In the table below you will find the records of stratospheric balloons launched from different countries during 2018, which are currently available in StratoCat's database. Each row displays essential information such as the launch base, date and time of launch, and, if known, the mission duration and landing site of the payload. Clicking on the experiment name will offer details about the scientific institutions involved, a summary of the experiment's purpose and results, and other relevant information on the balloon flight, including references and images. Clicking on the arrows at the top and the bottom of the table you can move to other year's tables.
| Launch base | Date | Flight Duration | Experiment | Payload landing place or cause of the failure |
|---|---|---|---|---|
 Winnemucca (NV) | 1/3 | 112 d | PROJECT LOON FLIGHT P-088 | East of Teresina, Maranhao State, Brazil |
 Ceiba, Puerto Rico | 1/4 | PROJECT LOON FLIGHT P-078 | --- No Data --- | |
| Winnemucca (NV) | 1/5 | ~ 42 d | PROJECT LOON FLIGHT P-097 | Last known position N of Barranquilla, Colombia |
| Winnemucca (NV) | 1/5 | 25 d | PROJECT LOON FLIGHT P-096 | Last known position E of Teresina, Piauí, Brazil |
| Winnemucca (NV) | 1/5 | 66 d | PROJECT LOON FLIGHT P-098 | Last known position SW of Juazeiro do Norte, Ceara, Brazil |
| Winnemucca (NV) | 1/12 | 2 d | PROJECT LOON FLIGHT OL-246 | N of Fredericksburg, Texas, US |
| Ceiba, Puerto Rico | 1/17 | 6 d | PROJECT LOON FLIGHT P-093 | Near Pacajá, State of Pará, Brazil |
| Ceiba, Puerto Rico | 1/17 | 2 d | PROJECT LOON FLIGHT P-091 | Fell to the sea SE of Santa Isabel, Puerto Rico |
| Ceiba, Puerto Rico | 1/17 | 9 d | PROJECT LOON FLIGHT P-094 | Last known position E of Galapagos Islands, Ecuador |
| Ceiba, Puerto Rico | 1/18 | 9 d | PROJECT LOON FLIGHT P-114 | Last known position in Pará State, Brazil, near the Surinamese border |
| Ceiba, Puerto Rico | 1/18 | 98 d | PROJECT LOON FLIGHT P-104 | NW of Winnemucca, Nevada, US |
| Ceiba, Puerto Rico | 1/18 | 2 d | PROJECT LOON FLIGHT P-101 | In Carriacou Island, of the Granedines Archipelago, Caribbean Sea |
| Winnemucca (NV) | 1/20 | 43 d | PROJECT LOON FLIGHT P-046 | Last registered location over Amazonas State, Brazil |
| Winnemucca (NV) | 1/28 | 106 d | PROJECT LOON FLIGHT P-147 | East of Teresina, Maranhao State, Brazil |
| Winnemucca (NV) | 1/29 | 77 d | PROJECT LOON FLIGHT P-149 | Last registered location SW of Cuenca, Ecuador |
| Winnemucca (NV) | 1/29 | ~ 4 d | PROJECT LOON FLIGHT P-148 | Last registered location over the Atlantic Ocean east of Jacksonville, Florida, US |
| Winnemucca (NV) | 1/31 | 12 d | PROJECT LOON FLIGHT P-152 | In the Caribbean Sea SW of Gran Cayman Island |
| Ceiba, Puerto Rico | 1/31 | 5 d | PROJECT LOON FLIGHT P-161 | In the Caribbean Sea E of Puerto Rico |
| Winnemucca (NV) | 1/31 | ~ 16 d | PROJECT LOON FLIGHT P-146 | Near Pasto, Ecuador |
