Siskiyou County
SIY · KSIY · Montague, California · Siskiyou County · map
Siskiyou County is a public-use airport owned by Siskiyou County, 3 miles northeast of Montague, California, 2,651 feet above sea level. Its one runway, 17/35, is 7,490 feet of asphalt. It has fuel (Jet A) and about 14 based aircraft. The FAA counts about 13,750 takeoffs and landings a year. About 5 passengers boarded flights here in the FAA's fiscal year 2024.
Weather right now KSIY · observed 2:53 pm PDT (21:53 UTC), 61 minutes ago
VFR good flying weather
- Wind variable at 4 knots
- Visibility 10 miles or more
- Temperature 88°F (31°C), dew point 39°F (4°C)
- Altimeter 30.04 inHg
No terminal forecast is issued for this station. The nearest forecast is usually at the closest larger airport.
The codes as issued (METAR and TAF)
METAR KSIY 062153Z AUTO VRB04KT 10SM CLR 31/04 A3004 RMK AO2 SLP161 T03110039
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA SIY · ICAO KSIY
- Kind
- Airport · open to the public · publicly owned
- Owner
- Siskiyou County
- Elevation
- 2,651 feet above sea level
- Control tower
- No control tower
- Attended
- every day, 8:00 am to 5:00 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- Jet A
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- Notes
- landing fee
- On the chart
- Klamath Falls sectional
- Magnetic variation
- 19E
- In the FAA's files since
- September 1943
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 17/35 | 7,490 × 150 ft | Asphalt, good | Medium-intensity lights |
- Runway 17: PAPI, two lights on the left, road 15 ft high 850 ft from the end
- Runway 35: PAPI, two lights on the left, right-hand traffic pattern
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 123.0 | |
| Siy and automated weather (ASOS) | 121.125 | |
| Antelope Mtn Rco | 122.4 | Antelope Mtn · Communications provided by rancho murieta radio on frequency 122.4 (antelope mtn rco). |
| Antelope Mountain Center (remote transmitter) Low | 124.85 |
Automated weather (ASOS), by phone 530-459-0267.
Based aircraft as counted for the FAA, fiscal year 2024
Takeoffs and landings a year about 13,750, the FAA's fiscal year 2024 (October 2023 to September 2024)
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Montague from the FAA register
18 aircraft are registered to owners in Montague, California: 9 piston singles, 8 gliders, 1 piston twin. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in California.
Accidents and incidents at or near this airport NTSB records · 8 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Activate medium-intensity runway lights runway 17/35, PAPI runways 17 and 35, runway end identifier lights runways 17 and 35 - the common traffic frequency.
- Migratory flocks of waterfowl in the vicinity of airport during spring and fall.
- Usfs fire operations MAY-SEP.
- Be alert for glider operations MAY-SEP.
- Sensitive agricultural crops adjacent to runway/taxiway. Rotocraft should avoid operating in these areas.
- Wildlife in the vicinity of airport.
- Farming activities and equipment in the vicinity of runways and taxiways.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.