# Boulder Airport (3U9)

**Boulder Airport** (FAA: 3U9) is a small airport in Boulder, Montana, United States. It opened in Jul 1963. It has one runway, 3,675 ft (1,120 m) long, grass.

Web page: https://dromopedia.com/airports/3u9

## At a glance

- FAA: 3U9
- Type: Small airport
- Serves: Boulder, Montana, United States
- Opened: Jul 1963
- Elevation: 4,968 ft / 1,514 m
- Coordinates: 46.2116, -112.1060
- Runways: 1
- Longest runway: 3,675 ft / 1,120 m
- Time zone: UTC-7/-6 · America/Denver
- Wikipedia: https://en.wikipedia.org/wiki/Boulder_Airport (5 languages)
- Wikidata: https://www.wikidata.org/wiki/Q3813423
- Weather station: KBTM · WMO 72774
- Ident: 3U9

## Timeline

- Jul 1963: Boulder Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 11/29 | 3,675 ft / 1,120 m | 72 ft / 22 m | Grass | 130° / 310° |  |

- 11/29 slopes 1.6%: threshold 29 at 4,910 ft / 1,497 m, threshold 11 at 4,968 ft / 1,514 m.

## Rankings

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

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Longest runway | 3,675 ft / 1,120 m | =11,654 of 29,858 | =4,688 in North America | =3,926 in US |
| Elevation | 4,968 ft / 1,514 m | #2,072 of 43,403 | #1,088 in North America | #838 in US |
| Age | Opened 1963 | =5,069 of 15,079 | =3,512 in North America | =3,434 in US |
| Runways | 1 | =4,364 of 29,978 | =2,583 in North America | =2,326 in US |

## Nearby airports

- [MT43](https://dromopedia.com/airports/mt43.md) Klies Air Strip · 15 mi / 24 km
- [MT96](https://dromopedia.com/airports/us-8465.md) Ram Ranch Runway · 19 mi / 31 km
- [MT41](https://dromopedia.com/airports/mt41.md) Jefco Skypark Airport · 23 mi / 37 km
- [MT06](https://dromopedia.com/airports/mt06.md) Duncan Airport · 25 mi / 40 km
- [MT83](https://dromopedia.com/airports/mt83.md) Ten Mile Airport · 25 mi / 40 km
- [MT46](https://dromopedia.com/airports/us-1985.md) M4 Strip · 25 mi / 41 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/3u9/data