4U6

VFR

CIRCLE TOWN COUNTY

CIRCLE · MONTANA

Elev
2,441.4'
Longest RWY
4,100'12/30
Tower
None
Status
Uncontrolled
Now--Z· METAR14:56Z
Satellite top-down sketch of 4U6 CIRCLE TOWN COUNTY showing runway layout — runways 12/30, 03/21
Runways rendered from FAA survey · not for navExpand →
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 +14 · X/W 8 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 14:56Z

KGDV 111456Z AUTO 29016G21KT 10SM FEW012 BKN065 OVC110 13/11 A2985 RMK AO2 SLP107 60001 T01330111 51022 TSNO $
Wind
290° @ 16G21 kt
Visibility
10 SM
Temp / Dew
13°C / 11°C
Altimeter
29.85 inHg
Clouds
OVC
Density alt
2,874 ft
Ceiling
6,500 ft AGL
Rules
VFR

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
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° · 16 kt
RWY 30
311°M
Head/Tail
+14 kt
Crosswind
8 kt L

Pattern entry · RWY 30

LEFT TRAFFIC
CrosswindCrosswindDownwindDownwindBaseBaseFinalFinal45° entry45° entryRWY 30 · 311° · LEFT TRAFFICPattern 3,441 ft MSL
RunwayHeading (°M)LengthSurfaceTraffic
12/30Favored131° / 311°4,100 ftASPHStandard L
03/2139° / 220°2,280 ftTURFStandard L

Runway end performance

EndTORATODAASDALDAVGSIApproach lightsObstruction
12PAPI 2-box left(3°)
30PAPI 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 satellite imagery. Not for navigation.

Top-down satellite sketch of 4U6 CIRCLE TOWN COUNTY in CIRCLE, MONTANA, showing runways 12/30, 03/21 drawn to scale over Esri World Imagery

Approaches & charts

RNAV (GPS) RWY 12
4U6 · IAP
Can’t preview this PDF inline. Open it →

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.

Airport notes

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

General notes

  • HAS -8 FT DRAINAGE DITCH 200 FT FM RY 03/21 THLDS.
  • FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.

Lighting notes

  • ACTVT MIRL RY 12/30 & PAPI RY 12 AND RY 30 - CTAF.

Runway surface & condition

  • 03/21CLSD WINTER MONTHS.

Approach & departure obstructions

  • 0303/21 THRS MKD WITH RED CONES.

Other notes

  • 03/21RWY IS RUF, WITH LONG GRASS, RWY EDGES ARE NOT MKD.
  • 12/30TRANSVERSE CRACKS AT 100 FT INTVLS WITH SGFNT WID AND DPT.
  • 03/21UNUSBL IN WET WEATHER.

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
Current flight rules
VFR
Current wind
290° at 16 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.

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