Whetstone International Airport
H28 · Port of Del Bonita, MT · 4,336 ft elevation · var 18E · Non-towered
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
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1987/06
- Distance from city
- 32 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:44 AM | 10:44Z |
| Sunrise | 05:27 AM | 11:27Z |
| Sunset | 09:39 PM | 03:39Z |
| Evening civil twilight Loggable night begins | 10:22 PM | 04:22Z |
Plan a flight from H28
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 07
- Pattern
- left (turns left)
- TPA
- 5,300 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 07 at 5,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 07/25
4,440 ft × 65 ft · Turf (Fair)- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Pline, 31 ft, 205 ft from threshold, 70 ft R of centerline — 7:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- 221° mag · 239° true
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 4,440 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CTB · Cut Bank | VORTAC | 114.40 | r309° / 31.4 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Parking
- tiedowns
Ownership & management
Remarks FAA
- FILED FOR RECORD PURPOSES ONLY.
- NO SNOW REMOVAL.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- IN CUST OFC.
- +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.
- PLINE MKD WITH RED BALLS.
- GOPHER HOLES.
Nearby airports
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.
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 on the Comms & NavAids tab.
What is the longest runway at H28?
Whetstone International Airport has 1 runway; the longest is 4,440 ft. See the Runways tab 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.