3U7

VFR

BENCHMARK

AUGUSTA · MONTANA

Elev
5,434'
Longest RWY
6,000'12/30
Tower
None
Status
Uncontrolled
Now--Z· METAR05:53Z
© Esri
Runways rendered from FAA survey · not for navExpand →
Before you fly into 3U7
Conditions
VFR
Good for visual flying
Airport
Non-towered
Self-announce on CTAF
Pattern alt
6,434'
MSL · field 5,434' + 1,000 AGL
Favored RWY
Calm
No wind component

METAR & TAF 3U7

3U7 does not publish a METAR.

Showing the nearest reporting station: KMSO (MISSOULA MONTANA) · 60.2 NM away. Conditions at 3U7 may differ.

METAR · KMSO

Observed 05:53Z

KMSO 290553Z AUTO 00000KT 10SM BKN080 04/03 A3016 RMK AO2 SLP227 60000 T00440028 10122 20039 53010 $
Wind
000° @ 0 kt
Visibility
10 SM
Temp / Dew
4°C / 3°C
Altimeter
30.16 inHg
Clouds
BKN
Density alt
5,121 ft
Ceiling
8,000 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
19 NM W
VFR sectional
GREAT FALLS
ARTCC
ZLC · SALT LAKE CITY
NOTAM facility
GTF (NOTAM-D)

Airport manager

Name
BJORN TROBERG
Address
HELENA & LEWIS & CLARK NAT FORESTS, 2880 SKYWAY DRIVE, HELENA MT 59602

Flight service · Hours

FSS GTF
GREAT FALLS1-800-WX-BRIEF
Attendance
  • Unattended

Frequencies

Tap any row to copy the frequency to your clipboard.

Advisory / CTAF

Runways & pattern

Full page

Runway & wind

tap a runway
Calm
RWY 12
122°M
Head/Tail
+0 kt
Crosswind
0 kt L

Pattern entry · RWY 12

LEFT TRAFFIC
CrosswindCrosswindDownwindDownwindBaseBaseFinalFinal45° entry45° entryRWY 12 · 122° · LEFT TRAFFICPattern 6,434 ft MSL
RunwayHeading (°M)LengthSurfaceTraffic
12/30122° / 302°6,000 ftASPHStandard L

Runway end performance

EndTORATODAASDALDAVGSIApproach lightsObstruction
1239', trees, 372' from thr, 0' R of cntrln, slope 4
3041', trees, 461' from thr, 0' R of cntrln, slope 6

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.

© Esri

Approaches & charts

Chart Supplement
3U7 · CHART_SUPP
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
Not available

Ramp & ground

Transient storage
  • Tie-down
Landing fee
No fee published
Customs
Not available
Wind indicator
Yes
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

  • Snow removal is not available.Show FAA
  • For clearance delivery contact Salt Lake ARTCC at 801-320-2568.Show FAA
  • Mountains parallel east and west; in transition surface.Show FAA
  • Phone is not available; cabin is 1 mile northwest.Show FAA
  • Services are not available.Show FAA

Runway surface & condition

  • 12/30Possible moderate to severe crosswind and turbulence.Show FAA

Approach & departure obstructions

  • 30Recommended departure condition is positive mean tide gauge.Show FAA
  • 12Runway 12 rises uphill 120 feet with rising terrain beyond.Show FAA
  • 12There are 58-foot trees on the runway centerline at runway 12.Show FAA
  • 30There are 250-foot trees on the runway centerline at runway 30.Show FAA
  • 12There is a 33 to 1 slope to the threshold. There are 65-foot trees 0 to 150 feet right, 2150 feet from the runway end at runway 12.Show FAA

Other notes

  • Within Lewis and Clark National Forest.Show FAA
  • Three wind direction indicators are located at both runway ends and midpoint.Show FAA
  • 12/30Large cracks and weeds are present along the full length of runway 12/30.Show FAA

VFR map & nearby airports

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

Key facts · 3U7

Answer card
ICAO
3U7
Name
BENCHMARK
Location
AUGUSTA, MONTANA
Elevation
5,434 ft MSL
Traffic pattern altitude
6,434 ft MSL (1,000 AGL)
Control tower
Non-towered (use CTAF)
Total runways
1
Longest runway
12/30 · 6,000 ft
Published ILS approaches
0
Published frequencies
1
Magnetic variation
18°
Current flight rules
VFR
Current wind
000° at 0 kt
Favored runway now

Benchmark Airport sits near Augusta, Montana. The field elevation is 5,434 ft MSL. It has one runway, 12/30, at 6,000 ft. There is no control tower. CTAF is 122.9. No ILS approaches are published here.

Pattern altitude is not published. Use the standard 1,000 ft AGL pattern unless the current Chart Supplement says otherwise. That puts the light piston pattern at about 6,434 ft MSL. The airport sits in Lewis and Clark National Forest. Mountains lie parallel east and west. The remarks also call out rising terrain beyond runway 12. Runway 12 has a 120 ft uphill rise. The runway also has large cracks and weeds along its full length. Snow removal is not available.

There are no on-field FBOs listed. Plan on self-briefing the airport operator or the FBO directly by phone if you need local services. The published remarks also note trees near both runway ends. There are 58 ft trees on the runway centerline at runway 12. There are 250 ft trees on the runway centerline at runway 30. Expect crosswind and turbulence issues in the area. Clearance delivery is handled through Salt Lake ARTCC at 801-320-2568. For a first visit, treat this as a high-elevation mountain field with terrain, wind and runway condition concerns all in play.

Frequently asked questions

What is the pattern altitude at 3U7 Benchmark Airport?
Pattern altitude is not published. Use the standard 1,000 ft AGL pattern for light piston aircraft unless the current Chart Supplement says otherwise. That is about 6,434 ft MSL.
Does Benchmark Airport have any ILS approaches?
No ILS approaches are published for 3U7. Check the current Chart Supplement for the latest approach list before you go.
Is 3U7 towered?
No. Benchmark Airport has no control tower. CTAF is 122.9.
What is the longest runway at Benchmark Airport?
The airport has one runway. Runway 12/30 is 6,000 ft long and is the longest runway on the field.
What runway condition issues are published for 3U7?
The remarks say large cracks and weeds are present along the full length of runway 12/30. Snow removal is not available, so check field conditions before arrival.
Are there terrain or obstacle concerns at Benchmark Airport?
Yes. The remarks call out mountains parallel east and west, rising terrain beyond runway 12, trees near both runway ends, plus 58 ft trees on the centerline at runway 12. There are also 250 ft trees on the centerline at runway 30.
Which FBOs are on the field at 3U7?
No on-field FBOs are listed. Contact the airport operator directly before arrival, or call the field on CTAF for current FBO availability.
How do I get clearance for departure from Benchmark Airport?
The published remarks say to contact Salt Lake ARTCC at 801-320-2568 for clearance delivery. Verify current procedures with the Chart Supplement before departure.

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