Whetstone International Airport

US Flag

Location

Latitude: 
48-59-59.9630N (48.99999)
Longitude: 
112-47-33.2910W (-112.792581)
Elevation: 
4336.0 feet MSL (1322 m MSL)
Magnetic Variation: 
12.5 E (as of December 2025 from WMM2020 model)
Time Zone: 
UTC -7.0 (Standard Time)
UTC -6.0 (Daylight Savings Time)
From City: 
32 N.M. NW of Port Of Del Bonita, Montana
Found On: 
Great Falls Chart
FAA Region: 
ANM

Contacts

Manager: 
Publicly owned: 
TIM CONWAY
PO BOX 200507
HELENA, MT 59620
406-444-2506
MONTANA AERONAUTICS DIVISION
PO BOX 200507
HELENA, MT 59620
406-444-2506

Operations

Airport Status: 
Operational
Facility Use: 
Public
Type: 
Airport
Activation Date: 
06/1987
Control tower: 
No
Attendance (Months/Days/Hours): 
Months/Days/Hours
Unattended
Boundary ARTCC: 
ZLC (Salt Lake City)
Responsible ARTCC: 
ZLC (Salt Lake City)
Segmented Circle Indicator: 
No
Traffic Pattern Altitude (MSL): 
5336 feet (1626 m)
NOTAMs Facility: 
GTF
NOTAM-D Service: 
Yes
International Airport of Entry: 
No
Customs Landing Rights: 
Yes

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  122.800
Unicom:  122.800

       

    Fixed Based Operators (FBOs) & Fuel

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    Area Code: 406

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    Flight Service Stations

    Primary Alternate
    FSS on Field: 
    FSS Name (ID):  Great Falls(GTF)
    Frequency: 
    Toll Free Phone:  1-800-WX-BRIEF

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near H28

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    28.7 Cut Bank International Airport
    (CTB KCTB CTB)
    144 132 100LL, Jet A, Jet A+
    45.7 Shelby Airport
    (SBX KSBX SBX)
    126 114 100LL, Jet A+
    59.5 Conrad Airport
    (S01)
    146 134 100LL
    71.2 Glacier Park International Airport
    (FCA KGPI GPI)
    235 222 100LL, Jet A
    74.6 Choteau Airport
    (KCII CII)
    160 148 100LL, Jet A
    77.1 Liberty County Airport
    (KLTY LTY)
    111 99 100LL
    77.6 Kalispell City Airport
    (S27)
    231 218 100LL, Jet A
    90.1 Eureka Airport
    (88M)
    269 256 100LL
    96.0 Polson Airport
    (8S1)
    215 202 100LL, Jet A+

    Notices to Airmen (NOTAMS)

    NOTAMs

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    NOTAMS within

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    NM of H28

    NOTAM Flight Path Search (Enter from two to five locations below)

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    NM of H28

    Remarks

    A110-1 NO SNOW REMOVAL.
    A110-3 FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
    A30-07/25 +4 FT PARL FENCES 44 FT L & R FULL LEN.
    A33-07/25 GOPHER HOLES.
    A42-07 THR MKD BY DOUBLE CONES; EDGE MKD BY WHITE CONES SPACED 200 FT.
    A42-25 THR MKD BY DOUBLE CONES; EDGE MKD BY WHITE CONES SPACED 200 FT.
    A53-07 PLINE MKD WITH RED BALLS.
    A82 IN CUST OFC.
    E111 FILED FOR RECORD PURPOSES ONLY.

    Runways

    Runway Summary

    Runways: 07/25
    Longest Runway: 07/25 is 4440 ft (1353 m) long
    Runways with an Instrument Approach:

    H28 Airport Runway Details

    Runway 07/25  4440 ft x 65 ft (1353 m x 20 m)
    Surface:  Turf - Fair condition - No special surface treatment

    Runway 07

    Runway 25

    Glide Path Angle: 
    0.0 degrees 0.0 degrees
    Object at End: 
    PLINE
    Object Height: 
    31
    Object Marked/Lighted?: 
    Marked
    Distance from End: 
    205
    Object Centerline Offset: 
    70 ft. right of centerline

    Services

    Airframe Repair: 
    Major
    Powerplant Repair: 
    Major
    Fuel Available: 
    100LL, Jet A+
    Landing Fees: 
    No
    Parking: 
    Tiedowns available

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    Maps & Diagrams

    H28 Sectional

    Flight Planning
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    H28 Diagram


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