 TIFR Hyderabad | 2/2 | 3 h 30 m | PROJECT APEIRO | 32 km NW of Hyderabad, India |
| Winnemucca (NV) | 2/2 | 2 h | PROJECT LOON FLIGHT P-175 | E of Battle Mountain, Nevada, US |
| Winnemucca (NV) | 2/2 | 120 d | PROJECT LOON FLIGHT P-150 | 25 miles NE of Elko, Nevada, US |
| Winnemucca (NV) | 2/2 | 28 h | PROJECT LOON FLIGHT P-172 | 12 km SE of Happy, Texas, US |
| Winnemucca (NV) | 2/7 | 4 h | PROJECT LOON FLIGHT P-072 | In Lund, Nevada, US |
| TIFR Hyderabad | 2/10 | 3 h | BATAL-ZF-HYBRID | Near Warangal, Andhra Pradesh, India |
| Winnemucca (NV) | 2/13 | 110 d | PROJECT LOON FLIGHT P-204 | SW of Twin Falls, Idaho, US |
| Winnemucca (NV) | 2/13 | ~ 16 h | PROJECT LOON FLIGHT P-203 | Near Wheatland, Wyoming, US |
| Winnemucca (NV) | 2/13 | 7 d | PROJECT LOON FLIGHT P-153 | Last registered location S of Pacaraima, Roraima State, Brazil |
| Winnemucca (NV) | 2/13 | 101 d | PROJECT LOON FLIGHT P-177 | N of Nevada, US |
| Raven campus, Baltic (SD) | 2/14 | 5 h 30 m | THUNDERHEAD | W of Appleton, Wisconsin, US |
| Winnemucca (NV) | 2/27 | 85 d | PROJECT LOON FLIGHT P-157 | NW of Nevada, US |
| Ceiba, Puerto Rico | 2/27 | 87 d | PROJECT LOON FLIGHT P-179 | East of Teresina, Maranhao State, Brazil |
| Winnemucca (NV) | 2/27 | 2 h | PROJECT LOON FLIGHT P-145 | 45 miles SE of Winnemucca, Nevada, US |
| Winnemucca (NV) | 2/27 | 25 d | PROJECT LOON FLIGHT P-155 | Over Brazil |
| Winnemucca (NV) | 2/27 | 73 d | PROJECT LOON FLIGHT P-154 | --- No Data --- |
 ESRANGE | 2/28 | --- | ICE CLOUD OBSERVATION | --- No Data --- |
| Ceiba, Puerto Rico | 2/28 | 8 d | PROJECT LOON FLIGHT P-163 | Last registered location west of Teresina, Maranhao State, Brazil |
| Ceiba, Puerto Rico | 3/1 | 47 d | PROJECT LOON FLIGHT P-169 | E of Madison, Texas, US |
| Ceiba, Puerto Rico | 3/7 | 97 d | PROJECT LOON FLIGHT P-186 | In Peru |
| Winnemucca (NV) | 3/7 | 5 h | PROJECT LOON FLIGHT PG-026 | NW of Elko, Nevada, US |
| Ceiba, Puerto Rico | 3/8 | ~ 110 d | PROJECT LOON FLIGHT P-188 | Last registered location over Amazonas State, Brazil |
| Ceiba, Puerto Rico | 3/8 | ~ 2 h | PROJECT LOON FLIGHT P-185 | Impact in the ocean, 25 miles W of Anegada, British Virgin Islands |
| Ceiba, Puerto Rico | 3/8 | 105 d | PROJECT LOON FLIGHT P-220 | Last registered location E of Esperantina, Piaui State, Brazil |
| Ceiba, Puerto Rico | 3/8 | 102 d | PROJECT LOON FLIGHT P-184 | SE of Winnemucca, Nevada, US |
| Ceiba, Puerto Rico | 3/9 | 103 d | PROJECT LOON FLIGHT P-219 | Last known position in Maranhao State, Brazil |
| Ceiba, Puerto Rico | 3/9 | 108 d | PROJECT LOON FLIGHT P-221 | Last registered location east of Teresina, Maranhao State, Brazil |
| Ceiba, Puerto Rico | 3/14 | 105 d | PROJECT LOON FLIGHT P-191 | Last known position N of Winnemucca, Nevada, US |
| Ceiba, Puerto Rico | 3/14 | 112 d | PROJECT LOON FLIGHT P-192 | Last registered location over Amazonas State, Brazil |
| Ceiba, Puerto Rico | 3/14 | 2 h | PROJECT LOON FLIGHT P-233 | --- No Data --- |
