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KEKS · Ennis Big Sky Airport

ICAO · US · 4 NTSB events

ID KEKS FAA EKS Elev 5,423 ft Lat 45° 16.31' N Lon 111° 38.94' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

2 runway ends on file. Longest: 7,600 ft. Max gradient: 1.10% (noticeable slope — affects performance)

Designator Heading Length Width Surface Lighting Gradient
16 176.6° 7,600 ft 100 ft ASP Yes 1.10%
34 356.6° 7,600 ft 100 ft ASP Yes 1.10%

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 1 frequencies

  • UNIC CTAF/UNICOM 122.800

Live ATC audio (streaming + archived): Open KEKS on LiveATC ↗

Chart Supplement remarks, plain English · cycle 22JAN2026 · 3 matched · 23 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Non-standard pattern direction on Runway 16–34: right traffic. Watch for traffic from the opposite quadrant.
  • ·Pilot-controlled lighting: click mic 7 times on the CTAF to activate MIRL Rwy 16–34. Lights stay on 15 minutes — click again to refresh.

Watch for

  • Non-standard pattern direction on Runway 16–34: right traffic. Watch for traffic from the opposite quadrant.

    right traffic

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MIRL Rwy 16–34. Lights stay on 15 minutes — click again to refresh.

    pcl ctaf

All translated remarks (3)

  • Non-standard pattern direction on Runway 16–34: right traffic. Watch for traffic from the opposite quadrant.

    Raw FAA text · radio aids · operational

    RWY 16–34: H7600X100 (ASPH–GRVD) S–87, D–138, 2D–236 PCN 34…

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MIRL Rwy 16–34. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · service · operational

    ACTVT MIRL Rwy 16–34—CTAF

  • Airport attended 1400–0000Z‡. Self-service or limited operations outside attended hours.

    Raw FAA text · airport remarks · advisory

    Attended 1400–0000Z‡.

Not yet translated · raw FAA text (23 sentences)
  • ·110 MONTANA EKALAKA (97M) 2 SE UTC–7(–6DT) N45º52.59´ W104º32.25´ 3505 B NOTAM FILE GTF RWY 13–31: H3798X75 (ASPH) S–12.5 MIRL 0.8% up SE RWY 13: PAPI(P2L)—GA 3.0º TCH 24´.
  • ·RWY 31: PAPI(P2L)—GA 3.0º TCH 29´.
  • ·FUEL 100LL LGT Dusk–0700Z‡.
  • ·MIRL Rwy 13–31 and PAPI Rwy 13 and Rwy 31 preset medium ints dusk–0700Z‡; other hrs ACTVT—CTAF.
  • ·Fuel avbl self svc credit card 24/7.
  • ·Bcn is lctd 1 mi NE on hill top.
  • ·AIRPORT MANAGER: 406-853-5377
  • ·CTAF 122.9 TOWER HILL RCO 122.3 (GREAT FALLS RADIO) ®SALT LAKE CENTER APP/DEP CON 126.85 CLEARANCE DELIVERY PHONE: For CD if una to ctc on FSS freq, ctc Salt Lake ARTCC at 801-320-2568.
  • ·MILES CITY (VH) (DH) VORW/DME 112.1 MLS Chan 58 N46º22.93´ W105º57.21´ 108º 66.4 NM to fld. 2666/9E.
  • ·RWY 34: PAPI(P4L)—GA 3.0º TCH 40´.
  • ·PAPI Rwy 16 and Rwy 34 opr consly.
  • ·Afld sfc cond unmonitored 0100–1400Z‡.
  • ·For svc after hrs call 406–682–7502.
  • ·After hrs credit card fueling.
  • ·De–icing type 1 available.
  • ·Rwy 16–34 1020 ft dist mkrs each end.
  • ·Cold temperature airport.
  • ·Altitude correction required at or below –24C.
  • ·AIRPORT MANAGER: 406-682-7502
  • ·AWOS–3P 119.85 (406) 682–3835.
  • ·CTAF/UNICOM 122.8 ®BIG SKY APP/DEP CON 118.975 (1200–0615Z‡), other times ctc ®SALT LAKE CENTER APP/DEP CON 118.975 CLEARANCE DELIVERY PHONE: For CD ctc Big Sky Apch at 208-364-5860/5861, if unable ctc Salt Lake ARTCC at 801-320-2568.
  • ·BOZEMAN (VH) (DH) VORW/DME 112.4 BZN Chan 71 N45º47.03´ W111º09.33´ 196º 36.9 NM to fld. 4436/18E.
  • ·VOR unusable: 000º–105º byd 20 NM 106º–180º byd 40 NM 181º–191º byd 40 NM blo 15,000´ 181º–191º byd 56 NM blo 18,000´ 192º–253º byd 40 NM 254º–264º byd 40 NM blo 9,000´ 254º–264º byd 48 NM 265º–279º byd 40 NM 295º–314º byd 40 NM 315º–325º byd 40 NM blo 10,000´ 315º–325º byd 49 NM 326º–359º byd 40 NM DME unusable: 350º–105º byd 20 NM BILLINGS L–13E IAP GREAT FALLS H–1D, L–13C IAP NW, 22 JAN 2026 to 19 MAR 2026

