FAA facility Airport

ENNIS BIG SKY

ENNIS, MONTANA FAA EKS ICAO KEKS Open to the public

Open View on OpenStreetMap

Runways

1 record · drawn to relative scale

16/34 7,600 × 100 ft · Asphalt (excellent) · Medium-intensity edge lights

16 34

Runway-end details

Runway 16/34 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
16 RP	177°	—	PAPI · 4-light · left side	—	—	—
34	357°	—	PAPI · 4-light · left side	—	—	—

Communications

7 published frequencies

Published communications frequencies
Use	Frequency	Hours
APCH/P DEP/P	118.975	—
BOZEMAN A RCAG	118.975	—
EKS AWOS-3P	119.85	—
CTAF	122.8	—
UNICOM	122.8	—
APCH/P DEP/P	226.675	—
BOZEMAN A RCAG	226.675	—

FAA listing history

Identities observed in NASR snapshots

ENNIS BIG SKY Observed 2024-06-13 through 2026-07-09 KEKS

Dates describe available FAA snapshots, not exact opening, closure or construction dates.

Material changes

First observed in NASR cycles

No public material changes are recorded yet.

Facility facts

FAA / ICAO: EKS / KEKS
Type: Airport A
Status: Open
Ownership: Publicly owned
Use: Open to the public
Activated: 1975-08
Part 139: Not certificated
Fuel: 100LL JET A1 JET A1+
Repair: Airframe: Minor
Powerplant: Minor
Tower: No control tower

Location

City: ENNIS, MT
County: Madison
FAA region: Northwest Mountain region
Coordinates: 45.27572, -111.64892
Elevation: 5,432.6 ft (3RD PARTY SURVEY)

View coordinates on OpenStreetMap

Weather stations

EKS Commissioned 2015-06-25 AWOS-3P

Wildlife strikes

2Reported strikes

1With damage

0Injuries

Latest matched event: 2021-10-10. Safety-event data, separate from NASR infrastructure facts.

FAA NASR cycle effective 2026-08-06. Operational information changes every cycle — consult current FAA publications, the Chart Supplement and NOTAMs before flight.