| Ceiba, Puerto Rico | 3/14 | 99 d | PROJECT LOON FLIGHT P-235 | Last known position above Amazonas State, Brazil |
| Ceiba, Puerto Rico | 3/14 | 53 d +++ | PROJECT LOON FLIGHT P-234 | Last known position south of Cape Town, Southafrica |
| Ceiba, Puerto Rico | 3/14 | 107 d | PROJECT LOON FLIGHT P-232 | Last registered location over Amazonas State, Brazil |
| Ceiba, Puerto Rico | 3/14 | 107 d | PROJECT LOON FLIGHT P-187 | South of Winnemucca, Nevada, US |
| Ceiba, Puerto Rico | 3/14 | 105 d | PROJECT LOON FLIGHT P-222 | Last known position S of Manaos, Amazonas, Brazil |
| TIFR Hyderabad | 3/18 | F 5 h 30 m | FPS100 - INFRARED TELESCOPE | 350 km SW of Hyderabad, India |
| Winnemucca (NV) | 3/26 | 7 h | PROJECT LOON FLIGHT P-240 | 95 miles E of Winnemucca, Nevada, US |
| Spaceport Tucson (AZ) | 3/29 | 7 h | RADIATION DETECTOR + ARMAS (Automated Radiation Measurements for Aerospace Safety) | In Texas, US |
| Winnemucca (NV) | 3/30 | 6 h | PROJECT LOON FLIGHT P-241 | 150 miles SE of Winnemucca, Nevada, US |
| Winnemucca (NV) | 3/30 | 114 d | PROJECT LOON FLIGHT P-151 | NE of Winnemucca, Nevada, US |
 Alice Springs | 4/7 | 28 h 43 m | SMILE-2+ (Sub-MeV/MeV gamma-ray Imaging Loaded-on-balloon Experiment) | 190 km SSE of Alice Springs, Australia |
| TIFR Hyderabad | 4/13 | --- | T-500 | 102 km SW of Hyderabad, India |
| Winnemucca (NV) | 4/13 | ~ 7 h | PROJECT LOON FLIGHT P-255 | 125 miles SE of Winnemucca, Nevada, US |
| Spaceport Tucson (AZ) | 4/18 | 2 h | STRATOLLITE | SE of Safford, Arizona, US |
| Winnemucca (NV) | 4/21 | 3 d | PROJECT LOON FLIGHT P-284 | 10 miles W of Anselmo, Nebraska, US |
| Winnemucca (NV) | 4/21 | 6 h | PROJECT LOON FLIGHT P-274 | 176 miles NE of Winnemucca, Nevada, US |
 ATLAS Jaén | 4/23 | --- | ELEVATE | --- No Data --- |
| Alice Springs | 4/26 | 16 h 44 m | GRAINE (Gamma-Ray Astro-Imager with Nuclear Emulsion) | W of Windorah, Queensland, Australia |
| Winnemucca (NV) | 4/28 | 3 d | PROJECT LOON FLIGHT P-225 | Near Lamoure, North Dakota, US |
| Winnemucca (NV) | 4/28 | 4 d | PROJECT LOON FLIGHT P-224 | Near Lamoure, North Dakota, US |
| Winnemucca (NV) | 5/8 | ~ 8 h | PROJECT LOON FLIGHT PG-030 | SW of Battle Mountain, Nevada, US |
| Ceiba, Puerto Rico | 5/10 | 8 d | PROJECT LOON FLIGHT P-258 | Last known position E of Barbados |
| ESRANGE | 5/15 | 5 d 15 h 55 m | AESOP-Lite | At coordinates 78°23.89 N - 80°48.32 W, Ellesmere Island, Canada |
| Ceiba, Puerto Rico | 5/16 | 19 d | PROJECT LOON FLIGHT P-237 | Last known position NE of Perth, Australia |
| Spaceport Tucson (AZ) | 5/16 | 3 d | STRATOLLITE - GRYPHON VII | Near Escondido Mountain, New Mexico, US |
| Ceiba, Puerto Rico | 5/22 | 178 d | PROJECT LOON FLIGHT P-301 | Near Nueva Mestre, Paraguay |
| Ceiba, Puerto Rico | 5/23 | 122 d | PROJECT LOON FLIGHT P-302 | NE of the state of Nevada, US |
| Ceiba, Puerto Rico | 5/24 | 6 d (?) | PROJECT LOON FLIGHT P-335 | Last known position E of Malpelo Island, Colombia |
