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Reference only — not for real-world navigation.

K3U7

Benchmark Airport · Augusta

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
5,434 ft / 1,656 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 122.90 MHz (CTAF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
12/30 · 6,000 ft · AsphaltUNLIT
Flight Planning
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Welcome to the technical flight briefing for Benchmark Airport (K3U7), located in Augusta, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 5,434 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.

Airport Details

Full geographical and organizational metadata.

Full Name
Benchmark Airport
ICAO / IATA
K3U7 / —
Municipality
Augusta
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
5,434 ft

Pilot Toolbox

External charts, live tracking and weather reports.

🗺️ SkyVector Charts📡 FlightAware Live🌡️ Live METAR🌦️ TAF Forecast🌍 Satellite View

Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 12 / 30
UNLIT
Runway Length: 6,000 ft / 1,829 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 137° / 317°
RWY 12 (137°)
No ILS / Visual Only
RWY 30 (317°)
No ILS / Visual Only

Communication Frequencies

Air traffic control and advisory channels.

CTAF CTAF
122.90 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

KMSOILS
Missoula International Airport
112 km / 60 nm
KGTFILS
Great Falls International Airport
113 km / 61 nm
KHLNILS
Helena Regional Airport
118 km / 64 nm
KCTB
Cut Bank International Airport
131 km / 71 nm
KGPIILS
Glacier Park International Airport
138 km / 75 nm

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026