Non-towered · Class G at the surface

Illinois Valley (3S4) radio calls

Cave Junction, ORFAA identifier 3S4; no ICAO code assigned

Illinois Valley is a non-towered airport in Cave Junction, OR. Nobody clears you to do anything: you self-announce on the CTAF, 122.9, as Illinois Valley Traffic, with the airport name at the start and end of each call.

No Class B, C, D or E surface area is designated for this airport in the FAA data, so the airspace at the surface is Class G.

Frequencies

CTAFIllinois Valley Traffic122.9

Airport

Runways
18 · 36
Elevation
1,394 ft
Position
42.104, -123.682

Non-towered airport: self-announce on the CTAF

Sample calls at 3S4

Illinois Valley has no operating control tower. Every call below goes out on the CTAF, 122.9, to the other aircraft, not to a controller. The runway shown is 18; 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 122.9. 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. YouIllinois Valley traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway one eight, Illinois Valley.
  3. YouIllinois Valley traffic, Cessna Six Zero Foxtrot, departing runway one eight, departing the pattern to the north, Illinois Valley.
  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. YouIllinois Valley traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Illinois Valley, Illinois Valley.
  6. YouIllinois Valley traffic, Cessna Six Zero Foxtrot, entering left downwind runway one eight, full stop, Illinois Valley.
  7. YouIllinois Valley traffic, Cessna Six Zero Foxtrot, left base runway one eight, Illinois Valley.
  8. YouIllinois Valley traffic, Cessna Six Zero Foxtrot, final runway one eight, full stop, Illinois Valley.
  9. YouIllinois Valley traffic, Cessna Six Zero Foxtrot, clear of runway one eight, Illinois Valley.

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 Oregon

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.

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