| Winnemucca (NV) | 5/24 | PROJECT LOON FLIGHT P-300 | N of Fort Benton, Montana, US | |
| Winnemucca (NV) | 5/24 | 2 d | PROJECT LOON FLIGHT P-299 | Near Fort Benton, Montana, US |
| Madras Muni. (OR) | 6/1 | --- | 1090 MHZ ADS-B TEST FLIGHT | --- No Data --- |
| Ceiba, Puerto Rico | 6/5 | 8 d | PROJECT LOON FLIGHT P-336 | Last known position SW of Coiba Island, Panama |
| Ceiba, Puerto Rico | 6/5 | 108 d | PROJECT LOON FLIGHT P-271 | 25 miles SE of Winnemucca, Nevada, US |
| Palestine (TX) | 6/6 | 21 h 13 m | SuperBIT (Super Pressure Balloon Imaging Telescope) | 37 nautic miles SE of San Angelo, Texas, US |
 Xinjiang | 6/13 | --- | AIRCORE SAMPLING SYSTEM | --- No Data --- |
| Xinjiang | 6/14 | --- | AIRCORE SAMPLING SYSTEM | --- No Data --- |
| Winnemucca (NV) | 6/21 | 4 d | PROJECT LOON FLIGHT P-267 | 15 miles NE Basque, Oregon, US |
| ESRANGE | 6/24 | 5 d 16 h 13 m | HIWIND (High-altitude Interferometer WIND Experiment) | Near Kugluktuk, Nunavut territory, Canada |
| Raven campus, Baltic (SD) | 6/27 | --- | THUNDERHEAD FLIGHT 0175 | --- No Data --- |
| Winnemucca (NV) | 6/27 | 2 d | PROJECT LOON FLIGHT P-334 | 125 miles NE of Billings, Montana, US |
| Winnemucca (NV) | 7/1 | PROJECT LOON FLIGHT P-263 | Last known position above the Gulf of Mexico | |
 Longyearbyen | 7/3 | --- | OLIMPO | Balloon failure at launch |
| Palestine (TX) | 7/5 | 8 h | ASCOT (Advanced Scintillator COmpton Telescope) | N of Pecos, Texas, US |
| ESRANGE | 7/8 | 5 d 22 h 8 m | PMC-Turbo | 300 nautic miles NNE of Yellowknife, Canada |
| Coyote Lake (CA) | 7/13 | --- | PAYLOAD UNKNOWN | --- No Data --- |
| Longyearbyen | 7/14 | 4 d 20 h | OLIMPO | In Ellesmere Island, Nunavut Territory, Canada |
| Winnemucca (NV) | 7/20 | 13 d | PROJECT LOON FLIGHT P-394 | Last registered location west of Zacatecas, Mexico |
| Winnemucca (NV) | 7/20 | ~ 17 d | PROJECT LOON FLIGHT P-393 | Last known position W of Hawaii, Pacific Ocean |
| Winnemucca (NV) | 7/25 | 22 d | PROJECT LOON FLIGHT P-266 | 10 miles SE of Caney, Kansas, US |
 Fort McMurray (AB) | 8/1 | --- | X-RAY DETECTOR | --- No Data --- |
| Winnemucca (NV) | 8/1 | 15 d | PROJECT LOON FLIGHT P-294 | NE of Limon, Colorado, US |
| Winnemucca (NV) | 8/1 | 19 d | PROJECT LOON FLIGHT P-293 | E of Fort Collins, Colorado, US |
| Fort McMurray (AB) | 8/3 | --- | X-RAY DETECTOR | --- No Data --- |
| Winnemucca (NV) | 8/3 | 88 d | PROJECT LOON FLIGHT P-292 | Near Palpa, Ica Department, Peru |
| Winnemucca (NV) | 8/5 | 7 d | PROJECT LOON FLIGHT P-261 | Last registered location west of Burns, Oregon, US |
| Winnemucca (NV) | 8/5 | 38 d | PROJECT LOON FLIGHT P-264 | 14 miles S of Winnemucca, Nevada, US |
| Winnemucca (NV) | 8/5 | 74 d | PROJECT LOON FLIGHT P-423 | Last registered location over Hawaii |
| Winnemucca (NV) | 8/5 | 48 d | PROJECT LOON FLIGHT P-425 | 20 miles NW of Orellana, Ecuador |
| Fort McMurray (AB) | 8/7 | --- | X-RAY DETECTOR | --- No Data --- |
