AirNav: MT06 - Duncan Airport

MT06

Duncan Airport
Helena, Montana, USA

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FAA INFORMATION EFFECTIVE 14 MAY 2026

Location

FAA Identifier:	MT06
Lat/Long:	46-34-12.7610N 112-10-30.0240W 46-34.212683N 112-10.500400W 46.5702114,-112.1750067 (estimated)
Elevation:	4260 ft. / 1298 m (estimated)
Variation:	17E (1985)
From city:	6 miles W of HELENA, MT
Time zone:	UTC -6 (UTC -7 during Standard Time)
Zip code:	59601

Airport Operations

Airport use:	Private use. Permission required prior to landing
Activation date:	11/1989
Control tower:	no
ARTCC:	SALT LAKE CITY CENTER
FSS:	GREAT FALLS FLIGHT SERVICE STATION
Attendance:	UNATNDD
Wind indicator:	yes
Segmented circle:	no

Airport Communications

WX ASOS at HLN (8 nm E):

120.4 (406-290-3397)

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
HLNr244/9.4		HELENA VORTAC		117.70		12E

NDB name		Hdg/Dist		Freq		Var		ID
HAUSER		258/17.2		386		12E		HAU	.... .- ..-

Airport Services

Runway Information

Runway 7/25

Dimensions:	1467 x 50 ft. / 447 x 15 m
Surface:	turf
	RUNWAY 7	RUNWAY 25
Traffic pattern:	left	left

Airport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	CARY DUNCAN 6062 WILLOW CR. RD. HELENA, MT 59601 Phone 406-443-3640
Manager:	CARY DUNCAN 6062 WILLOW CR. RD. HELENA, MT 59601 Phone 406-443-3640

Additional Remarks

-	FOR CD CTC HELENA APCH AT 406-449-5756/5761, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568.

Instrument Procedures

There are no published instrument procedures at MT06.

Some nearby airports with instrument procedures:

KHLN - Helena Regional Airport (8 nm E)
38S - Deer Lodge-City-County Airport (27 nm SW)
S69 - Lincoln Airport (30 nm NW)
3U3 - Bowman Field Airport (38 nm SW)
KBTM - Bert Mooney Airport (39 nm S)

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Aerial photo

Sectional chart

Airport distance calculator
Flying to Duncan Airport? Find the distance to fly. From to MT06

Sunrise and sunset

Times for 22-May-2026

	Local (UTC-6)	Zulu (UTC)
Morning civil twilight	05:11	11:11
Sunrise	05:48	11:48
Sunset	21:03	03:03
Evening civil twilight	21:39	03:39

Current date and time

Zulu (UTC)	23-May-2026 05:26:28
Local (UTC-6)	22-May-2026 23:26:28

METAR

KHLN
9nm E

230453Z AUTO 30005KT 10SM SCT110 12/02 A2992 RMK AO2 SLP137 T01170017

TAF