Ennis Big Sky Airport
EKS · KEKS · Ennis, Montana · Madison County · map
Ennis Big Sky Airport is a public-use airport owned by Madison County, 6 miles southeast of Ennis, Montana, 5,433 feet above sea level. Its one runway, 16/34, is 7,600 feet of asphalt. It has fuel (100LL avgas, Jet A-1, Jet A-1 with additive).
Weather right now KEKS · observed 3:10 pm MDT (21:10 UTC), 11 minutes ago
VFR good flying weather
- Wind variable at 3 knots
- Visibility 10 miles or more
- Temperature 77°F (25°C), dew point 25°F (-4°C)
- Altimeter 30.23 inHg
The forecast issued Tue 11:20 am MDT (17:20 UTC), good until Wed 12:00 pm MDT (18:00 UTC)
- From Tue 12:00 pm MDT (18:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 25,000 feet VFR
The codes as issued (METAR and TAF)
METAR KEKS 062110Z AUTO VRB03KT 10SM CLR 25/M04 A3023 RMK AO2
TAF KEKS 061720Z 0618/0718 VRB06KT P6SM FEW250
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA EKS · ICAO KEKS
- Kind
- Airport · open to the public · publicly owned
- Owner
- Madison County
- Elevation
- 5,433 feet above sea level
- Control tower
- No control tower
- Attended
- every day, 7:00 am to 5:00 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A-1, Jet A-1 with additive
- Repairs
- airframe: minor repairs; engine: minor repairs
- Parking
- hangar, tiedown
- On the chart
- Great Falls sectional
- Magnetic variation
- 12E
- In the FAA's files since
- August 1975
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 16/34 | 7,600 × 100 ft | Asphalt, excellent | Medium-intensity lights |
- Runway 16: PAPI, four lights on the left, right-hand traffic pattern, fence 56 ft high 1,765 ft from the end
- Runway 34: PAPI, four lights on the left
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| Approach and departure · Bozeman A Center (remote transmitter) Low | 118.975 | |
| Eks and aWOS-3P | 119.85 |
Automated weather (AWOS-3P), by phone 406-682-3835.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Ennis from the FAA register
26 aircraft are registered to owners in Ennis, Montana: 23 piston singles, 2 balloons, 1 piston twin. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in Montana.
Accidents and incidents at or near this airport NTSB records · 4 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Afld surface condition unmonitored 5:00 pm to 7:00 am.
- Activate medium-intensity runway lights runway 16/34 - the common traffic frequency. PAPI runway 16 and 34 operates continuously.
- 16/34 1020 feet dist mkrs each end.
- After hours credit card fueling.
- DE-ICING type 1 avail.
- Cold temperature airport. Altitude correction required at or below -24C.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.