In the table below you will find the records of stratospheric balloons launched from different countries during 2020, 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 |
|---|---|---|---|---|
 McMurdo | 1/6 | ~ 20 h | BLAST-TNG (Balloon-borne Large Aperture Sub-millimeter Telescope - The Next Generation) | --- No Data --- |
 Ceiba, Puerto Rico | 1/6 | 2 h | PROJECT LOON FLIGHT LN-110 | In the Caribbean Sea 2 miles SE of Palmas del Mar, Puerto Rico |
| Ceiba, Puerto Rico | 1/7 | 39 d | PROJECT LOON FLIGHT LN-090 | 50 km NW of Winnemucca, Nevada, US |
| Ceiba, Puerto Rico | 1/7 | 198 d | PROJECT LOON FLIGHT LN-093 | 28 km NW of Titree, Northern Territory, Australia |
| Ceiba, Puerto Rico | 1/13 | 118 d | PROJECT LOON FLIGHT LN-114 | 3 km W of Coëtivy Island, Seychelles Archipelago |
 Winnemucca (NV) | 1/15 | 1 h 38 m | PROJECT LOON FLIGHT LN-112 | 5 km SSE of Tuscarora, Nevada, US |
| Winnemucca (NV) | 1/23 | 6 h 20 m | PROJECT LOON FLIGHT LN-117 | 30 km W of Battle Mountain, Nevada, US |
| Ceiba, Puerto Rico | 1/25 | 176 d | PROJECT LOON FLIGHT LN-092 | 29 km SSW of Pmara Jutunta, Northern Territory, Australia |
| Ceiba, Puerto Rico | 1/25 | 153 d | PROJECT LOON FLIGHT LN-129 | 6 km SE of San Lorenzo, Loreto Department, Peru |
| Ceiba, Puerto Rico | 1/25 | 256 d | PROJECT LOON FLIGHT LN-116 | 15 km SSE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 1/29 | 6 d | PROJECT LOON FLIGHT LN-115 | 80 km N of Uruará, Pará State, Brazil |
| Ceiba, Puerto Rico | 1/29 | 228 d | PROJECT LOON FLIGHT LN-130 | 17 km E of De Grey, Western Australia |
| Ceiba, Puerto Rico | 1/30 | 160 d | PROJECT LOON FLIGHT LN-111 | 52 km W of Winnemucca, Nevada, US |
| Ceiba, Puerto Rico | 1/30 | 201 d | PROJECT LOON FLIGHT LN-125 | 6 km NW of Ica, Peru |
| Ceiba, Puerto Rico | 1/30 | 23 d | PROJECT LOON FLIGHT LN-109 | 15 km SSE of Eldorado, Texas, US |
| Winnemucca (NV) | 1/31 | 5 h 45 m | PROJECT LOON FLIGHT LN-118 | 40 km NW of Eureka, Nevada, US |
| Ceiba, Puerto Rico | 2/1 | 261 d | PROJECT LOON FLIGHT LN-126 | 25 km SE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 2/1 | 260 d | PROJECT LOON FLIGHT LN-132 | 11 km S of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 2/2 | 259 d | PROJECT LOON FLIGHT LN-026 | 34 km S of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 2/4 | 29 d | PROJECT LOON FLIGHT LN-137 | 28 km S of Ica, Peru |
| Ceiba, Puerto Rico | 2/4 | 197 d | PROJECT LOON FLIGHT LN-136 | 4 km E of El Salvador, Zacatecas, Mexico |
| Ceiba, Puerto Rico | 2/4 | 75 d | PROJECT LOON FLIGHT LN-131 | 17 km WSW of Lodwar, Kenya |
 ESRANGE | 2/11 | --- | VORTEX-DUST I | --- No Data --- |
| Spaceport Tucson (AZ) | 2/12 | 9d 14 h 30 m | STRATOLLITE - GRYPHON XVII | Sunk in the Atlantic Ocean east of the Lesser Antilles |
