| U00 | Leadore Airport | Leadore ID |
| U01 | American Falls Airport | American Falls ID |
| U02 | Mccarley Fld Airport | Blackfoot ID |
| U03 | Buhl Muni Airport | Buhl ID |
| U05 | Riddick Field Airport | Philipsburg MT |
| U06 | Cokeville Muni Airport | Cokeville WY |
| U07 | Bullfrog Basin Airport | Glen Canyon Natl Rec Area UT |
| U08 | Perkins Field Airport | Overton NV |
| U09 | Fort Belknap Agency Airport | Harlem MT |
| U10 | Preston Airport | Preston ID |
| U12 | Stanford Field Airport | St Anthony ID |
| U13 | Junction Airport | Junction UT |
| U14 | Nephi Muni Airport | Nephi UT |
| U30 | Temple Bar Airport | Temple Bar AZ |
| U34 | Green River Muni Airport | Green River UT |
| U36 | Aberdeen Muni Airport | Aberdeen ID |
| U37 | Midway Airport | Atomic City ID |
| U41 | Dubois Muni Airport | Dubois ID |
| U42 | South Valley Rgnl Airport | Salt Lake City UT |
| U45 | Graham Usfs Airport | Atlanta ID |
| U46 | Big Southern Butte Airport | Atomic City ID |
| U48 | Coxs Well Airport | Atomic City ID |
| U51 | Bancroft Muni Airport | Bancroft ID |
| U52 | Beaver Muni Airport | Beaver UT |
| U53 | Henry's Lake Airport | Island Park ID |
| U54 | Bernard Usfs Airport | Bernard ID |
| U55 | Panguitch Muni Airport | Panguitch UT |
| U56 | Rigby Airport | Rigby ID |
| U58 | Downey/hyde Memorial/ Airport | Downey ID |
| U60 | Big Creek Airport | Big Creek ID |
| U61 | Twin Bridges Airport | Ketchum ID |
| U62 | Mackay Airport | Mackay ID |
| U63 | Bruce Meadows Airport | Stanley ID |
| U64 | Monticello Airport | Monticello UT |
| U65 | Carey Airport | Carey ID |
| U68 | North Big Horn County Airport | Cowley/lovell/byron WY |
| U69 | Duchesne Muni Airport | Duchesne UT |
| U70 | Cascade Airport | Cascade ID |
| U72 | Upper Loon Creek Usfs Airport | Challis ID |
| U74 | Crescent Valley Airport | Crescent Valley NV |
| U76 | Mountain Home Muni Airport | Mountain Home ID |
| U77 | Spanish Fork-springville-woodhouse Field Airport | Spanish Fork UT |
| U78 | Allen H Tigert Airport | Soda Springs ID |
| U79 | Chamberlain Usfs Airport | Chamberlain Guard Station ID |
| U81 | Cold Meadows Usfs Airport | Cold Meadows Guard Station ID |
| U82 | Council Muni Airport | Council ID |
| U84 | Donald D. Coski Memorial Airport | Donnelly ID |
| U86 | Camas County Airport | Fairfield ID |
| U87 | Smiley Creek Airport | Smiley Creek ID |
| U88 | Garden Valley Airport | Garden Valley ID |
| U89 | Glenns Ferry Muni Airport | Glenns Ferry ID |
| U91 | Grasmere Airport | Grasmere ID |
| U92 | Antelope Valley Airport | Moore ID |
| U93 | Magic Reservoir Airport | Hailey ID |
| U94 | Hazelton Muni Airport | Hazelton ID |
| U96 | Cal Black Memorial Airport | Halls Crossing UT |
| U97 | Howe Airport | Howe ID |
| U98 | Idaho City Usfs Airport | Idaho City ID |
| U99 | Laidlaw Corrals Airport | Kimama ID |
| UAM | Andersen Afb Airport | Andersen,mariana Island GU |
| UAO | Aurora State Airport | Aurora OR |
| UBE | Cumberland Muni Airport | Cumberland WI |
| UBS | Columbus-lowndes County Airport | Columbus MS |
| UBW | Ugnu-kuparuk Airport | Kuparuk AK |
