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Donald D. Coski Memorial Airport
U84 · Donnelly, ID · 4,860 ft elevation · var 18E · Towered
Airport information
- FAA LID
- U84
- Coordinates
- 44.7255, -116.0912
- Elevation
- 4,860 ft MSL
- Magnetic variation
- 18E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- BOISE
- NOTAM facility
- BOI
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1950/10
- Distance from city
- 1 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:21 AM | 11:21Z |
| Sunrise | 05:58 AM | 11:58Z |
| Sunset | 09:33 PM | 03:33Z |
| Evening civil twilight Loggable night begins | 10:11 PM | 04:11Z |
Loggable night (§1.1)
10:11 PM → 05:21 AM
Night currency (§61.57)
10:33 PM → 04:58 AM
Plan a flight from U84
Runway 18/36
2,500 ft × 125 ft · Turf (Fair) 18
- Heading
- n/a
- Traffic pattern
- Left
36
- Heading
- n/a
- Traffic pattern
- Left
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DNJ · Donnelly | VORTAC | 116.20 | r098° / 5.5 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Owner
CITY OF DONNELLY
PO BOX 725, DONNELLY, ID
208-325-8859
Manager
CAMI HEDGES
PO BOX 725 OR, 169 HALFERTY ST, DONNELLY, ID
208-325-8859
Remarks FAA
- NO WINTER MAINTENANCE.
- BOTH SIDES RWY: +30-80 FT TREES.
- NO TELEPHONE AVBL AT ARPT.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- LORI CLEMENS IS THE CITY CLERK & AMGR.
- RCMD LAND RY 36 & TKOF RY 18 WHEN WIND CONDS PERMIT.
- MAY BE MOWED LESS THAN FULL WIDTH.
- 45 FT TREES AT 0 FT, 75 FT RIGHT.
- +45 FT TREES AT 0 FT 60 FT L; NMRS +20-80 FT TREES ON CNTRLN AER.
- 65 FT TREES 500 FT ON CNTRLN AER. 60 FT TREES AT 0 FT, 100 FT RIGHT.
- RY 18/36 MAY NOT BE MOWED FULL WIDTH.
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 U84 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.