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Ennis Big Sky Airport
KEKS EKS (Ennis, MT)
Class G: untowered

Elevation: 5432

Rwy	Size	Type	Cond.
16/34	7600x100	Asphalt	Excellent

Chart Supplement (pdf version)

ENNIS BIG SKY (EKS)(KEKS) 6 SE UTC–7(–6DT) N45º16.54´ W111º38.93´

5433 B NOTAM FILE GTF
RWY 16–34: H7600X100 (Grooved Asphalt) S–87, D–138, 2D–236 Pavement Classification Number 34 F/B/X/U MIRL 1.1% up N

RWY 16: PAPI(P4L)—GA 3.0º TCH 38´. Fence. Right Traffic.

RWY 34: PAPI(P4L)—GA 3.0º TCH 40´. SERVICE: S2 FUEL 100LL, JET A1, A1+

LIGHTING ACTIVATE MIRL Runway 16–34—CTAF. PAPI Runway 16 and Runway 34 operates continuously.

AIRPORT REMARKS: Attended 1400–0000Z‡. Airfield surface condition unmonitored 0100–1400Z‡. For service after hours call 406–682–7502. After hours credit card fueling. Deicing type 1 available. Runway 16–34 1020 foot distance markers each end. Cold temperature airport. Altitude correction required at or below –24C.

AIRPORT MANAGER: 406-682-7502
WEATHER DATA SOURCES: AWOS–3P 119.85 (406) 682–3835.
COMMUNICATIONS: CTAF/UNICOM 122.8
® BIG SKY APPROACH/DEPARTURE CONTROL 118.975 (1200–0615Z‡), other times contact
® SALT LAKE CENTER APPROACH/DEPARTURE CONTROL 118.975 CLEARANCE DELIVERY PHONE: For clearance delivery contact Big Sky Approach at 208-364-5860/5861, if unable contact Salt Lake ARTCC at 801-320-2568.

RADIO AIDS TO NAVIGATION: NOTAM FILE BZN.

BOZEMAN (VH) (DH) VORW/DME 112.4 BZN Chan. 71 N45º47.03´ W111º09.33´ 196º 36.9 NM to field. 4436/18E. VOR unusable:

000º–105º beyond 20 NM

106º–180º beyond 40 NM

181º–191º beyond 40 NM below 15,000´

181º–191º beyond 56 NM below 18,000´

192º–253º beyond 40 NM

254º–264º beyond 40 NM below 9,000´

254º–264º beyond 48 NM

265º–279º beyond 40 NM

295º–314º beyond 40 NM

315º–325º beyond 40 NM below 10,000´

315º–325º beyond 49 NM

326º–359º beyond 40 NM DME unusable:

350º–105º beyond 20 NM

Approach	Type	Cat B Mins	Plate
RNAV (GPS) RWY 16	LPV LNAV/VNAV LNAV C CIRCLING	5708-1 6625-5 6160-1¼ 6160-1¼	chart
RNAV (GPS) RWY 34	LPV LNAV/VNAV LNAV C CIRCLING	5645-1 5952-1¾ 6220-1¼ 6220-1¼	chart

Database updated: 2026/03/19

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