San Carlos Airport
Daylight today(Jul 16, 2026, local time)
About 14h 30m 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 San Carlos Airport
San Carlos Airport is a public airfield located two miles northeast of San Carlos, California, in San Mateo County and serves the San Francisco Bay Area.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KSQLLive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
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)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 12 / 30 | 2,621 ft / 799 m | 75 ft | Asp | Lighted | Open |
Radio frequencies (8)
| Type | Description | Frequency |
|---|---|---|
| APP | NORCAL APP | 133.950 MHz |
| APP | NORCAL APP | 33.820 MHz |
| ATIS | ATIS | 125.900 MHz |
| CTAF | CTAF | 119.000 MHz |
| DEP | NORCAL DEP | 135.650 MHz |
| GND | GND | 121.600 MHz |
| TWR | TWR | 119.000 MHz |
| UNIC | UNICOM | 122.950 MHz |
Services & operations
San Carlos and Half Moon Bay Airports are operated by the Department of Public Works.
From the airport’s official website — details may change, so confirm with the airport. Official site
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (2)
Arrivals (STARs) (1)
Takeoff & alternate minimums (2)
Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.
Airspace in this area(6)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| SAN FRANCISCO CLASS B AREA M | Class B | Controlled | 6000 ft MSL | 10000 ft MSL |
| SAN FRANCISCO CLASS B AREA I | Class B | Controlled | 4000 ft MSL | 10000 ft MSL |
| SAN FRANCISCO CLASS B AREA H | Class B | Controlled | 3000 ft MSL | 10000 ft MSL |
| SAN FRANCISCO CLASS B AREA F | Class B | Controlled | 2300 ft MSL | 10000 ft MSL |
| SAN CARLOS CLASS D | Class D | Controlled | GND | 2000 ft MSL |
| SAN CARLOS CLASS D | Class D | Controlled | GND | 1500 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | 344 ft | 121 ft | — |
| Obstacle | 328 ft | 115 ft | — |
| Obstacle | 279 ft | 46 ft | — |
| Obstacle | 240 ft | 85 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from San Carlos Airport.
Frequently asked questions
What is the ICAO code for San Carlos Airport?
The ICAO code for San Carlos Airport is KSQL, and its IATA code is SQL.
Where is San Carlos Airport located?
San Carlos Airport is medium airport located in San Carlos, United States, at an elevation of 5 ft (2 m).
How many runways does San Carlos Airport have?
San Carlos Airport has 1 runway, the longest being 2,621 ft / 799 m.
What time zone is San Carlos Airport in?
San Carlos Airport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at San Carlos Airport?
The magnetic variation (declination) at San Carlos Airport is approximately 12.8° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near San Carlos Airport?
The nearest airport to San Carlos Airport is Palo Alto Airport (PAO), about 7.2 nm to the ese, followed by San Francisco International Airport and Hayward Executive Airport.
Is the information on this page suitable for flight planning?
No. San Carlos Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.