Warren USFS Airport
3U1 has 1 runway. The longest is 11/29 at 2,765 ft × 50 ft (dirt).
FAA NASR data, cycle 2026-09-03
3U1 field elevation is 5,896 ft MSL. The standard traffic pattern altitude at 3U1 is 6,900 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
CTAF 122.9 MHz — 3U1 is non-towered; self-announce position and intentions on CTAF.
Check K3U1 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 3U1 is a non-towered airport. The CTAF frequency is 122.9 MHz.
3U1 has 1 runway (11/29). The longest runway is 2,765 feet.
3U1 uses the standard traffic pattern altitude of 1,000 feet AGL — about 6,900 feet MSL at a field elevation of 5,896 feet.
3U1 (Warren USFS Airport) has a field elevation of 5,896 feet MSL.
3U1 (Warren USFS Airport) is located in Warren, ID.