| ESRANGE | 2/19 | --- | MAGALT | --- No Data --- |
| Winnemucca (NV) | 2/28 | 6 h 5 m | PROJECT LOON FLIGHT LN-134 | 11 km NNE of Tuscarora, Nevada, US |
| Santa Fe County (NM) | 2/29 | 8 d | THUNDERHEAD FLIGHT 0388 | 10 km SW of Buckhead Ridge, close to the Okeechobee Lake, Florida, US |
| Santa Fe County (NM) | 3/2 | 4 h | THUNDERHEAD FLIGHT 0390 | Near McIntire, Iowa, US |
| Ceiba, Puerto Rico | 3/3 | 258 d | PROJECT LOON FLIGHT LN-140 | 32 km SSW of Anmatjere, Northern Territory, Australia |
| Winnemucca (NV) | 3/3 | 3 h 45 m | PROJECT LOON FLIGHT LN-152 | 32 km SE of Carlin, Nevada, US |
| Ceiba, Puerto Rico | 3/4 | 258 d | PROJECT LOON FLIGHT LN-155 | 70 km S of Anmatjere, Northern Territory, Australia |
| Winnemucca (NV) | 3/5 | 3 h 40 m | PROJECT LOON FLIGHT LN-120 | 55 km NW of Elko, Nevada, US |
| Winnemucca (NV) | 3/13 | 18 h 20 m | PROJECT LOON FLIGHT LN-135 | 11 km NE of Nora Springs, Iowa, US |
| Winnemucca (NV) | 3/13 | 18 h 30 m | PROJECT LOON FLIGHT LN-154 | 5 km NE of Nora Springs, Iowa, US |
 Spaceport Snowdonia | 3/20 | --- | CALL TO ORBIT PROGRAM | --- No Data --- |
| Ceiba, Puerto Rico | 4/9 | 240 d | PROJECT LOON FLIGHT LN-139 | 45 km ESE of Mandabe, Menabe region, Madagascar |
| Ceiba, Puerto Rico | 4/10 | 40 d | PROJECT LOON FLIGHT LN-156 | 33 km SSW of Sonora, Texas, US |
| Ceiba, Puerto Rico | 4/13 | 177 d | PROJECT LOON FLIGHT LN-138 | 20 km E of Oodnadatta, South Australia |
| Ceiba, Puerto Rico | 4/14 | 39 d | PROJECT LOON FLIGHT LN-141 | 30 km N of Leakey, Texas, US |
| Ceiba, Puerto Rico | 4/15 | 242 d | PROJECT LOON FLIGHT LN-163 | 25 km SSE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 4/15 | 243 d | PROJECT LOON FLIGHT LN-164 | 14 km SE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 4/23 | PROJECT LOON FLIGHT LN-166 | 8 km SE of Buta, Democratic Republic of the Congo | |
| Ceiba, Puerto Rico | 4/23 | 252 d | PROJECT LOON FLIGHT LN-168 | 15 km SSW of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 4/24 | 259 d | PROJECT LOON FLIGHT LN-167 | 17 km S of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 4/24 | 75 h | PROJECT LOON FLIGHT LN-173 | 3 km Offshore Pedasí, Los Santos Province, Panama |
| Ceiba, Puerto Rico | 4/24 | 248 d | PROJECT LOON FLIGHT LN-165 | 46 km ESE of Laramba, Northern Territory, Australia |
| Ceiba, Puerto Rico | 4/24 | 5 h 31 m | PROJECT LOON FLIGHT LN-169 | In the Caribbean Sea, 12 km N of Frederiksted, St Croix, US Virgin Islands |
| Ceiba, Puerto Rico | 5/11 | 171 d | PROJECT LOON FLIGHT LN-175 | Ditched in the Indian Ocean inside Gaafu Dhaalu Atoll, Maldives Islands |
| Ceiba, Puerto Rico | 5/21 | 214 d | PROJECT LOON FLIGHT LN-170 | Ditched in the Indian Ocean in a point located 8 km SW of Omadhoo Island, Alif Dhaal Atoll, Maldives |
