# M4 Strip (MT46)

**M4 Strip** (FAA: MT46) is a small airport in East Helena, Montana, United States. It opened in Sep 2020. It has one runway, 1,800 ft (549 m) long, grass.

Web page: https://dromopedia.com/airports/us-1985

## At a glance

- FAA: MT46
- Type: Small airport
- Serves: East Helena, Montana, United States
- Opened: Sep 2020
- Elevation: 4,164 ft / 1,269 m
- Coordinates: 46.5473, -111.8897
- Runways: 1
- Longest runway: 1,800 ft / 549 m
- Time zone: UTC-7/-6 · America/Denver
- Weather station: KHLN · WMO 72772
- Ident: US-1985

## Timeline

- Sep 2020: M4 Strip opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 10/28 | 1,800 ft / 549 m | 40 ft / 12 m | Grass |  |  |

- 10/28 slopes 2.3%: threshold 10 at 4,122 ft / 1,256 m, threshold 28 at 4,164 ft / 1,269 m.

## Rankings

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

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Longest runway | 1,800 ft / 549 m | =26,165 of 29,858 | =12,889 in North America | =11,401 in US |
| Elevation | 4,164 ft / 1,269 m | =3,249 of 43,403 | #1,744 in North America | #1,386 in US |
| Age | Opened 2020 | =13,925 of 15,079 | =11,139 in North America | =11,000 in US |
| Runways | 1 | =4,364 of 29,978 | =2,583 in North America | =2,326 in US |

## Nearby airports

- [MT63](https://dromopedia.com/airports/us-8428.md) Dog Leg Airport · 5.9 mi / 9.5 km
- [HLN](https://dromopedia.com/airports/khln.md) Helena Regional Airport · 6.0 mi / 9.7 km
- [39MT](https://dromopedia.com/airports/39mt.md) Flying E Ranch Airport · 11 mi / 17 km
- [MT15](https://dromopedia.com/airports/mt15.md) Fort Harrison Army Airfield · 12 mi / 19 km
- [MT06](https://dromopedia.com/airports/mt06.md) Duncan Airport · 14 mi / 22 km
- [MT83](https://dromopedia.com/airports/mt83.md) Ten Mile Airport · 14 mi / 22 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)
- [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/us-1985/data