Non-towered · Class E surface area

Central Wyoming Regional (KRIW) radio calls

Riverton, WYICAO KRIW · FAA RIW

Central Wyoming Regional is a non-towered airport in Riverton, WY. Nobody clears you to do anything: you self-announce on the CTAF, 122.8, as Central Wyoming Regional Traffic, with the airport name at the start and end of each call.

The airport has a Class E surface area: no radio requirement to enter, but VFR weather minimums apply to the surface.

Frequencies

CTAFCentral Wyoming Regional Traffic122.8

Airport

Runways
01 · 19 · 10 · 28
Elevation
5,516 ft
Position
43.064, -108.460

Non-towered airport: self-announce on the CTAF

Sample calls at KRIW

Central Wyoming Regional has no operating control tower. Every call below goes out on the CTAF, 122.8, to the other aircraft, not to a controller. The runway shown is 01; use whichever runway the wind and the traffic dictate on the day.

The aircraft is the AIM’s own example, Cessna Three One Six Zero Foxtrot; the squawk codes, altitudes and headings are illustrative. Frequencies, station names and runway numbers are this airport’s, from the FAA data.

  1. Tune 122.8. Nobody clears you; you announce and you listen. The airport name goes at the start and the end of every call, and the runway is always a number, never "the active" (AIM 4-1-9 g 8).
  2. YouCentral Wyoming Regional traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway zero one, Central Wyoming Regional.
  3. YouCentral Wyoming Regional traffic, Cessna Six Zero Foxtrot, departing runway zero one, departing the pattern to the north, Central Wyoming Regional.
  4. Announce until you are about 10 miles out; on the way back, start announcing at 10 miles (AIM 4-1-9 c 1, TBL 4-1-1).
  5. YouCentral Wyoming Regional traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Central Wyoming Regional, Central Wyoming Regional.
  6. YouCentral Wyoming Regional UNICOM, Cessna Six Zero Foxtrot, one zero miles south, request wind and runway information, Central Wyoming Regional.
  7. A UNICOM operator, if one is on, answers with the wind and the runway in use (AIM 4-1-9 h). If nobody answers, choose the runway from the wind and the pattern traffic you can hear.
  8. YouCentral Wyoming Regional traffic, Cessna Six Zero Foxtrot, entering left downwind runway zero one, full stop, Central Wyoming Regional.
  9. YouCentral Wyoming Regional traffic, Cessna Six Zero Foxtrot, left base runway zero one, Central Wyoming Regional.
  10. YouCentral Wyoming Regional traffic, Cessna Six Zero Foxtrot, final runway zero one, full stop, Central Wyoming Regional.
  11. YouCentral Wyoming Regional traffic, Cessna Six Zero Foxtrot, clear of runway zero one, Central Wyoming Regional.

If things change. Do not use "any traffic in the area, please advise"; the AIM says it is not to be used under any condition (AIM 4-1-9 g 1). Listen for ten miles before you arrive; most of what you want to know has already been said.

Phraseology from AIM 4-1-9 c 1, g 1, g 8, h; TBL 4-1-1; 4-3-3. What TowerTalk grades against →

The calls you will make here

Nearby in Wyoming

Frequencies, runways and airspace from the FAA National Airspace System Resources (NASR) 28-day subscription, cycle effective Oct 29, 2026. Training use only. Always verify against a current Chart Supplement and sectional chart before flight; frequencies change. TowerTalk is not affiliated with the FAA. Report a discrepancy.