4U6 Circle Town County Airport

Before you fly into 4U6

Conditions

VFR

Good for visual flying

Airport

Non-towered

Self-announce on CTAF

Pattern alt

3,441.4'

MSL · field 2,441.4' + 1,000 AGL

Favored RWY

RWY 30

H/W +6 · X/W 4 kt L

METAR & TAF 4U6

4U6 does not publish a METAR.

Showing the nearest reporting station: KGDV (DAWSON COMMUNITY) · 35.0 NM away. Conditions at 4U6 may differ.

METAR · KGDV

Observed 01:56Z

KGDV 280156Z AUTO 29007KT 10SM OVC085 04/M04 A3005 RMK AO2 SLP199 T00391039 TSNO $

Wind: 290° @ 7 kt
Visibility: 10 SM
Temp / Dew: 4°C / -4°C
Altimeter: 30.05 inHg
Clouds: OVC
Density alt: 1,546 ft
Ceiling: 8,500 ft AGL
Rules: VFR

4U6 does not issue a TAF.

Showing the forecast from the nearest station: KGDV (DAWSON COMMUNITY) · 35.0 NM away. Conditions at 4U6 may differ.

Forecast · TAF

Valid 28 00:00Z–29 00:00Z

TAF KGDV 272328Z 2800/2824 35009KT P6SM BKN050 FM280300 VRB06KT P6SM FEW100 FM281500 20013KT P6SM SKC FM282000 27015KT P6SM SCT060

BASEVFR

28 00:00Z–28 03:00Z

Wind: 350° at 9 kt
Visibility: ≥ 6 SM
Sky: Broken 5,000 ft
Weather: None forecast

00Z

03Z

06Z

09Z

12Z

15Z

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NOW

How to read

The top lane is always the active baseline (BASE + FM). Secondary lanes stack temporary and probabilistic deviations in the order they appear in the TAF.

Tap any pill to see the decoded conditions for that period.

Change indicators

BASEBase

Initial conditions at the start of the forecast.

FMFrom

A new baseline that replaces the previous forecast completely, starting at the stated time.

BECMGBecoming

Conditions change gradually over the window shown. By the end, the new conditions apply.

TEMPOTemporary

Fluctuating conditions lasting less than an hour at a time within the window — not the dominant forecast.

PROB30/40Probability

30 or 40% chance of the conditions occurring within the period. Never combined with BECMG.

Airport info & contacts

Manager on record, flight service, ARTCC, attendance schedule and pattern altitude — published by the FAA and refreshed every 28 days.

Location

From city: 1 NM E
VFR sectional: BILLINGS
ARTCC: ZLC · SALT LAKE CITY
NOTAM facility: GTF (NOTAM-D)

Airport manager

Name: JEFF SKYBERG
Phone: 406-485-2481
Address: BOX 336, CIRCLE MT 59215

Flight service · Hours

FSS GTF: GREAT FALLS1-800-WX-BRIEF
Attendance: MON-FRI · 0800-1700

Frequencies

Tap any row to copy the frequency to your clipboard.

Advisory / CTAF

Runways & pattern

Full page

Runway & wind

tap a runway

290° · 7 kt

See full METAR & TAF

RWY 30

311°M

Head/Tail

+6 kt

Crosswind

4 kt L

Pattern entry · RWY 30

LEFT TRAFFIC

Runway	Heading (°M)	Length	Surface	Traffic
12/30Favored	131° / 311°	4,100 ft	ASPH	Standard L
03/21	39° / 220°	2,280 ft	TURF	Standard L

Runway end performance

End	TORA	TODA	ASDA	LDA	VGSI	Approach lights	Obstruction
12	—	—	—	—	PAPI 2-box left(3°)	—	—
30	—	—	—	—	PAPI 2-box left(3°)	—	—

Declared distances in feet. TORA = takeoff run available, TODA = takeoff distance, ASDA = accelerate-stop, LDA = landing distance.

Airport sketch

Runways drawn to scale from FAA survey coordinates, rendered over live satellite imagery. Not for navigation.

Approaches & charts

RNAV (GPS) RWY 12

4U6 · IAP

RNAV (GPS) RWY 12

4U6 · IAP

Services on the field

Fuel grades, oxygen, maintenance, ramp storage and lighting — as declared to the FAA by the airport operator.

Fuel & services

Fuel: 100LL
Oxygen (bottled): Not available
Oxygen (bulk): Not available
Airframe repair: Major
Power plant repair: Major
Other services: AGRI

Ramp & ground

Transient storage: Tie-down
Hangar
Landing fee: No fee published
Customs: Not available
Lighting schedule: SEE RMK
Beacon schedule: SS-SR
Beacon: White / Green (civil land)(WG)
Wind indicator: Lighted
Segmented circle: Yes

Fuel & FBOs

Cheapest 100LL and Jet A on the field and nearby. Always confirm with the FBO before taxi.