Field profile

Use

Public-use

Ownership

Public

Scheduled service

No

Tags

5U3

Source: OurAirports community

NTSB events

4 NTSB-recorded events on file at this airport .

Operations volume

FAA TAF · history through 2024

2006 2024

Peak: 12,350 ops in 2017

2024 total

12,350

10-yr total

123,200

2024 mix

AC/AT 6% · GA 93% · Mil 1%

Events / million ops

16.2

last 10 years

Fatal / million ops

0.00

approximate · 10-yr scaled

Last 10 years · n=3

  • Gear-up landing 2
  • Weather · wind / icing / convective 1

All time · n=4

  • Gear-up landing 2
  • Engine failure / power loss 1
  • Weather · wind / icing / convective 1

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Gregory Bruce Mecklenburg Bozeman MT 35 nm
Jeffrey Cook Bozeman MT 35 nm
Peta Sarah Sheridan Bozeman MT 35 nm
Abraham Lloyd Fandrich Clancy MT 72 nm
Marc Nelson Ballif Idaho Falls ID 108 nm
Thomas Jay Kohler Idaho Falls ID 108 nm
Benjamin James Atnip Cody WY 119 nm
Christopher Lee Farmer Laurel MT 123 nm
Kent William Potter Laurel MT 123 nm
Alejandro Anduze Billings MT 134 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Charles Runyon Hall Jr Ennis MT 6 nm
Frank John Suslavich Ennis MT 6 nm
Ardeth Kay Eastvold Ennis MT 6 nm
Paul James Eastvold Ennis MT 6 nm
John Arthur Hale Ennis MT 6 nm
Timothy John Cherwin Ennis MT 6 nm
Skyler Colten Vaughan Mc Allister MT 15 nm
Stephan Spearing Robinson Gallatin Gateway MT 27 nm
Katherine Marie Gannon Gallatin Gateway MT 27 nm
Terry Francis Albertson Bozeman MT 35 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Paul James Eastvold Ennis MT 6 nm
William Arthur Witt Ennis MT 6 nm
John Allen Padilla Ennis MT 6 nm
Ordean Alvin Anderson Big Sky MT 13 nm
John Curtis Palmer Big Sky MT 13 nm
Gary Francis Saindon Big Sky MT 13 nm
James Alan Tefertiller Norris MT 18 nm
Charles Edward Kirchmeyer Pony MT 26 nm
Russell Lloyd Baty Sheridan MT 26 nm
Robert L Lawyer Sheridan MT 26 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
JL Aerospace
Three Forks, MT
37 nm
Million Air Bozeman
Belgrade, MT
37 nm
Pristine Jets
Belgrade, MT
37 nm
Dustin's Aircraft Maintenance and Upholstery
Great Falls, MT
140 nm
Pristine Jets
Missoula, MT
143 nm
Montana Aviation Maintenance, LLC
Cut Bank, MT
202 nm
Skyline Aircraft Maintenance
Nampa, ID
232 nm
Advanced Avionics Solutions, LLC
Hayden, ID
261 nm
Atlas Aero Service
Casper, WY
265 nm
Natrona Avionics, LLC
Casper, WY
265 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.