EKS
Ennis Big Sky Airport
Official FAA Data Effective 2026-05-14 0901Z
Chart Supplement
AF/D
AF/D
VFR Chart of KEKS
Sectional Charts at SkyVector.com
IFR Chart of KEKS
Enroute Charts at SkyVector.com
Location Information for KEKS
Coordinates: N45°16.54' / W111°38.93'
Located 06 miles SE of Ennis, Montana. View all Airports in Montana.
Surveyed Elevation is 5432 feet MSL.
Operations Data
Airport Use:Open to the public
Activation Date:August 1975
Status:Operational
Control Tower:No
Seg-Circle:Yes
Beacon:White-Green
(Lighted Land Airport)
Wind Indicator:Yes, Lighted
Lighting Schedule:SEE RMK
A.R.T.C.C.:SALT LAKE CITY
F.S.S.:GREAT FALLS
NOTAMs Facility:GTF (NOTAM-D available)
Sectional Chart:GREAT FALLS
AirspaceAnalysis:NO OBJECTION
Attendance:ALL/ALL/0700-1700
Airport Communications
AWOS-3P:119.85 Tel. 406-682-3835
BIG SKY APPROACH:118.975 226.675
BIG SKY DEPARTURE:118.975 226.675
CTAF:122.800
UNICOM:122.800
AWOS-3PT at RVF (32.0 NW):119.025 406-684-5285
ASOS at BZN (36.7 NE): 406-388-4882
ATIS at BZN (36.7 NE):135.425
Remarks:
  • APCH/DEP CTL SVC PRVDD BY SALT LAKE CITY ARTCC (ZLC) ON FREQS 118.975/226.675 (BOZEMAN A RCAG) WHEN BIG SKY APCH CTL (BOI) IS UNAVAILABLE 0615-1200Z++.
Nearby Navigation Aids
IDNameFreqRadial / Range
VOD BZN BOZEMAN 112.40 196°36.9
VOD DLN DILLON 113.00 069°38.1
VOD HIA WHITEHALL 113.70 129°41.5
VOD WYS WEST YELLOWSTONE 114.85 317°42.3
IDNameFreqBearing / Range
VOD LO TARGY 415 155°46.2
Runway 16/34
Dimensions:7600 x 100 feet / 2316 x 30 meters
Surface:Asphalt / Grooved in Excellent Condition
Weight Limits:34 /F/B/X/U, S-87, D-138, ST-236
Edge Lighting:Medium Intensity
Runway 16Runway 34
Coordinates:N45°17.17' / W111°38.99'N45°15.92' / W111°38.88'
Elevation: 5432.6 5348.9
Traffic Pattern: Right
Runway Heading: 177° True 357° True
Markings:Non-Precision Instrument in good condition.Non-Precision Instrument in good condition.
Glide Slope IndicatorP4L (3.00° Glide Path Angle)P4L (3.00° Glide Path Angle)
Obstacles: 56 ft Fence 1765 ft from runway, 350 ft right of center
Services Available
Fuel:100LL (blue), Jet A-1, Jet A-1+
Transient Storage:Hangars,Tiedowns
Airframe Repair:MINOR
Engine Repair:MINOR
Bottled Oxygen:NOT AVAILABLE
Bulk Oxygen:NOT AVAILABLE
Other Services:AIR AMBULANCE SERVICES,CHARTER SERVICE,PILOT INSTRUCTION,AIRCRAFT RENTAL
Ownership Information
Ownership:Publicly owned
Owner:MADISON COUNTY
MADISON COUNTY COURTHOUSE, PO BOX 278
VIRGINIA CITY, MT 59755-0278
406-843-4277
Manager:TROY HUNTER
35 AIRPORT ROAD
ENNIS, MT 59729
406-682-7502
Other Remarks
  • AFLD SFC COND UNMONITORED 1700-0700.
  • FOR SVC AFTER HRS CALL (406) 682-7502.
  • AFTER HRS CREDIT CARD FUELING.
  • DE-ICING TYPE 1 AVAIL.
  • FOR CD CTC BIG SKY APCH AT 208-364-5860/5861, IF UNABLE CTC SALT LAKE ARTCC AT 801-320-2568.
  • COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C.
  • 16/34 1020 FT DIST MKRS EACH END.
  • ACTVT MIRL RWY 16/34 - CTAF. PAPI RWY 16 & 34 OPR CONSLY.
Weather Minimums
Instrument Approach Procedure (IAP) Charts
Departure Procedure Obstacles (DPO) Charts
Nearby Airports with Instrument Procedures
IDNameHeading / Distance
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