Ennis Big Sky Airport
Daylight today(Sep 2, 2026, local time)
About 13h 17m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Ennis Big Sky Airport
Big Sky Airport is a county-owned, public-use airport located six nautical miles southeast of the central business district of Ennis, a town in Madison County, Montana, United States. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation airport.
Summary from Wikipedia licensed under CC BY-SA.
Live weather
KEKSNOTAMs
KEKSReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 16 / 34 | 7,600 ft / 2,316 m | 100 ft | Asp | Lighted | Open |
Radio frequencies (1)
| Type | Description | Frequency |
|---|---|---|
| UNIC | CTAF/UNICOM | 122.800 MHz |
Instrument procedures & charts
Instrument approaches (2)
Obstacle departure procedures (1)
Takeoff & alternate minimums (2)
Showing 5 of 5 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Nearby airports
Great-circle distance and true bearing from Ennis Big Sky Airport.
Frequently asked questions
What is the ICAO code for Ennis Big Sky Airport?
The ICAO code for Ennis Big Sky Airport is KEKS.
Where is Ennis Big Sky Airport located?
Ennis Big Sky Airport is small airport located in Ennis, United States, at an elevation of 5,423 ft (1,653 m).
How many runways does Ennis Big Sky Airport have?
Ennis Big Sky Airport has 1 runway, the longest being 7,600 ft / 2,316 m.
What time zone is Ennis Big Sky Airport in?
Ennis Big Sky Airport is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Ennis Big Sky Airport?
The magnetic variation (declination) at Ennis Big Sky Airport is approximately 11.3° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Ennis Big Sky Airport?
The nearest airport to Ennis Big Sky Airport is 66 Ranch Airstrip (47MT), about 5.4 nm to the wnw, followed by Montfort Ranch Airport and Ousel Falls Airport.
Is the information on this page suitable for flight planning?
No. Ennis Big Sky Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.