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4U6
Local
4U6
CIRCLE TOWN COUNTY
Public
PUB
1 miles E of CIRCLE, MT, US
View on
Map
Status
Operational
Coordinates
47° 25' 06"N
105° 33' 39"W
Elevation
2441' MSL
Pattern Alt
3441' MSL
Mag Variation
9°E
Declination
9°E
Fuel
100LL
FSS
GREAT FALLS (GTF)
Sectional
BILLINGS
ARTCC
SALT LAKE CITY (ZLC)
Data Effective
2/19/26-3/19/26
KGDV (35nm)
VFR
6:56 PM MST
RAW
Clear
Viz
10sm
Temp
38°F
Dew
23°F
Pres
29.99"Hg
Wind
250° 8kts
RMK
AO2 SLP180 T00331050 TSNO $
METAR KGDV 040156Z AUTO 25008KT 10SM CLR 03/M05 A2999 RMK AO2 SLP180 T00331050 TSNO $
Services
Frequencies & Documents
Freqs & Docs
TAF
NOTAM
Operations
Runways
Remarks
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4U6 FBOs
No FBOs (Fixed Base Operators) are listed for this airport.
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Your Information
Business
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Weather and Advisory
AWOS-2
119.025
(406) 485-3760
Common
CTAF
122.8
ACTVT MIRL RY 12/30 & PAPI RY 12 AND RY 30 - CTAF.
UNICOM
122.8
Center
SALT LAKE CENTER
126.85
LOW, APCH/DEP CTL SVC PRVDD BY SALT LAKE ARTCC ( ZLC) ON FREQS 126.85/305.2 (GLASGOW RCAG).
FAA A/FD Pages
FAA A/FD Page
Airport Minimums
TAKEOFF MINIMUMS
Instrument Approach
RNAV (GPS) RWY 12
RNAV (GPS) RWY 30
Terminal Area Forecast
KGDV (35nm)
RAW
Reported
Tue, 3/3 4:20 PM MST
Valid
Tue, 3/3 5:00 PM MST - Wed, 3/4 5:00 PM MST
VFR
5:00 PM MST - 12:00 AM MST
Few 12,000'
Viz
6sm
Wind
VRB° 5kts
VFR
12:00 AM MST - 2:00 AM MST
Few 24,000'
Viz
6sm
Wind
210° 8kts
VFR
2:00 AM MST - 5:00 AM MST
Few 12,000'
Viz
6sm
Wind
210° 8kts
VFR
5:00 AM MST - 5:00 PM MST
Few 21,000'
Viz
6sm
Wind
210° 7kts
TAF KGDV 032320Z 0400/0424 VRB05KT P6SM FEW120
FM040700 21008KT P6SM FEW240
FM040900 21008KT P6SM FEW120 WS020/23040KT
FM041200 21007KT P6SM FEW210
4U6
Effective
Expires
Category
NOTAM
Domestic
2/4/26
0115Z
3/4/26
2300Z
!GTF 02/022 4U6 OBST TOWER LGT (ASR 1006985) 471637.00N1052326.00W (11.0NM SE 4U6) 3720.5FT (259.2FT AGL) U/S 2602040115-2603042300
ATC Tower
No
Attendance
MON-FRI 0800-1700
Owner
MC CONE COUNTY & CITY OF CIRCLE
COUNTY COURTHOUSE PO BOX199
CIRCLE, MT 59215
Phone: 406-485-3505
Manager
JEFF SKYBERG
BOX 336
CIRCLE, MT 59215
Phone: 406-485-2481
FSS
GREAT FALLS FSS (GTF)
Toll Free: 1-800-WX-BRIEF
NOTAM
GTF
Light Schedule
--
Lights
ACTVT MIRL RY 12/30 & PAPI RY 12 AND RY 30 - CTAF.
Beacon
N/A
Wind Indicator
Yes - Lighted
Segmented Cir.
Yes
Landing Fee
No
Parking
Hanger, Tie-Down
Int'l Operations
NOT a Landing Rights Airport
NOT an Airport of Entry
Airframe Repair
Major
Pwrplant Repair
Major
Bottled Oxygen
None
Bulk Oxygen
None
Other Services
Crop Dusting
Runway 03/21
Dimensions
2280 ft. x 195 ft.
Surface Type
TURF
Surface Cond
Poor
Treatment
NONE
Rwy Edge Lgts
Pavement Class
Single Wheel
--
Double Wheel
--
Double Tandem
--
Dual Dbl Tand
--
Runway 03
Runway 21
True Heading
48°
229°
Traffic Pattern
Left
Left
Markings
Markings Condition
Latitude
47° 24' 58"N
47° 25' 12"N
Longitude
105° 33' 56"W
105° 33' 31"W
Elevation
2,426'
2,422'
Threshold Crossing Height
--
--
Visual Glide Path Angle
--
--
Visual Slope Indicator
--
--
Approach Lights
Centerline Lights
Runway End Identifier Lights
Runway 12/30
Dimensions
4100 ft. x 75 ft.
Surface Type
ASPH
Surface Cond
Poor
Treatment
NONE
Rwy Edge Lgts
MED
Pavement Class
Single Wheel
12,000lbs
Double Wheel
--
Double Tandem
--
Dual Dbl Tand
--
Runway 12
Runway 30
True Heading
140°
320°
Traffic Pattern
Left
Left
Markings
NPI
NPI
Markings Condition
FAIR
FAIR
Latitude
47° 25' 22"N
47° 24' 51"N
Longitude
105° 33' 56"W
105° 33' 18"W
Elevation
2,425'
2,441'
Threshold Crossing Height
25 ft. AGL
21 ft. AGL
Visual Glide Path Angle
3°
3°
Visual Slope Indicator
P2L
P2L
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1
HAS -8 FT DRAINAGE DITCH 200 FT FM RY 03/21 THLDS.
A110-2
FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
A30-03/21
CLSD WINTER MONTHS.
A33-03/21_COND
RWY IS RUF, WITH LONG GRASS, RWY EDGES ARE NOT MKD.
A33-03/21_SURF
UNUSBL IN WET WEATHER.
A33-12/30_COND
TRANSVERSE CRACKS AT 100 FT INTVLS WITH SGFNT WID AND DPT.
A42-03_MARK
03/21 THRS MKD WITH RED CONES.
A81-APT
ACTVT MIRL RY 12/30 & PAPI RY 12 AND RY 30 - CTAF.
CIRCLE TOWN COUNTY (IATA: 4U6) is a public airport located in CIRCLE, MT, US.
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