Ennis Big Sky Airport
EKS · KEKS · Ennis, MT · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-03 · night begins 09:25 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:40 AM | 11:40Z |
| Sunrise | 06:13 AM | 12:13Z |
| Sunset | 08:52 PM | 02:52Z |
| Evening civil twilight Loggable night begins | 09:25 PM | 03:25Z |
Plan a flight from KEKS
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
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Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 16RIGHT trafficRP · charted
- Heading
- 165° mag · 177° true
- Dimensions
- 7,600 × 100 ft
- TPA
- 6,400 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 4-light PAPI (left) (3°)
- CTAF
- 122.8
Enter the right downwind (heading 345°) on the 45° at 6,400 ft MSL (≈1,000 AGL).
More details — RWY 16
- Threshold elev
- 5,433 ft
- Markings
- nonprecision
- Approach obstacle
- Fence, 56 ft, 1,765 ft from threshold, 350 ft L of centerline — 27:1 slope to clear
- Threshold crossing height
- 38 ft
- TDZ elevation
- 5,433 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 16/34 | 7,600 ft |
Prefer one flat page? Full runway details for KEKS → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KEKS kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Big Sky”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 226.675 | APCH/P DEP/P · BOZEMAN A RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
BZN 112.40 · DLN 113.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BZN · Bozeman | VOR/DME | 112.40 · 71X | High | r196° / 37.1 NM |
| DLN · Dillon | VOR/DME | 113.00 · 77X | High | r070° / 38 NM |
Prefer one flat list? All KEKS frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KEKS, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KEKS
- Coordinates
- 45.2718, -111.6490
- Elevation
- 5,433 ft MSL
- Magnetic variation
- 12E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3P · 119.85 · ☎ 406-682-3835
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- NOTAM facility
- GTF
- Attendance
- ALL 0700-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1975/08
- Distance from city
- 6 SE
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RWY 16/34 - CTAF. PAPI RWY 16 & 34 OPR CONSLY. on 122.8 — Chart Supplement ↗
Runway lighting aids — 16: 4-light PAPI (left) · 34: 4-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A-1, Jet A-1 (additive)
- Airframe service
- MINOR
- Powerplant service
- MINOR
- Parking
- tiedowns, hangars
- Other services
- Air ambulance, Charter, Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 8 notes
General
- 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.
Runways
- 16/34 1020 FT DIST MKRS EACH END.
Lighting
- ACTVT MIRL RWY 16/34 - CTAF. PAPI RWY 16 & 34 OPR CONSLY.
Embed KEKS weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KEKS — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: 47MT 66 Ranch Airstrip (private) (5 NM) · MT68 Montfort Ranch Airport (private) (6 NM) · MT94 Ousel Falls Airport (private) (14 NM) · 1MT0 Nine Quarter Circle Ranch Airport (private) (19 NM) · 2MT5 Briar Creek Airport (private) (29 NM) · 24MT Haggerty Airport (private) (31 NM)
About KEKS
Ennis Big Sky Airport (EKS · KEKS) is an airport in Ennis, MT, at 5,433 ft MSL. It has 1 runway, the longest 7,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KEKS, refreshed from the Aviation Weather Center and FAA NASR.
Does KEKS have a control tower?
No. Ennis Big Sky Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KEKS?
Ennis Big Sky Airport has 1 runway; the longest is 7,600 ft. See the Runways section for headings, surface, and lighting.
Where is KEKS?
Ennis Big Sky Airport is in Ennis, MT, at an elevation of 5,433 ft MSL. Coordinates: 45.2718, -111.6490.
Fly out of KEKS often?
Save KEKS as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KEKS in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.