Cheapest 100LLNearby

$5.25

PO1·Dallas Aero & Sales·45.9 nm

Cheapest Jet A

—

Not published

FBO	100LL	Jet A	Amenities
Circle Aviation 122.800(406) 485-2481Independent12d ago	$6.55	—	—

Circle Aviation
122.800(406) 485-2481
—
100LL
$6.55
Jet A
—

Cheaper nearby (within 50 nm)

100LL$5.25atPO1Dallas Aero & Sales45.9 nmsave $1.30

Airport notes

Surface conditions, obstructions, local procedures, lighting outages and other notes published with each FAA cycle.

General notes

There is an 8-foot drainage ditch 200 feet from the runway 03/21 thresholds.Show FAA
For clearance delivery, contact Salt Lake ARTCC at 801-320-2568.Show FAA

Lighting notes

Medium intensity runway lights are activated on runway 12/30 and PAPI is activated on runways 12 and 30 by CTAF.Show FAA

Runway surface & condition

03/21Runway 03/21 is closed during winter months.Show FAA

Approach & departure obstructions

03Runway 03/21 thresholds are marked with red cones.Show FAA

Other notes

12/30Runway 12/30 has transverse cracks at 100-foot intervals with significant width and depth.Show FAA
03/21Runway 03/21 is rough with long grass and runway edges are not marked.Show FAA
03/21Runway 03/21 is unusable in wet weather.Show FAA

VFR map & nearby airports

VFR sectional. Tap any ICAO chip to open that airport.

Key facts · 4U6

Answer card

ICAO: 4U6
Name: CIRCLE TOWN COUNTY
Location: CIRCLE, MONTANA
Elevation: 2,441.4 ft MSL
Traffic pattern altitude: 3,441.4 ft MSL (1,000 AGL)
Control tower: Non-towered (use CTAF)
Total runways: 2
Longest runway: 12/30 · 4,100 ft
Published ILS approaches: 0
Published frequencies: 2
Magnetic variation: 9°
Current flight rules: VFR
Current wind: 290° at 7 kt
Favored runway now: RWY 30

Circle Town County Airport sits in Circle, Montana. The field elevation is 2,441.4 ft MSL. It has two runways. The longest is runway 12/30 at 4,100 ft. There is no control tower. CTAF and UNICOM are both 122.8. No ILS approaches are published, so plan with current VFR or non-ILS IFR options as applicable. Verify details before departure.

Pattern altitude is not published. Use the standard 1,000 ft AGL pattern unless the current Chart Supplement or local procedures say otherwise. Circle Aviation is on the field. It carries 100LL. Runway 12/30 has medium intensity lights. PAPI is activated on runways 12 and 30 by CTAF. The published remarks also call out transverse cracks on 12/30. Runway 03/21 is rough, has long grass and is unusable in wet weather. It is closed during winter months. Thresholds on 03/21 are marked with red cones. There is an 8-foot drainage ditch about 200 feet from the 03/21 thresholds.

For a first-time arrival, the big items are runway condition and surface choice. The asphalt runway is the practical option for most operations. Check the current Chart Supplement for any updated restrictions before you go. If you need clearance delivery, contact Salt Lake ARTCC at 801-320-2568.

Frequently asked questions

What is the longest runway at 4U6 Circle Town County Airport?

The longest runway is 12/30. It is 4,100 ft long and has an asphalt surface.

Does 4U6 have an ILS approach?

No ILS approaches are published for 4U6. Check the current Chart Supplement for the latest approach information before you file or launch.

What is the pattern altitude at 4U6?

Pattern altitude is not published in the facts. Use the standard 1,000 ft AGL pattern for light piston aircraft unless the current Chart Supplement says otherwise.

Is 4U6 towered?

No. 4U6 has no control tower. CTAF and UNICOM are both 122.8.

Which FBO is on the field at 4U6?

Circle Aviation is the on-field FBO. It carries 100LL. Call (406) 485-2481 for current services and availability.

Can I use runway 03/21 at 4U6 after rain?

The published remarks say runway 03/21 is unusable in wet weather. It is also rough, has long grass and is closed during winter months.

What runway lighting is available at 4U6?

Medium intensity runway lights are activated on runway 12/30. PAPI is activated on runways 12 and 30 by CTAF.

Are there any runway hazards at 4U6?

Yes. Runway 12/30 has transverse cracks at 100-foot intervals with significant width and depth. There is also an 8-foot drainage ditch about 200 feet from the runway 03/21 thresholds.

4U6