Fort Harrison Army Airfield Private

MT15 · Helena, MT · 4,050 ft elevation · var 17E · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: MT15
Coordinates: 46.6247, -112.1109
Elevation: 4,050 ft MSL
Magnetic variation: 17E
Sectional chart: GREAT FALLS
Airport use: Private
Control tower: No
ARTCC: SALT LAKE CITY (ZLC)
Flight service (FSS): GREAT FALLS
Attendance: UNATNDD
Segmented circle: No
Wind indicator: yes
Activated: 1978/04
Distance from city: 4 W

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (MDT)	UTC
Morning civil twilight Loggable night ends	04:55 AM	10:55Z
Sunrise	05:35 AM	11:35Z
Sunset	09:26 PM	03:26Z
Evening civil twilight Loggable night begins	10:05 PM	04:05Z

Loggable night (§1.1)

10:05 PM → 04:55 AM

Night currency (§61.57)

10:26 PM → 04:35 AM

Plan a flight from MT15

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 05 · 050°
Pattern: left (turns left)
TPA: 5,100 ft MSL (≈1,000 AGL)

Enter the left downwind for Rwy 05 at 5,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 05/23

2,185 ft × 100 ft · Turf

Heading: 050° mag · 67° true
Traffic pattern: Left

Heading: 230° mag · 247° true
Traffic pattern: Left

Runway 10/28

1,840 ft × 97 ft · Turf

Heading: 102° mag · 119° true
Traffic pattern: Left

Heading: 282° mag · 299° true
Traffic pattern: Left

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
05/23	2,185 ft
10/28	1,840 ft

Communication frequencies

Service	Frequency	Notes
OPS	40.65	HELENA ARNG OPS

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
HLN · Helena	VORTAC	117.70	r263° / 6.6 NM

VFR sectional

Open MT15 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for MT15. VFR sectional link above.

Ownership & management

Owner

U S GOVERNMENT

Manager

MT ARMY NATIONAL GUARD

BOX 4789, HELENA, MT

406-324-3694

Remarks FAA

EXISTED PRIOR TO 1959.
PPR D406-324-5776.
FOR CD CTC HELENA APCH AT 406-449-5756/5761, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568.
CLSD INDEFLY.

Nearby airports

39MT · Flying E Ranch AirportPrivate (2 NM)MT06 · Duncan AirportPrivate (4 NM)MT83 · Ten Mile AirportPrivate (4 NM)40MT · Silver Creek AirportPrivate (5 NM)KHLN · Helena Regional Airport (5 NM)30MT · Nistler Helena AirportPrivate (6 NM)

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open MT15 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About MT15

Fort Harrison Army Airfield (MT15) is an airport in Helena, MT, at 4,050 ft MSL. It has 2 runways, the longest 2,185 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MT15, refreshed from the Aviation Weather Center and FAA NASR.

Does MT15 have a control tower?

No. Fort Harrison Army Airfield is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.

What is the longest runway at MT15?

Fort Harrison Army Airfield has 2 runways; the longest is 2,185 ft. See the Runways tab for headings, surface, and lighting.

Where is MT15?

Fort Harrison Army Airfield is in Helena, MT, at an elevation of 4,050 ft MSL. Coordinates: 46.6247, -112.1109.

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