SISKIYOU COUNTY (KSIY)
Montague, California · Siskiyou County · 3 miles NE of city
Siskiyou County (KSIY) is a non-towered public-use airport in Montague, California at 2,651 ft MSL, with one runway (longest 7,490 ft asphalt). It is classified as a General Aviation (Local) airport in the FAA's NPIAS.
Airport information
FAA identifierSIY
ICAO identifierKSIY
Elevation2651.1 ft MSL
Latitude41.78144° N
Longitude122.46811° W
Magnetic variation19E
NPIAS categoryGeneral Aviation · Local
Based aircraft18
Planned development (2025–29)$3,377,778
Sectional chartKLAMATH FALLS
ARTCCSeattle Center
Flight ServiceRancho Murieta
OwnershipPublicly owned
UseOpen to the public
Activated1943/09
Fuel availableA
TowerNON-ATCT
BeaconWG
Landing feeYes
Wind indicatorYes
NOTAM facilitySIY
AttendedALL / ALL / 0800-1700
ManagerAdam Filippone
Manager phone530-842-8259
Nearby airports
Runways
| Runway | Dimensions | Surface | Details |
|---|---|---|---|
| 17/35 | 7,490 × 150 ft | Asphalt (good) | 17: P2L · 35: right pattern, P2L |
Radio frequencies
| Use | Frequency | Call |
|---|---|---|
| ANTELOPE MOUNTAIN RCAG | 124.85 | — |
| ANTELOPE MOUNTAIN RCAG | 306.3 | — |
| ANTELOPE MTN RCO | 122.4 | ANTELOPE MTN |
| CTAF | 123.0 | — |
| UNICOM | 123.0 | — |
Weather stations
- ASOS · 530-459-0267
Airport remarks
- MIGRATORY FLOCKS OF WATERFOWL IN THE VICINITY OF ARPT DURING SPRING & FALL.
- USFS FIRE OPS MAY-SEP.
- BE ALERT FOR GLIDER OPS MAY-SEP.
- SENSITIVE AG CROPS ADJACENT TO RWY/TWY. ROTOCRAFT SHOULD AVOID OPERATING IN THESE AREAS.
- WILDLIFE IN THE VICINITY OF ARPT.
- FARMING ACTIVITIES AND EQUIPMENT INVOF RWYS AND TWYS.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
- ACTVT MIRL RY 17/35, PAPI RYS 17 AND 35, REIL RYS 17 AND 35 - CTAF.
Data from the FAA National Airspace System Resources (NASR) 28-day subscription. For flight planning, always consult current official publications, NOTAMs, and charts.
