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Donald D. Coski Memorial Airport
U84 (Donnelly, ID)
Class G: untowered

Elevation: 4860


RwySizeTypeCond.
18/362500x125GrassFair


Chart Supplement (pdf version)

DONALD D COSKI MEML (U84) 4860 NOTAM FILE BOI RWY 18–36: 2500X125 (Turf) 1 W UTC–7(–6DT) N44º43.74´ W116º05.56´

RWY 18: Trees.
RWY 36: Trees.

AIRPORT REMARKS: Unattended. No winter maintenance. Recommend land Runway 36 & takeoff Runway 18 when wind conditions permit. Both sides runway: +30–80 foot trees. Runway 18–36 may not be mowed full width. No telephone available at airport.

AIRPORT MANAGER: 208-325-8859
COMMUNICATIONS: CTAF 122.9
CASCADE RCO 122.5 (BOISE RADIO)
CLEARANCE DELIVERY PHONE: For clearance delivery contact Salt Lake ARTCC at 801-320-2568.



no instrument approaches


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Database updated: 2026/03/19

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