# Osan Air Base (OSN / RKSO)

**Osan Air Base** (IATA: OSN, ICAO: RKSO) is a medium airport in Pyeongtaek, Gyeonggi-do (Gyeonggi Province), South Korea. It opened in 1951. It has 2 runways; the longest is 2,744 m (9,004 ft). It is operated by United States Air Force.

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

## At a glance

- IATA / ICAO: OSN / RKSO
- Type: Medium airport
- Operator: United States Air Force
- Serves: Pyeongtaek, Gyeonggi-do (Gyeonggi Province), South Korea
- Opened: 1951
- Elevation: 12 m / 38 ft
- Coordinates: 37.0915, 127.0294
- Runways: 2
- Longest runway: 2,744 m / 9,004 ft
- Time zone: UTC+9 · Asia/Seoul
- Website: https://www.osan.af.mil/
- Wikipedia: https://en.wikipedia.org/wiki/Osan_Air_Base (15 languages)
- Wikidata: https://www.wikidata.org/wiki/Q492965
- Weather station: RKSO · WMO 47122
- Ident: RKSO

## Timeline

- 1951: Osan Air Base opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 09R/27L | 2,744 m / 9,004 ft | 46 m / 150 ft | Concrete | 084° / 264° | yes |
| 09L/27R | 2,744 m / 9,004 ft | 46 m / 150 ft | Concrete | 084° / 264° | yes |

## Rankings

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

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Longest runway | 2,744 m / 9,004 ft | =1,771 of 29,858 | #533 in Asia | #10 in KR |
| Elevation | 12 m / 38 ft | =39,973 of 43,403 | =2,715 in Asia | #69 in KR |
| Age | Opened 1951 | =3,751 of 15,079 | =194 in Asia | #2 in KR |
| Runways | 2 | =715 of 29,978 | =31 in Asia | =3 in KR |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| APP | APP | 127.900 |
| ATIS | ATIS | 132.125 |
| CLD | CLNC DEL | 127.300 |
| DEP | DEP | 127.900 |
| GND | GND | 132.450 |
| PMSV | PMSV METRO | 34.650 |
| PTD | PTD | 120.700 |
| TWR | TWR | 122.100 |

## Nearby airports

- [RKSG](https://dromopedia.com/airports/rksg.md) Camp Humphreys (A-511) Desiderio Army Airfield · 14 km / 8.9 mi
- [SWU](https://dromopedia.com/airports/rksw.md) Suwon Airport · 17 km / 10 mi
- [SSN](https://dromopedia.com/airports/rksm.md) Seoul Air Base (K-16) · 40 km / 25 mi
- [GMP](https://dromopedia.com/airports/rkss.md) Seoul Gimpo International Airport · 56 km / 35 mi
- [CJJ](https://dromopedia.com/airports/rktu.md) Cheongju International Airport/Cheongju Air Base (K-59/G-513) · 59 km / 37 mi
- [ICN](https://dromopedia.com/airports/rksi.md) Incheon International Airport · 66 km / 41 mi

## Sources

- [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/rkso/data