Illinois Valley Airport
3S4 has 1 runway. The longest is 18/36 at 4,807 ft × 60 ft (asphalt).
FAA NASR data, cycle 2026-09-03
3S4 field elevation is 1,394 ft MSL. The standard traffic pattern altitude at 3S4 is 2,390 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 3S4 is non-towered; self-announce position and intentions on CTAF.
Check 3S4 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 3S4 is a non-towered airport. The CTAF frequency is 122.9 MHz.
3S4 has 1 runway (18/36). The longest runway is 4,807 feet.
3S4 uses the standard traffic pattern altitude of 1,000 feet AGL — about 2,390 feet MSL at a field elevation of 1,394 feet.
3S4 (Illinois Valley Airport) has a field elevation of 1,394 feet MSL.
3S4 (Illinois Valley Airport) is located in Cave Junction, OR.