SIY
Siskiyou County Airport
Official FAA Data Effective 2026-09-03 0901Z
Chart Supplement
AF/D
AF/D
VFR Chart of KSIY
Sectional Charts at SkyVector.com
IFR Chart of KSIY
Enroute Charts at SkyVector.com
Location Information for KSIY
Coordinates: N41°46.89' / W122°28.09'
Located 03 miles NE of Montague, California on 1080 acres of land. View all Airports in California.
Surveyed Elevation is 2651 feet MSL.
Operations Data
Airport Use:Open to the public
Activation Date:September 1943
Status:Operational
Control Tower:No
Seg-Circle:Yes
Beacon:White-Green
(Lighted Land Airport)
Wind Indicator:Yes, Lighted
Lighting Schedule:SEE RMK
A.R.T.C.C.:SEATTLE
F.S.S.:RANCHO MURIETA
NOTAMs Facility:SIY (NOTAM-D available)
Sectional Chart:KLAMATH FALLS
Landing Fee:Yes
AirspaceAnalysis:NO OBJECTION
Attendance:ALL/ALL/0800-1700
Airport Communications
ASOS:121.125 Tel. 530-459-0267
UNICOM:123.000
CTAF:123.000
ASOS at MHS (28.8 S):120.625 530-918-8864
ASOS at LMT (39.8 NE): 541-883-8127
ATIS at LMT (39.8 NE):263.0
Remarks:
  • APCH/DEP CTL SVC PRVDD BY SEATTLE ARTCC (ZSE) ON FREQS 124.85/306.3 (ANTELOPE MOUNTAIN RCAG).
  • COMMUNICATIONS PRVDD BY RANCHO MURIETA RADIO ON FREQ 122.4 (ANTELOPE MTN RCO).
Nearby Navigation Aids
IDNameFreqRadial / Range
VOD FJS FORT JONES 116.25 018°25.1
VOT LMT KLAMATH FALLS 115.90 219°39.9
VOT OED ROGUE VALLEY 113.60 135°46.3
VOD FVI FALL RIVER MILLS 116.90 301°65.5
IDNameFreqBearing / Range
VOD MOG MONTAGUE 404 190°3.3
Runway 17/35
Dimensions:7490 x 150 feet / 2283 x 46 meters
Surface:Asphalt in Good Condition
Weight Limits:S-60, D-180, ST-270
Edge Lighting:Medium Intensity
Runway 17Runway 35
Coordinates:N41°47.49' / W122°27.93'N41°46.28' / W122°28.24'
Elevation: 2651.0 2631.5
Traffic Pattern: Left Right
Runway Heading: 191° True 11° True
Markings:Non-Precision Instrument in good condition.Non-Precision Instrument in good condition.
Glide Slope IndicatorP2L (3.00° Glide Path Angle)P2L (3.00° Glide Path Angle)
REIL:YesYes
Obstacles: 15 ft Road 850 ft from runway
Services Available
Fuel:Jet-A
Transient Storage:Tiedowns
Airframe Repair:NONE
Engine Repair:NONE
Bottled Oxygen:NONE
Bulk Oxygen:NONE
Other Services:CROP DUSTING SERVICES,CHARTER SERVICE
Ownership Information
Ownership:Publicly owned
Owner:SISKIYOU COUNTY
190 GREENHORN ROAD
YREKA, CA 96097
530-842-8259
Manager:ADAM FILIPPONE
EMAIL: AFILIPPONE@CO.SISKIYOU.CA.US
190 GREENHORN ROAD
YREKA, CA 96097
530-842-8259
COUNTY ARPT OFC - YREKA, 530-842-8297.
Other 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.
Weather Minimums
Instrument Approach Procedure (IAP) Charts