# San Carlos Airport (SQL / KSQL)

**San Carlos Airport** (IATA: SQL, ICAO: KSQL) is a medium airport in San Carlos, California, United States. It opened in Jul 1952. It has one runway, 2,621 ft (799 m) long, asphalt. In 2024 it handled 4 thousand passengers.

Web page: https://dromopedia.com/airports/ksql

## At a glance

- IATA / ICAO: SQL / KSQL
- FAA: SQL
- Type: Medium airport
- Serves: San Carlos, California, United States
- Opened: Jul 1952
- Elevation: 6 ft / 2 m
- Coordinates: 37.5131, -122.2508
- Runways: 1
- Longest runway: 2,621 ft / 799 m
- Instrument procedures: 2 approaches, 1 arrival
- Passengers: 3,565 (2024)
- Time zone: UTC-8/-7 · America/Los_Angeles
- Website: https://www.smcgov.org/publicworks/san-carlos-airport
- Wikipedia: https://en.wikipedia.org/wiki/San_Carlos_Airport_(California) (11 languages)
- Wikidata: https://www.wikidata.org/wiki/Q3373000
- Weather station: KSQL
- Ident: KSQL

## Timeline

- Jul 1952: San Carlos Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 12/30 | 2,621 ft / 799 m | 75 ft / 23 m | Asphalt | 138° / 318° | yes |

- FAA airport diagram: https://aeronav.faa.gov/d-tpp/2611/09219AD.PDF

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2019 | 10,258 | BTS T-100 Segment |
| 2020 | 5,713 | BTS T-100 Segment |
| 2021 | 9,012 | BTS T-100 Segment |
| 2023 | 7,039 | BTS T-100 Segment |
| 2024 | 3,565 | BTS T-100 Segment |

## Rankings

Ranked among 48,075 open airports; = marks a shared place.

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Passengers | 4K (2024) | #3,009 of 3,974 | #795 in North America | #575 in US |
| Longest runway | 2,621 ft / 799 m | =19,481 of 29,858 | =8,275 in North America | =7,063 in US |
| Elevation | 6 ft / 2 m | =43,047 of 43,403 | =19,318 in North America | =15,702 in US |
| Age | Opened 1952 | =3,844 of 15,079 | =2,673 in North America | =2,612 in US |
| Runways | 1 | =4,364 of 29,978 | =2,583 in North America | =2,326 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| APP | NORCAL APP | 133.950 |
| APP | NORCAL APP | 33.820 |
| ATIS | ATIS | 125.900 |
| CTAF | CTAF | 119.000 |
| DEP | NORCAL DEP | 135.650 |
| GND | GND | 121.600 |
| TWR | TWR | 119.000 |
| UNIC | UNICOM | 122.950 |

## Nearby airports

- [PAO](https://dromopedia.com/airports/kpao.md) Palo Alto Airport · 8.3 mi / 13 km
- [SFO](https://dromopedia.com/airports/ksfo.md) San Francisco International Airport · 10 mi / 16 km
- [NUQ](https://dromopedia.com/airports/knuq.md) Moffett Federal Airfield · 13 mi / 21 km
- [OAK](https://dromopedia.com/airports/koak.md) Oakland San Francisco Bay Airport · 14 mi / 23 km
- [SJC](https://dromopedia.com/airports/ksjc.md) Mineta San Jose International Airport · 20 mi / 33 km
- [CCR](https://dromopedia.com/airports/kccr.md) Buchanan Field · 35 mi / 56 km

## In collections

- [Shortest runways with airline service](https://dromopedia.com/collections/shortest-scheduled) #41

## Sources

- [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government))
- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/ksql/data