1
Runway
1
Frequency
0
Procedures
Quick Facts
FAA
3U9
Elevation
4,968 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
46.212, -112.108
Airport Information
Facility Type
AIRPORT
Elevation
4,968 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
SALT LAKE CITY
Coordinates
46.2117, -112.1076
Ownership
Public
Hours of Operation
Current Weather
Nearby Weather Cameras
No camera at 3U9. Showing nearest cameras.
Helena Airport
South · Camera 3 · 4 cameras total
25 NM away
MacDonald Pass
North · Camera 1 · 4 cameras total
26 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 11/29 | 11 / 29 | 3,675 ft | 72 ft | TURF | - | - | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| CTAF | 122.9 | BOULDER | - | CTAF | - |
Airport Remarks
- NO SNOW REMOVAL
- NO PHONE ON AIRPORT.
- -2 FT DRAINAGE DITCH +1 FT BERM WEST SIDE OF RY FULL LENGTH; 43 FT FM RY 11/29 CNTRLN.
- FOR CD CTC HELENA APCH AT 406-449-5756/5761, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568.
- RY 11/29 THLDS & EDGES MARKED WITH WHITE CONES
- HAS 1% TO 3% UPHILL GRADIENT FROM RY 29 END TO RY 11 END.
Nearby airports & facilities
3U9
Boulder Airport
Boulder — <1 nm
MT43
KLIES AIR STRIP
BASIN — 13 nm
MT43
Klies Air Strip
Basin — 13 nm
MT96
RAM RANCH RUNWAY
HELENA — 17 nm
MT96
RAM RANCH RUNWAY
HELENA — 17 nm
MT41
Jefco Skypark Airport
Whitehall — 20 nm
MT41
JEFCO SKYPARK
WHITEHALL — 20 nm
MT06
DUNCAN
HELENA — 22 nm
MT06
Duncan Airport
Helena — 22 nm
MT83
Ten Mile Airport
Helena — 22 nm
MT83
TEN MILE
HELENA — 22 nm
1MT8
ST JAMES
BUTTE — 22 nm
Nearest airports
- 3U9 — Boulder Airport
Boulder
- MT43 — KLIES AIR STRIP
BASIN
- MT43 — Klies Air Strip
Basin
- MT96 — RAM RANCH RUNWAY
HELENA
- MT96 — RAM RANCH RUNWAY
HELENA
Montana airports
3U9 Operational Overview
Location & Facility
BOULDER (3U9) is a publicly owned airport open to the public located in BOULDER, Montana, United States. The field sits at an elevation of 4,968 feet above mean sea level (MSL) at coordinates 46.2117°N, 112.1076°W.
Runways
BOULDER has 1 runway. The longest runway (11/29) measures 3,675 feet by 72 feet with a turf surface.
Communications & Operations
BOULDER is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Weather Cameras
3 FAA Weather Cameras are available near BOULDER, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Frequently Asked Questions
What is 3U9?
3U9 is the ICAO identifier for BOULDER, a public-use airport located in BOULDER, Montana, United States.
How many runways does BOULDER have?
BOULDER (3U9) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 3U9?
The field elevation of BOULDER is 4,968 feet above mean sea level (MSL).
Is fuel available at 3U9?
No fuel types are currently listed for BOULDER. Contact the FBO directly for availability.
What is the longest runway at 3U9?
The longest runway at BOULDER is 3,675 feet long.
How do I access complete data for 3U9?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for BOULDER.
Where is BOULDER located?
BOULDER (3U9) is located in BOULDER, Montana, United States, at an elevation of 4,968 ft MSL.
Does 3U9 have weather cameras?
3U9 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.