| Urad Banner | 8/8 | --- | SOLAR CELL CALIBRATION | --- No Data --- |
| Winnemucca (NV) | 8/9 | 1 h 30 m | PROJECT LOON FLIGHT P-408 | NW of Winnemucca, Nevada, US |
| Urad Banner | 8/9 | ~ 5 h | MULTI-INSTRUMENTAL PLATFORM | --- No Data --- |
| Winnemucca (NV) | 8/10 | 108 d | PROJECT LOON FLIGHT P-265 | East of Loma Plata, Presidente Hayes, Paraguay |
| Timmins (ON) | 8/12 | 6 h | CLIMAT (Combinaison de Lasers et d'Instrument in-situ de Mesure dans l'Atmosphère Terrestre) | 20 km N of Foyelet, Ontario, Canada |
| Winnemucca (NV) | 8/13 | 117 d | PROJECT LOON FLIGHT P-426 | Last known position above the center of Bolivia |
| Winnemucca (NV) | 8/14 | 2 d | PROJECT LOON FLIGHT P-280 | E of Winnemucca, Nevada, US |
| Winnemucca (NV) | 8/14 | 148 d | PROJECT LOON FLIGHT P-414 | NNW of Alice Springs, Australia |
| Winnemucca (NV) | 8/14 | 13 d | PROJECT LOON FLIGHT P-431 | SW of Fargo, North Dakota, US |
| ESRANGE | 8/15 | --- | EXO-MARS HADT (High Altitude Drop Test) | --- No Data --- |
| Golmud | 8/16 | 3 h 15 m | MULTI-INSTRUMENTAL PLATFORM | --- No Data --- |
| Timmins (ON) | 8/16 | 6 h | SPECIES (SPECtrometre Infrarouge a lasErs in Situ) | 40 km SE of Timmins, Ontario, Canada |
| Fort Sumner (NM) | 8/17 | 8 h | 60MCF TEST FLIGHT | NE of Winslow, Arizona, US |
| Coyote Lake (CA) | 8/17 | --- | PAYLOAD UNKNOWN | --- No Data --- |
| Timmins (ON) | 8/19 | 11 h | AIRBUS | 40 km NW of Timmins, Ontario, Canada |
| Winnemucca (NV) | 8/23 | 4 d | PROJECT LOON FLIGHT P-422 | SW of Fargo, North Dakota, US |
| Timmins (ON) | 8/23 | 11 h 6 m | CABUX | 50 km SE of Timmins, Ontario, Canada |
| Fort Sumner (NM) | 8/24 | 6 h | USIP PROGRAM FLIGHT | SW of Santa Rosa, New Mexico, US |
| Fort Sumner (NM) | 8/25 | 9 h 40 m | 60MCF TEST FLIGHT | N of Winslow, Arizona, US |
| Timmins (ON) | 8/26 | 12 h | FAST-CARMEN | 280 km W of Timmins, Ontario, Canada |
| Raven campus, Baltic (SD) | 8/29 | ~ 4 h | THUNDERHEAD FLIGHT 0189 | Near Madelia, Minnesota, US |
| Winnemucca (NV) | 8/31 | 65 d | PROJECT LOON FLIGHT P-440 | 48 miles E of Tilmouth Well, Australia |
| Fort Sumner (NM) | 9/4 | 11 h 30 m | HASP 2018 (High Altitude Student Platform) | NW of Bowie, Arizona, US |
| Winnemucca (NV) | 9/5 | 5 d | PROJECT LOON FLIGHT P-424 | 6 miles SE of Kanardo, Kansas, US |
| Fort Sumner (NM) | 9/8 | 6 h 40 m | SIFT (Super Pressure Balloon Instrumentation Flight Test) | W of Corona, New Mexico, US |
| Winnemucca (NV) | 9/10 | 2 d | PROJECT LOON FLIGHT P-251 | 18 miles SW of Valentine, Nebraska, US |
| Page (AZ) | 9/11 | 32 h | STRATOLLITE - GRYPHON VIII | NW of Craig, Colorado, US |
| Winnemucca (NV) | 9/17 | 169 d | PROJECT LOON FLIGHT P-432 | 26 km N of Ciudad Insurgentes, Baja California Sur, Mexico |
| Winnemucca (NV) | 9/20 | 128 d | PROJECT LOON FLIGHT P-483 | 60 Miles NW of Alice Springs, Australia |
| Jiuquan | 9/21 | --- | HYPERSONIC MODEL DROP TEST | --- No Data --- |
