← All airports

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

Loading current weather…

TAF forecast

Loading forecast…

Sun & FAA night 2026-06-20

EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
05:21 AM11:21Z
Sunrise05:58 AM11:58Z
Sunset09:33 PM03:33Z
Evening civil twilight
Loggable night begins
10:11 PM04:11Z
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

NavAidTypeFreqRadial / Dist magnetic
DNJ · DonnellyVORTAC116.20r098° / 5.5 NM

Chart Supplement FAA A/FD

Open PDF ↗
Preview Chart Supplement Open the Chart Supplement PDF

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.

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.