# Portland Mulino Airport (4S9)

**Portland Mulino Airport** (FAA: 4S9) is a small airport in Portland-Mulino, Oregon, United States. It opened in Jun 1948. It has one runway, 3,425 ft (1,044 m) long, asphalt.

Web page: https://dromopedia.com/airports/k4s9

## At a glance

- FAA: 4S9
- Type: Small airport
- Serves: Portland-Mulino, Oregon, United States
- Opened: Jun 1948
- Elevation: 260 ft / 79 m
- Coordinates: 45.2163, -122.5900
- Runways: 1
- Longest runway: 3,425 ft / 1,044 m
- Time zone: UTC-8/-7 · America/Los_Angeles
- Wikipedia: https://en.wikipedia.org/wiki/Mulino_State_Airport (5 languages)
- Wikidata: https://www.wikidata.org/wiki/Q6934024
- Weather station: KUAO
- Ident: K4S9

## Timeline

- Jun 1948: Portland Mulino Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 14/32 | 3,425 ft / 1,044 m | 100 ft / 31 m | Asphalt | 159° / 340° | yes |

## Rankings

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

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Longest runway | 3,425 ft / 1,044 m | =13,028 of 29,858 | =5,286 in North America | =4,417 in US |
| Elevation | 260 ft / 79 m | =32,327 of 43,403 | =14,813 in North America | =12,476 in US |
| Age | Opened 1948 | =3,279 of 15,079 | =2,168 in North America | =2,110 in US |
| Runways | 1 | =4,364 of 29,978 | =2,583 in North America | =2,326 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| CLD | CLD | 119.950 |
| UNIC | CTAF/UNICOM | 123.050 |

## Nearby airports

- [OR41](https://dromopedia.com/airports/or41.md) Workman Airpark · 3.9 mi / 6.3 km
- [OR40](https://dromopedia.com/airports/or40.md) Dietz Airpark · 4.0 mi / 6.5 km
- [OL05](https://dromopedia.com/airports/ol05.md) Skydive Oregon Airport · 5.1 mi / 8.2 km
- [44OR](https://dromopedia.com/airports/44or.md) Compton Airport · 6.7 mi / 11 km
- [OG30](https://dromopedia.com/airports/og30.md) Aeroacres Airport · 7.0 mi / 11 km
- [OG20](https://dromopedia.com/airports/og20.md) Fairways Airport · 7.5 mi / 12 km

## Sources

- [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/k4s9/data