wxdecoder
MT40

Horner Field

Great Falls, MontanaElevation 3,429 ftSmall airport

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RUNWAYS

Runway detail & declared distances

3 runways · longest 4,809 ft

13/31
Dimensions
1,600 x 90 ft
Surface
Turf
RWY 13
RWY 31
09/27
Dimensions
1,300 x 90 ft
Surface
Turf
RWY 09
RWY 27
03/21
Dimensions
2,350 x 90 ft
Surface
Turf
RWY 03
RWY 21

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Horner Field is in Great Falls, Montana. Field elevation 3,429 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerSHANE LINSE
Manager phone406-671-6105
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAMT40
SectionalBILLINGS
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionMontana
CountryUnited States
Coordinates47.5937, -111.2700
Distance from city7 NM W
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›FOR CD CTC BILLINGS APCH AT 406-255-2798
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗MT40 on OurAirports
FREQUENTLY ASKED
Does MT40 have a METAR?
No on-field METAR is issued for MT40. This page uses the nearest reporting station as a reference.
Does MT40 have a TAF?
No TAF is issued directly for MT40. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at MT40?
MT40 sits at 3,429 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for MT40?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.