| Fort Sumner (NM) | 9/22 | 15 h 23 m | FIREBALL (Faint Intergalactic-medium Redshifted Emission Balloon) | North of Vaughan, New Mexico, USA |
| Madras Muni. (OR) | 9/25 | --- | TECHNOLOGICAL FLIGHT | --- No Data --- |
| Madras Muni. (OR) | 9/25 | --- | TECHNOLOGICAL FLIGHT | --- No Data --- |
| McCall (ID) | 9/26 | --- | BTEM (Balloon-borne Transverse Electro Magnetic wave-sensing system) | --- No Data --- |
| Winnemucca (NV) | 9/28 | 3 h | PROJECT LOON FLIGHT P-467 | 70 miles E of Winnemucca, Nevada, US |
| Fort Sumner (NM) | 9/29 | 2 h | PING # 1 | 40 km SE of Ft. Sumner, New Mexico, US |
| Winnemucca (NV) | 10/10 | ~ 2 h | PROJECT LOON FLIGHT P-226 | 65 miles N of Winnemucca, Nevada, US |
| Winnemucca (NV) | 10/10 | 8 h | PROJECT LOON FLIGHT P-434 | 150 miles SE of Winnemucca, Nevada, US |
| Tillamook (OR) | 10/15 | --- | ANIMAL TRACKER GROUND STATION - TAG TESTING | --- No Data --- |
| ESRANGE | 10/17 | BEXUS 26 (Balloon EXperiments for University Students) | In North Finland | |
| ESRANGE | 10/18 | 4 h 3 m | BEXUS 27 (Balloon EXperiments for University Students) | --- No Data --- |
| Ceiba, Puerto Rico | 10/25 | 142 d | PROJECT LOON FLIGHT P-493 | 30 km ENE of Capilla del Sauce, Florida, Uruguay |
| Ceiba, Puerto Rico | 10/25 | 173 d | PROJECT LOON FLIGHT P-494 | 315 km N of Alice Springs, Australia |
| Spaceport Tucson (AZ) | 10/26 | 16 h 40 m | STRATOLLITE - GRYPHON IX | 40 miles W of Benjamín Hill, Sonora, México. |
| TIFR Hyderabad | 10/28 | --- | FPS100 - INFRARED TELESCOPE | Doma, Rangareddy district, India |
| Ceiba, Puerto Rico | 11/1 | 122 d | PROJECT LOON FLIGHT P-406 | 13 km NW of Pirarajá, Lavalleja Department, Uruguay |
| Ceiba, Puerto Rico | 11/2 | 145 d | PROJECT LOON FLIGHT P-399 | 400 km NW of Alice Springs, Australia |
| Ceiba, Puerto Rico | 11/8 | 87 d | PROJECT LOON FLIGHT P-450 | Near Jonacatepec, Morelos state, Mexico |
| Ceiba, Puerto Rico | 11/9 | 170 d | PROJECT LOON FLIGHT P-458 | 186 km N of Alice Springs, Australia |
| Ceiba, Puerto Rico | 11/9 | 160 d | PROJECT LOON FLIGHT P-465 | 10 km S of Cerro Chato, Florida Department, Uruguay |
| Ceiba, Puerto Rico | 11/18 | ~ 27 d | PROJECT LOON FLIGHT P-472 | Last known position above the Pacific Ocean west of Ecuador |
| Winnemucca (NV) | 11/18 | ~ 7 h | PROJECT LOON FLIGHT P-368 | 170 miles SE of Winnemucca, Nevada, US |
| Tillamook (OR) | 11/18 | --- | SATELLITE-BASED ADS-B | --- No Data --- |
| Ceiba, Puerto Rico | 11/18 | 171 d | PROJECT LOON FLIGHT P-477 | 40 km NW of Ali Curung, Northern Territory, Australia |
| Ceiba, Puerto Rico | 11/19 | 223 d | PROJECT LOON FLIGHT P-496 | 35 km WNW of Ica, Peru |
| Ceiba, Puerto Rico | 11/19 | 172 d | PROJECT LOON FLIGHT P-495 | 31 km NW of Ti Tree, Northern Territory, Australia |
| Ceiba, Puerto Rico | 11/29 | 173 d | PROJECT LOON FLIGHT P-480 | In Central Australia fixed recovery zone, 155 km NNW of Alice Springs |
| Ceiba, Puerto Rico | 11/29 | 155 d | PROJECT LOON FLIGHT P-498 | 36 km SE of Coen, Australia |
