Whetstone International Airport

H28 · Port of Del Bonita, MT · Non-towered · Print kneeboard

Elevation
4,336 ft MSL
Longest runway
4,440 ft 07/25
Runway
1
Mag var
18E

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-04 · night begins 09:43 PM
EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
05:31 AM11:31Z
Sunrise06:08 AM12:08Z
Sunset09:06 PM03:06Z
Evening civil twilight
Loggable night begins
09:43 PM03:43Z
Loggable night (§1.1)
09:43 PM → 05:31 AM
Night currency (§61.57)
10:06 PM → 05:08 AM

Plan a flight from H28

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNMNxw 142°downwind 052°base 322°final 232°45° entry2507

RWY 25LEFT traffic

Heading
232° mag · 250° true
Dimensions
4,440 × 65 ft
TPA
5,300 ft MSL (≈1,000 AGL) · standard
Surface
Turf
CTAF
122.8

Enter the left downwind (heading 052°) on the 45° at 5,300 ft MSL (≈1,000 AGL).

More details — RWY 25

Condition: Fair.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for H28 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the H28 kneeboard →

Comms & NavAids

Communication frequencies

Taxi & takeoff

CTAF
122.8
UNICOM
122.8

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

CTB 113.35
NavAidTypeFreq · chRangeRadial / Dist magnetic
CTB · Cut Bank VOR/DME 113.35 · 80Y Low r309° / 31.4 NM

Prefer one flat list? All H28 frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
H28
Coordinates
48.9982, -112.7892
Elevation
4,336 ft MSL
Magnetic variation
18E
Sectional chart
GREAT FALLS
Airport use
Public
Control tower
No
ARTCC
SALT LAKE CITY (ZLC)
Flight service (FSS)
GREAT FALLS · 122.3 · 1-800-WX-BRIEF
NOTAM facility
GTF
Attendance
UNATNDD
Segmented circle
No
Wind indicator
yes
Activated
1987/06
Distance from city
32 NW

Night operations

Pilot-controlled lighting
Usually keyed on CTAF 122.8 — confirm the click sequence in the Chart Supplement ↗

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance
Parking
tiedowns
Ownership & management 2 contacts
Owner
MONTANA AERONAUTICS DIVISION
PO BOX 200507, HELENA, MT
406-444-2506
Manager
TIM CONWAY
PO BOX 200507, HELENA, MT
406-444-2506
Remarks FAA · 7 notes

General

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

Runways

  • +4 FT PARL FENCES 44 FT L & R FULL LEN.
  • THR MKD BY DOUBLE CONES; EDGE MKD BY WHITE CONES SPACED 200 FT.
  • THR MKD BY DOUBLE CONES; EDGE MKD BY WHITE CONES SPACED 200 FT.
  • GOPHER HOLES.

Obstructions

  • PLINE MKD WITH RED BALLS.

Nearby airports

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Also nearby: 49S Babb Airport (27 NM) · 8S0 Starr Browning Airstrip (27 NM) · 7S8 Ross International Airport (32 NM) · 06MT Torgerson Airport (private) (37 NM)

About H28

Whetstone International Airport (H28) is an airport in Port of Del Bonita, MT, at 4,336 ft MSL. It has 1 runway, the longest 4,440 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for H28, refreshed from the Aviation Weather Center and FAA NASR.

Does H28 have a control tower?

No. Whetstone International Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at H28?

Whetstone International Airport has 1 runway; the longest is 4,440 ft. See the Runways section for headings, surface, and lighting.

Where is H28?

Whetstone International Airport is in Port of Del Bonita, MT, at an elevation of 4,336 ft MSL. Coordinates: 48.9982, -112.7892.

Fly out of H28 often?

Save H28 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

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Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open H28 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.