Siskiyou County Airport
KSIY has 1 runway. The longest is 17/35 at 7,490 ft × 150 ft (asphalt).
FAA NASR data, cycle 2026-09-03
KSIY field elevation is 2,648 ft MSL. The standard traffic pattern altitude at KSIY is 3,650 ft MSL (1,000 ft AGL). Fuel available at KSIY: Jet A.
FAA NASR data, cycle 2026-09-03
CTAF 123.0 MHz — KSIY is non-towered; self-announce position and intentions on CTAF.
Check KSIY against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, KSIY is a non-towered airport. The CTAF frequency is 123.0 MHz.
The ASOS frequency at KSIY (Siskiyou County Airport) is 121.125 MHz.
KSIY has 1 runway (17/35). The longest runway is 7,490 feet.
KSIY uses the standard traffic pattern altitude of 1,000 feet AGL — about 3,650 feet MSL at a field elevation of 2,648 feet.
Yes. KSIY (Siskiyou County Airport) has Jet A available. Call the field for hours, self-serve availability and price.
KSIY (Siskiyou County Airport) has a field elevation of 2,648 feet MSL.
KSIY (Siskiyou County Airport) is located in Montague, CA.