| Ceiba, Puerto Rico | 11/29 | 70 d | PROJECT LOON FLIGHT P-507 | NE of Battle Creek Ranch in Humboldt County, Nevada, US |
| Ceiba, Puerto Rico | 11/29 | 96 d | PROJECT LOON FLIGHT P-505 | 34 km SE of Coxim in Mato Grosso Do Sul State, Brazil |
| Ceiba, Puerto Rico | 11/30 | 127 d | PROJECT LOON FLIGHT P-508 | Near Anningie a small town located 221 km NNW of Alice Springs, Australia |
| Ceiba, Puerto Rico | 11/30 | 41 d | PROJECT LOON FLIGHT P-407 | Last known position Pisco province, Peru |
| Ceiba, Puerto Rico | 11/30 | 32 d | PROJECT LOON FLIGHT P-466 | Last known position Ica Department, Peru |
| Ceiba, Puerto Rico | 12/4 | 3 d | PROJECT LOON FLIGHT P-500 | 14 miles SE of Barahona, Dominican Republic |
| Ceiba, Puerto Rico | 12/4 | 80 d | PROJECT LOON FLIGHT P-474 | 40 km NW of Winnemucca, Nevada, US |
| Ceiba, Puerto Rico | 12/4 | 59 d | PROJECT LOON FLIGHT P-473 | 20 km west of Ica, Peru |
| Ceiba, Puerto Rico | 12/5 | 162 days | PROJECT LOON FLIGHT P-486 | 252 km N of Alice Springs, Australia |
| Ceiba, Puerto Rico | 12/5 | 169 d | PROJECT LOON FLIGHT P-512 | 204 km NNW of Alice Springs, Australia |
| Ceiba, Puerto Rico | 12/5 | 97 d | PROJECT LOON FLIGHT P-511 | 20 km SW of Copara, Ica, Peru |
| Ceiba, Puerto Rico | 12/8 | 165 d | PROJECT LOON FLIGHT P-478 | In Central Australia fixed recovery zone, 85 km NNW of Alice Springs |
 McMurdo | 12/9 | 74 d | BARREL 6A + GUSTO PATHFINDER | In the Amundsen Sea, 500 nautic miles west of Charcot Islands in the Antarctic Peninsula |
| Ceiba, Puerto Rico | 12/11 | 167 d | PROJECT LOON FLIGHT P-504 | 26 km W of Ica, Peru |
| Ceiba, Puerto Rico | 12/11 | 155 d | PROJECT LOON FLIGHT P-523 | 20 km SW of Wilora, Northern Territory, Australia |
| Ceiba, Puerto Rico | 12/12 | 161 d | PROJECT LOON FLIGHT P-547 | In Central Australia fixed recovery zone, 87 km NNW of Alice Springs |
| Ceiba, Puerto Rico | 12/12 | 44 d | PROJECT LOON FLIGHT P-548 | East of Cozumel Island, Mexico |
| Ceiba, Puerto Rico | 12/12 | 116 d | PROJECT LOON FLIGHT P-461 | 121 km W of Cruzeiro do Sul, Acre state, Brazil |
| Ceiba, Puerto Rico | 12/12 | 166 d | PROJECT LOON FLIGHT P-524 | 30 km W of Ica, Peru |
| Ceiba, Puerto Rico | 12/12 | 165 d | PROJECT LOON FLIGHT P-469 | In Presidente Hayes Department, 115 km N of Asuncion, Paraguay |
| Winnemucca (NV) | 12/13 | ~ 3 h | PROJECT LOON FLIGHT P-330 | East of Eureka, Nevada, US |
| McMurdo | 12/19 | 6 h 41 m | Super-TIGER II (Trans-Iron Galactic Element Recorder) | 280 km al NNW of McMurdo Station, Antarctica |
| Winnemucca (NV) | 12/19 | ~ 2 h | PROJECT LOON FLIGHT P-325 | 102 miles SE of Winnemucca, Nevada, US |
| Winnemucca (NV) | 12/20 | ~ 5 h | PROJECT LOON FLIGHT P-385 | 60 km N of Wells, Nevada, US |
| McMurdo | 12/30 | 2 d | X-CALIBUR / WASP | At coordinates -79.2902º S 94.7048º E in the Antarctic Plateau. |
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