K9S5

Three Forks Airport

Three Forks, MontanaElevation 4,089 ftSmall airport

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RUNWAYS

Runway detail & declared distances

1 runway · longest 5,100 ft

03/21
Dimensions
5,099 x 60 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0340°T
REILYes
VGSIPAPI (P2L)
RWY 21220°T
REILYes
VGSIPAPI (P2L)

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

AIRPORT INFORMATION

Facility & services

Three Forks Airport is in Three Forks, Montana. Field elevation 4,089 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerNICK BILTON
Manager phone406-570-0803
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAK9S5
SectionalGREAT FALLS
Center (ARTCC)SALT LAKE CITY
Flight service (AFSS)GREAT FALLS
RegionMontana
CountryUnited States
Coordinates45.8781, -111.5690
Distance from city1 NM SE
SERVICES & LIGHTING
Fuel100LL
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF122.800
UNICOM122.800
FREQUENCIES

Communications

122.8
CTAF/UNICOM
UNIC
122.800
CTAF
CTAF
122.800
UNICOM
UNICOM

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

AIRPORT REMARKS

Operational remarks

AUTOMATED UNICOM.
ACTVT REILS RWY 03 & 21; PAPI RWY 03 & 21; MIRL RWY 03/21 - CTAF
UPON DEPARTURE, ALL ACFT MUST REACH 500 FT ALTITUDE PRIOR TO MAKING ANY TURNS.
OCCASIONAL AEROBATIC MANEUVERS INVOF ARPT.
ULTRALIGHT ACTIVITY ON & INVOF ARPT.
ARPT ESTAB PRIOR TO 1959.
FUEL 24 HR CREDIT CARD SVC AVBL.
FOR CD CTC BIG SKY APCH AT 208-364-5860/5861, IF UNABLE CTC SALT LAKE ARTCC AT 801-320-2568.
FREQUENTLY ASKED
Does K9S5 have a METAR?
Yes. K9S5 is a METAR-reporting station; the current observation loads live on this page.
Does K9S5 have a TAF?
When K9S5 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 K9S5?
K9S5 sits at 4,089 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K9S5?
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.