K7S1

Ruby Valley Field

Twin Bridges, MontanaElevation 4,777 ftSmall airport

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RUNWAYS

Runway detail & declared distances

2 runways · longest 6,000 ft

17/35
Dimensions
6,000 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 17182°T
VGSIPAPI (P2L)
Traffic patternLeft
RWY 352°T
VGSIPAPI (P2L)
Traffic patternLeft
07/25
Dimensions
2,866 x 100 ft
Surface
Turf
RWY 0783°T
Traffic patternLeft
RWY 25264°T
Traffic patternLeft

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

AIRPORT INFORMATION

Facility & services

Ruby Valley Field is in Twin Bridges, Montana. Field elevation 4,777 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerKENDRA HORN
Manager phone(406) 684-5335
AttendedALL MON-FRI, 0800–1700
CHARTS & AIRSPACE
ICAO / IATAK7S1
SectionalGREAT FALLS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates45.5337, -112.3003
Distance from city2 NM SE
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.900
FREQUENCIES

Communications

122.9
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

ACTVT PAPI RWY 17 & 35; MIRL RWY 17/35 - CTAF.
FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
AFLD SFC COND UNMONITORED.
DEER & ANTELOPE ON & INVOF ARPT.
195 FT TALL TOWER 1.4 NM 'NE' OF RY 17 THRESHOLD.
OR (406) 684-5335.
FREQUENTLY ASKED
Does K7S1 have a METAR?
Yes. K7S1 is a METAR-reporting station; the current observation loads live on this page.
Does K7S1 have a TAF?
When K7S1 issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K7S1?
K7S1 sits at 4,777 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K7S1?
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.