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

GOING TO PORT OF DEL BONITA?

FAA INFORMATION EFFECTIVE 06 AUGUST 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 -6 (UTC -7 during Standard 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 of H28 (Whetstone International Airport)
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Sectional chart

 
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From to H28

Sunrise and sunset
Times for 13-Aug-2026
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight05:4611:46
Sunrise06:2212:22
Sunset20:5002:50
Evening civil twilight21:2603:26

Current date and time
Zulu (UTC)  13-Aug-2026 14:15:47
Local (UTC-6)  13-Aug-2026 08:15:47
 
METAR
CWFJ 
22nm NW 		131300Z AUTO 33002KT 10/10 RMK AO1 SLP189 T01040100 58005
KCTB 
29nm SE 		131356Z AUTO 30004KT 1SM +RA BR FEW007 BKN035 OVC044 11/10 A3012 RMK AO2 RAB35 SLP193 P0016 T01060100
CWRY 
31nm E 		131300Z AUTO 36005KT 11/11 RMK AO1 SLP198 T01120106 58004
CYQL 
37nm N 		131349Z 01009KT 5SM BR SCT004 OVC060 11/11 A3010 RMK SF4SC4 SLP202
CWGM 
40nm W 		131300Z AUTO 11003KT 09/09 RMK AO1 8PAST HR 8004 SLP201 P0003 T00910091 50008
TAF
KCTB 
29nm SE 		131128Z 1312/1412 01010KT P6SM SCT035 BKN060 TEMPO 1312/1314 5SM -SHRA BKN020 FM131400 04011KT P6SM -SHRA BKN020 FM132200 01007KT P6SM SCT020 BKN040
NOTAMs
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