA
- 8,204 / 8,204 / 8,204 / 8,204 ft
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 4,800 ft | |
| 10/28 | 8,204 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| ASOS | 121.425 | |
| RDO | 122.2 | CASPER RDO |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| RIW · Riverton | VOR-DME | 108.80 | r227° / 0.2 NM |
| BOY · Boysen Reservoir | VOR-DME | 117.80 | r180° / 25 NM |
Airport diagram
Open PDF ↗Preview diagram
Procedures at a glance
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- LOW
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Agricultural, Charter, Instruction
Ownership & management
Remarks FAA
- PPR FOR UNSKED OPNS WITH MORE THAN 30 PSGR SEATS CALL AMGR 307-857-7780/307-856-7063.
- GA ACFT NOT AUZD ON WEST RAMP.
- MULTIPLE HOT AIR BALLOONS INVOF ARPT DURING JULY.
- CONDS NOT MONITORED AT NGT AFT THE LAST ACR ARR TIL 0500L. SEE NOTAMS FOR THE MOST UP-TO-DATE CONDS AND UPDTS.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.
- ACTVT HIRL RY 10/28; MIRL RY 01/19; REIL RY 01 & RY 19; AND REIL RY 10; MALSR RY 28 - CTAF. PAPI RY 01, RY 19, RY 10 & RY 28 OPER 24 HRS.
- FOR SVC AFTER HRS CALL 307-856-3599.
- PCR VALUE: 140/F/D/X/T
- PCR VALUE: 280/F/B/X/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 KRIW 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.
About KRIW
Central Wyoming Regional Airport (RIW · KRIW) is an airport in Riverton, WY, at 5,525 ft MSL. It has 2 runways, the longest 8,204 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KRIW, refreshed from the Aviation Weather Center and FAA NASR.
Does KRIW have a control tower?
No. Central Wyoming Regional Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at KRIW?
Central Wyoming Regional Airport has 2 runways; the longest is 8,204 ft. See the Runways tab for headings, surface, and lighting.
Where is KRIW?
Central Wyoming Regional Airport is in Riverton, WY, at an elevation of 5,525 ft MSL. Coordinates: 43.0642, -108.4600.
Fly out of KRIW often?
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