Ascension FBO EKS
Ascension FBO EKS is a Ascension FBO FBO at Ennis Big Sky Airport (EKS / KEKS) in Ennis, Montana. Confirmed by the operator on 2026-09-02.
About Ascension FBO EKS
Ascension Ennis–Big Sky serves the closest airport to the Big Sky resorts, in the heart of Montana’s fly-fishing country and near Yellowstone National Park. The FBO handles aircraft year-round for ski, fishing, and leisure traffic.
Hangar space accommodates aircraft up to a Gulfstream IV. Aircraft maintenance, Type I de-icing, GPU, rental cars, a crew car, catering, a conference room, and Wi-Fi are on site.
What Ascension FBO EKS offers
- Jet A & 100LL
- Hangar to Gulfstream IV
- Aircraft maintenance
- Type I de-ice
- GPU
- Rental cars
- Crew car
- Catering
- Conference room
- Wi-Fi
Details
- Airport
- Ennis Big Sky Airport · EKS / KEKS
- Location
- 35 Runway Road, Ennis, MT 59729 (Madison County)
- Phone
- (406) 682-7502
- Hours
- 8:00 AM – 5:00 PM
- Operator
- Ascension FBO
- Fuel on the field
- 100LL avgas, Jet A-1, Jet A-1 with additive
- Control tower
- No
- Repair on the field
- Airframe: minor · Powerplant: minor
- Services on the field
- Air ambulance, Charter, Flight instruction, Aircraft rental
- Ownership
- Publicly owned, public use · 5,433 ft elevation
- Airport links
- Wikipedia ↗
- Website
- ascensionfbo.com ↗
- Status
- Verified · confirmed by the operator 2026-09-02
On the field at EKS
Ascension FBO EKS is the only FBO listed at Ennis Big Sky Airport so far.
Planning a trip through EKS?
Handling at Ascension FBO EKS is arranged with the FBO. For international or multi-leg trips, a trip-support desk such as Aviation Services Management (ASM), Icarus Jet or Universal Weather and Aviation books the FBO, fuel and permits on the crew’s behalf; the ramp itself runs on ground support equipment from the suppliers in that category.
Questions about Ascension FBO EKS
- What fuel does Ascension FBO EKS offer at EKS?
- The FAA record for Ennis Big Sky Airport lists 100LL avgas, Jet A-1, Jet A-1 with additive on the field. Fuel brand, current prices and ramp or handling fees are set by the operator — confirm them with Ascension FBO EKS directly at (406) 682-7502 before arrival.
- Which other FBOs operate at Ennis Big Sky Airport?
- Ascension FBO EKS is the only FBO the Register lists at EKS so far. FBOs are added from operators' own location pages; if another operator is on the field, they can add it free.
- Who arranges trip support and ground support equipment for a flight through EKS?
- Handling at Ascension FBO EKS is arranged with the FBO itself; international or complex trips are often coordinated by a trip-support desk that books the FBO, fuel and permits on the crew's behalf — the Register's Trip Support & Flight Planning category lists Aviation Services Management (ASM), Icarus Jet, Universal Weather and Aviation and others. Ground support equipment for the ramp (tugs, GPUs, deicing, lav and fuel carts) comes from the suppliers in the Ground Support Equipment category.