| UBX | Cuba Muni Airport | Cuba MO |
| UCP | New Castle Muni Airport | New Castle PA |
| UCY | Everett-stewart Rgnl Airport | Union City TN |
| UDD | Bermuda Dunes Airport | Palm Springs CA |
| UDG | Darlington County Jetport Airport | Darlington SC |
| UES | Waukesha County Airport | Waukesha WI |
| UGB | Ugashik Bay Airport | Pilot Point AK |
| UGN | Waukegan Rgnl Airport | Chicago/waukegan IL |
| UIL | Quillayute Airport | Quillayute WA |
| UIN | Quincy Rgnl-baldwin Field Airport | Quincy IL |
| UKF | Wilkes County Airport | North Wilkesboro NC |
| UKI | Ukiah Muni Airport | Ukiah CA |
| UKL | Coffey County Airport | Burlington KS |
| UKT | Quakertown Airport | Quakertown PA |
| ULM | New Ulm Muni Airport | New Ulm MN |
| ULS | Ulysses Airport | Ulysses KS |
| UMM | Summit Airport | Summit AK |
| UMP | Indianapolis Metropolitan Airport | Indianapolis IN |
| UMT | Umiat Airport | Umiat AK |
| UNI | Ohio University Snyder Field Airport | Athens/albany OH |
| UNK | Unalakleet Airport | Unalakleet AK |
| UNO | West Plains Rgnl Airport | West Plains MO |
| UNU | Dodge County Airport | Juneau WI |
| UNV | University Park Airport | State College PA |
| UOS | Franklin County Airport | Sewanee TN |
| UOX | University-oxford Airport | Oxford MS |
| UPP | Upolu Airport | Hawi HI |
| USE | Fulton County Airport | Wauseon OH |
| USW | Boggs Field Airport | Spencer WV |
| UT00 | Swains Creek Airport | Alton UT |
| UT02 | Kch Helipad Heliport | Kanab UT |
| UT03 | Hite Airport | Hanksville UT |
| UT04 | Arches Tours Heliport | Moab UT |
| UT05 | Utah National Guard Headquarters Heliport | Draper UT |
| UT07 | Air Village Strip Airport | Vernal UT |
| UT09 | Tavapats Ranch Airport | Green River UT |
| UT10 | Cedar Valley Airport | Cedar Fort UT |
| UT11 | Intermountain Medical Center Heliport | Murray UT |
| UT12 | Gilbert Development Shop Heliport | Cedar City UT |
| UT13 | Number 18 Airport | South Jordan UT |
| UT14 | Brigham City Community Hospital Heliport | Brigham City UT |
| UT15 | Flying Cal Ute Rancheros Airport | Paragonah UT |
| UT16 | Mc Kay-dee Hospital Center Heliport | Ogden UT |
| UT17 | Pfeiler Ranch Airport | Panguitch UT |
| UT19 | Salt Lake Rgnl Medical Center Heliport | Salt Lake City UT |
| UT21 | Medical Center Helistop Heliport | Salt Lake City UT |
| UT22 | Western Surgery Center Heliport | Logan UT |
| UT23 | Pioneer Valley Hospital Heliport | West Valley City UT |
| UT24 | Strawberry Valley Estates Airport | Alton UT |
| UT25 | Monument Valley Airport | Monument Valley UT |
| UT26 | Bryce Woodland Estates Landing Strip Airport | Hatch UT |
| UT28 | Sun Valley Estates Airport | Lund UT |
| UT29 | Jack's Airport | Tremonton UT |
| UT30 | Deer Springs Ranch Airport | Kanab UT |
| UT31 | American Stores Heliport | Salt Lake City UT |
| UT32 | Ashley Valley Medical Center Heliport | Vernal UT |
| UT33 | Kutv Channel Two Heliport | Salt Lake City UT |
| UT34 | Tooele Army Depot Helipad Heliport | Tooele UT |
| UT35 | Mountain View Hospital Heliport | Payson UT |
| UT36 | Wecco Heliport | Cedar City UT |
