Grasmere Airport (U91)

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Grasmere Airport (U91)
U91
Grasmere Airport (U91)
Grasmere, ID
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Location & QuickFacts
FAA Information Effective 2026-07-09
Airport Identifier U91
Airport Status Operational
Longitude/Latitude 115°52'46.0000" W / 42°22'23.9000" N
-115.879444 / 42.373306 (Estimated)
Elevation 5144.00 ft / 1567.89 m (Estimated)
Land 35 acres
Location Owyhee County, ID
Magnetic Variation 16E (1985)
Owner & Manager
Ownership Publicly owned
Owner STATE OF IDAHO-DIV. OF AERONAUTICS
Address BOX 7129
BOISE, ID 83707-1129
Phone number 208-334-8775
Manager DIV. OF AERONAUTICS
Address BOX 7129
BOISE, ID 83707-1129
Phone number 208-334-8775
Airport Operations and Facilities
Airport Use Open to public
Wind indicator Yes
Segmented Circle Yes
Control Tower NON-ATCT
Landing fee charge No
Sectional chart SALT LAKE CITY
Region ANM - Northwest Mountain
Responsible ARTCC ZLC - SALT LAKE CITY
Tie-in FSS BOI - BOISE
FSS on Airport No
FSS Toll Free 1-800-WX-BRIEF
NOTAMs Facility BOI (NOTAM-d service available)
Airport Communications
CTAF 122.9 MHz
Airport Services
Airframe repair NONE
Power plant repair NONE
Bottled oxygen NONE
Bulk oxygen NONE
Runway Information
Runway 05/23
Dimensions 2750 x 150 ft (838 x 46 m)
Surface DIRT (FAIR)
Surface treatment
05 23
Physical elevation 5144.00 ft 5127.00 ft
Coordinates 42.371969 / -115.884206 42.374622 / -115.874678
Traffic pattern Left Left
Remarks
  • NO WINTER MAINTENANCE.
  • RY 05/23 SFC MAY BE POOR DUE TO DAMAGE BY LIVESTOCK; GROUND VEHICLES AND RODENTS.
  • NO TELEPHONE AVBL AT ARPT.
  • FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
  • ESTABD PRIOR TO 1959.