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The Pilots Desk
Heliport

Port Smith Heliport

ICAO 4MT5🇺🇸 Helena
Coordinates
46.7034°N, 111.8273°W
Elevation
4,020 ft (1,225 m)
Type
Heliport
Region
US-MT
Time zone
Denver(UTC-06:00)
Magnetic variation
11.6° E

Daylight today(Jul 16, 2026, local time)

Civil dawn
05:13
Sunrise
05:50
Sunset
21:18
Civil dusk
21:55

About 15h 27m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Port Smith Heliport

Port Smith Heliport is a heliport in Helena, United States. It sits at an elevation of 4,020 ft (1,225 m) and has 1 runway, the longest 45 ft / 14 m. It observes America/Denver local time. The nearest airport is Dog Leg Airport (US-8428), about 7.4 nm to the sse.

Summary generated from this airport’s structured data — reference only.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
H1 / H145 ft / 14 m45 ftTurf/dirtUnlitOpen

Nearby airports

Great-circle distance and true bearing from Port Smith Heliport.

Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Port Smith Heliport located?

Port Smith Heliport is heliport located in Helena, United States, at an elevation of 4,020 ft (1,225 m).

How many runways does Port Smith Heliport have?

Port Smith Heliport has 1 runway, the longest being 45 ft / 14 m.

What time zone is Port Smith Heliport in?

Port Smith Heliport is in the America/Denver time zone (UTC-06:00).

What is the magnetic variation at Port Smith Heliport?

The magnetic variation (declination) at Port Smith Heliport is approximately 11.6° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Port Smith Heliport?

The nearest airport to Port Smith Heliport is Dog Leg Airport (US-8428), about 7.4 nm to the sse, followed by Helena Regional Airport and M4 Strip.

Is the information on this page suitable for flight planning?

No. Port Smith Heliport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.