| UT38 | Two Jays Nr 1 Heliport | Moab UT |
| UT39 | A A Helicopters Inc Heliport | North Salt Lake UT |
| UT41 | Glenmar Ranch Airport | Cedar Fort UT |
| UT42 | Westwater Airport | Cisco UT |
| UT43 | Citabriair Airport | Kanarraville UT |
| UT44 | Davis Hospital & Medical Center Heliport | Layton UT |
| UT45 | State Capitol Helicopter Landing Site Heliport | Salt Lake City UT |
| UT46 | Tooele Army Depot /south Area/ Heliport | Tooele UT |
| UT47 | Grassy Meadows/sky Ranch Landowners Assn Airport | Hurricane UT |
| UT49 | Desert Aviation Airport | Delta UT |
| UT50 | Allen Memorial Hospital Heliport | Moab UT |
| UT51 | Utah Valley Rgnl Medical Center Heliport | Provo UT |
| UT52 | Dixie Medical Center Heliport | St George UT |
| UT53 | Sky Ranch Airport | Moab UT |
| UT54 | Crystal Springs Ranch Airport | Leeds UT |
| UT55 | Lds Hospital North Heliport | Salt Lake City UT |
| UT56 | American Fork Hospital Heliport | American Fork UT |
| UT58 | Bonanza Power Plant Heliport | Bonanza UT |
| UT60 | Century Equipment Company Heliport | Murray UT |
| UT61 | Uintah Basin Medical Center Heliport | Roosevelt UT |
| UT62 | Department Of Veterans Affairs Heliport | Salt Lake City UT |
| UT63 | Alta View Hospital Heliport | Sandy UT |
| UT64 | St Mark's Heliport | Salt Lake City UT |
| UT65 | Goshute Airport | Ibapah UT |
| UT67 | Paradise Air Park Airport | Tridell UT |
| UT68 | Caveman Ranch Airport | Moab UT |
| UT69 | Pelican Lake Airport | Randlett UT |
| UT70 | Garrison Airport | Garrison UT |
| UT71 | Tooele Valley Hospital Heliport | Tooele UT |
| UT72 | Two Jays Nr 2 Heliport | Moab UT |
| UT73 | Diamond 'g' Ranch Heliport | Toquerville UT |
| UT74 | Fry Canyon Field Airport | Fry Canyon UT |
| UT75 | Mineral Canyon Strip Airport | Moab UT |
| UT76 | Phc Hospital Heliport | Salt Lake City UT |
| UT77 | Aladdin Air Heliport | Tropic UT |
| UT78 | Timpanogos Rgnl Hospital Heliport | Orem UT |
| UT79 | 3-i Rocker Ranch Airport | Jensen UT |
| UT80 | Hamilton Fort Ranch Airport | Cedar City UT |
| UT81 | Blanding Ambulance Heliport | Blanding UT |
| UT82 | Beryl Junction Airport | Beryl UT |
| UT83 | Thunder Ridge Airpark Airport | Fruitland UT |
| UT84 | Skaggs Heliport | South Salt Lake City UT |
| UT85 | Cirque Lodge Studio Heliport | Orem UT |
| UT86 | Miller Motorsports Park Heliport | Tooele UT |
| UT87 | Jordan Valley Hospital Heliport | West Jordan UT |
| UT97 | Happy Canyon Airport | Happy Canyon UT |
| UT98 | Redwood Health Center Heliport | Salt Lake City UT |
| UT99 | West Desert Airpark Airport | Cedar Valley UT |
| UTA | Tunica Muni Airport | Tunica MS |
| UTO | Indian Mountain Lrrs Airport | Utopia Creek AK |
| UTS | Huntsville Muni Airport | Huntsville TX |
| UUO | Willow Airport | Willow AK |
| UUU | Newport State Airport | Newport RI |
| UUV | Sullivan Rgnl Airport | Sullivan MO |
| UVA | Garner Field Airport | Uvalde TX |
| UWL | New Castle-henry Co Muni Airport | New Castle IN |
| UXL | Southland Field Airport | Sulphur LA |
| UYF | Madison County Airport | London OH |
| UZA | Rock Hill/york Co/bryant Field Airport | Rock Hill SC |
