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H28 Whetstone International Airport
Port of Del Bonita, Montana, USA

GOING TO PORT OF DEL BONITA?

FAA INFORMATION EFFECTIVE 22 JANUARY 2026

Location

FAA Identifier: H28
Lat/Long: 48-59-59.9630N 112-47-33.2910W
48-59.999383N 112-47.554850W
48.9999897,-112.7925808
(estimated)
Elevation: 4336 ft. / 1322 m (estimated)
Variation: 18E (1985)
From city: 32 miles NW of PORT OF DEL BONITA, MT
Time zone: UTC -7 (UTC -6 during Daylight Saving Time)
Zip code: 59427

Airport Operations

Airport use: Open to the public
Activation date: 06/1987
Control tower: no
ARTCC: SALT LAKE CITY CENTER
FSS: GREAT FALLS FLIGHT SERVICE STATION
NOTAMs facility: GTF (NOTAM-D service available)
Attendance: UNATNDD
Wind indicator: yes
Segmented circle: no
International operations: customs landing rights airport

Airport Communications

CTAF/UNICOM: 122.8
  • IN CUST OFC.

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
CTBr309/31.6CUT BANK VOR/DME113.3517E
YQLr176/38.4LETHBRIDGE VOR/DME115.7011E

Airport Services

Parking: tiedowns

Runway Information

Runway 7/25

Dimensions: 4440 x 65 ft. / 1353 x 20 m
Surface: turf, in fair condition
GOPHER HOLES.
Runway edge markings: THR MKD BY DOUBLE CONES; EDGE MKD BY WHITE CONES SPACED 200 FT.
Operational restrictions: +4 FT PARL FENCES 44 FT L & R FULL LEN.
RUNWAY 7  RUNWAY 25
Traffic pattern: leftleft
Obstructions: 31 ft. pline, marked, 205 ft. from runway, 70 ft. right of centerline, 7:1 slope to clear
PLINE MKD WITH RED BALLS.		none

Airport Ownership and Management from official FAA records

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

Additional Remarks

- NO SNOW REMOVAL.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.

Instrument Procedures

There are no published instrument procedures at H28.

Some nearby airports with instrument procedures:

KCTB - Cut Bank International Airport (29 nm SE)
KSBX - Shelby Airport (46 nm SE)
S01 - Conrad Airport (59 nm SE)
KGPI - Glacier Park International Airport (71 nm SW)
KCII - Choteau Airport (75 nm S)
  
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Area around H28 (Whetstone International Airport)
 
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Aerial photo
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Aerial photo of H28 (Whetstone International Airport)
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Sectional chart

 
Airport distance calculator
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From to H28

Sunrise and sunset
Times for 25-Jan-2026
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight07:3714:37
Sunrise08:1215:12
Sunset17:1600:16
Evening civil twilight17:5100:51

Current date and time
Zulu (UTC)  25-Jan-2026 08:56:41
Local (UTC-7)  25-Jan-2026 01:56:41
 
METAR
CWFJ 
22nm NW 		250800Z AUTO 05002KT M16/M18 RMK AO1 SLP300 T11571180 51015
KCTB 
29nm SE 		250756Z AUTO 01005KT 5SM HZ FEW044 OVC070 M16/M19 A3020 RMK AO2 SNE35 SLP299 P0000 T11611194
CWRY 
31nm E 		250800Z AUTO 05005KT M20/M22 RMK AO1 SOG 03 1016 SLP327 T11971220
CYQL 
37nm N 		250800Z AUTO 06005KT 6SM -SN OVC039 M17/M19 A3029 RMK SLP335
CWGM 
40nm W 		250800Z AUTO 05002KT M13/M15 RMK AO1 SOG 01 1011 SLP286 T11321153
TAF
KCTB 
29nm SE 		250520Z 2506/2606 35007KT 5SM -SN SCT015 BKN035 TEMPO 2506/2509 1 1/2SM -SN OVC015 FM251100 VRB06KT P6SM BKN050 FM251600 19011G22KT P6SM FEW200 FM260000 24019G29KT P6SM FEW200
NOTAMs
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