AirNav: H28 - Whetstone International Airport

H28

Whetstone International Airport
Port of Del Bonita, Montana, USA

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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
CTBr309/31.6		CUT BANK VOR/DME		113.35		17E
YQLr176/38.4		LETHBRIDGE VOR/DME		115.70		11E

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:	left	left
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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Sectional chart

Airport distance calculator
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Sunrise and sunset

Times for 09-Aug-2026

	Local (UTC-6)	Zulu (UTC)
Morning civil twilight	05:40	11:40
Sunrise	06:16	12:16
Sunset	20:57	02:57
Evening civil twilight	21:33	03:33

Current date and time

Zulu (UTC)	09-Aug-2026 23:27:01
Local (UTC-6)	09-Aug-2026 17:27:01

METAR

CWFJ 22nm NW	092300Z AUTO 06006KT 24/11 RMK AO1 SLP144 T02360111 57013
KCTB 29nm SE	092256Z AUTO VRB03KT 7SM CLR 24/08 A3003 RMK AO2 SLP146 T02440078
CWRY 31nm E	092300Z AUTO 02007KT 24/09 RMK AO1 SLP160 T02390088 56009
CYQL 37nm N	092300Z 05008KT 030V100 25SM OVC250 24/11 A3001 RMK FU3CI5 SLP160 DENSITY ALT 4700FT
CWGM 40nm W	092300Z AUTO 08006KT 23/11 RMK AO1 SLP150 T02250113 56011

TAF

KCTB
29nm SE

091720Z 0918/1018 VRB06KT 6SM FU FEW250 FM100200 VRB06KT 6SM FU BKN250 FM101500 VRB04KT 6SM FU SKC

NOTAMs

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