Skip to content
Vincony — fast, managed web hosting for your next site
The Pilots Desk
Small airport

Siskiyou County Airport

IATA SIYICAO KSIYLocal SIY🇺🇸 Montague
Coordinates
41.7814°N, 122.4680°W
Elevation
2,648 ft (807 m)
Type
Small airport
Region
US-CA
Time zone
Los Angeles(UTC-07:00)
Magnetic variation
13.7° E

Daylight today(Jul 13, 2026, local time)

Civil dawn
05:14
Sunrise
05:47
Sunset
20:45
Civil dusk
21:18

About 14h 58m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Siskiyou County Airport

Siskiyou County Airport

Siskiyou County Airport is a public airport located three miles (4.8 km) northeast of Montague, serving Siskiyou County, California, United States. It has one runway and is mostly used for general aviation.

Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.

Live weather

KSIY

Live departures & arrivals

Loading live flights…

Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

Loading current routes…

Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
17 / 357,490 ft / 2,283 m150 ftAspLightedOpen

Radio frequencies (4)

TypeDescriptionFrequency
ASOSASOS121.125 MHz
CNTRSEATTLE CNTR124.850 MHz
RDORANCHO RDO122.400 MHz
UNICCTAF/UNICOM123.000 MHz

Instrument procedures & charts

Cycle 2606 · effective Jun 11, 2026 – Jul 9, 2026 Not for navigation — confirm currency on the official FAA source.

Instrument approaches (1)

Takeoff & alternate minimums (1)

Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.

Nearby airports

Great-circle distance and true bearing from Siskiyou County Airport.

Wikipedia Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the ICAO code for Siskiyou County Airport?

The ICAO code for Siskiyou County Airport is KSIY, and its IATA code is SIY.

Where is Siskiyou County Airport located?

Siskiyou County Airport is small airport located in Montague, United States, at an elevation of 2,648 ft (807 m).

How many runways does Siskiyou County Airport have?

Siskiyou County Airport has 1 runway, the longest being 7,490 ft / 2,283 m.

What time zone is Siskiyou County Airport in?

Siskiyou County Airport is in the America/Los Angeles time zone (UTC-07:00).

What is the magnetic variation at Siskiyou County Airport?

The magnetic variation (declination) at Siskiyou County Airport is approximately 13.7° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Siskiyou County Airport?

The nearest airport to Siskiyou County Airport is Montague-Yreka Rohrer Field (ROF), about 4.6 nm to the sw, followed by Leese Airport and Avery Ranch Airstrip.

Is the information on this page suitable for flight planning?

No. Siskiyou County Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.