| Ceiba, Puerto Rico | 5/22 | 207 d | PROJECT LOON FLIGHT LN-176 | Ditched in the Indian Ocean in a point located 890 km SE of Sri Lanka |
| Ceiba, Puerto Rico | 6/2 | 169 d | PROJECT LOON FLIGHT LN-178 | 80 km NNW of Alice Springs, Northern Territory, Australia |
| Winnemucca (NV) | 6/5 | 60 d | PROJECT LOON FLIGHT LN-186 | Ditched in the Indian Ocean 480 km East of Maldives |
| Ceiba, Puerto Rico | 6/5 | 226 d | PROJECT LOON FLIGHT LN-180 | Near Antongopahitra, Sambava Region, Madagascar |
| Ceiba, Puerto Rico | 6/5 | 230 d | PROJECT LOON FLIGHT LN-177 | 25 km NE of Santa Cruz dos Milagres, Piauí, Brazil |
| Ceiba, Puerto Rico | 6/6 | 192 d | PROJECT LOON FLIGHT LN-181 | Ditched in the Indian Ocean in a point located 5 km E of La Digue Island, Seychelles |
| Winnemucca (NV) | 6/8 | 262 d | PROJECT LOON FLIGHT LN-190 | 30 km SE of Itaqui, Rio Grande do Sul, Brazil |
| Winnemucca (NV) | 6/9 | 223 d | PROJECT LOON FLIGHT LN-179 | Ditched in the Indian Ocean 3 km E of Petite-Terre Island, Mayotte Archipelago |
| Winnemucca (NV) | 6/9 | 20 d | PROJECT LOON FLIGHT LN-174 | 25 km SSW of Pmara Jutunta, Northern Territory, Australia |
| Winnemucca (NV) | 6/9 | 176 d | PROJECT LOON FLIGHT LN-185 | 22 km S of Anmatjere, Northern Territory, Australia |
| Winnemucca (NV) | 6/9 | 28 h | PROJECT LOON FLIGHT LN-151 | In Mine Bridger, Points of Rock, Wyoming, US |
| Winnemucca (NV) | 6/10 | 226 d | PROJECT LOON FLIGHT LN-172 | 9 km NE of Molteno, Eastern Cape Province, South Africa |
| Winnemucca (NV) | 6/12 | 171 d | PROJECT LOON FLIGHT LN-184 | Ditched in the Indian Ocean 13 km SE of Kinbidhoo, Thaa Atoll, Maldives Islands |
| Winnemucca (NV) | 6/12 | 229 d | PROJECT LOON FLIGHT LN-187 | 32 km N of Santa Filomena, Piauí, Brazil |
| Winnemucca (NV) | 6/12 | 330 d | PROJECT LOON FLIGHT LN-191 | Impact on the Indian Ocean, 620 km SE of Rodrigues Island, Mauritius |
| Winnemucca (NV) | 6/12 | 221 d | PROJECT LOON FLIGHT LN-193 | Ditched in the Indian Ocean 12 km S of Mayotte Archipelago |
| Winnemucca (NV) | 6/12 | 227 d | PROJECT LOON FLIGHT LN-189 | 25 km NE of Santa Cruz dos Milagres, Piauí, Brazil |
| Ceiba, Puerto Rico | 6/13 | 36 h | PROJECT LOON FLIGHT LN-196 | 2 km SW of Stubbs, Saint Vincent |
| Ceiba, Puerto Rico | 6/13 | 237 d | PROJECT LOON FLIGHT LN-192 | 10 km SSE of Santa Cruz dos Milagres, Piauí, Brazil |
| Ceiba, Puerto Rico | 6/15 | 265 d | PROJECT LOON FLIGHT LN-197 | 22 km S of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 6/16 | 61 h | PROJECT LOON FLIGHT LN-205 | In the Pacific Ocean 3 Km S of Cébaco Island, Veraguas Province, Panama |
| Ceiba, Puerto Rico | 6/16 | 335 d | PROJECT LOON FLIGHT LN-206 | 70 km SE of Laramba, Northern Territory, Australia |
| Ceiba, Puerto Rico | 6/16 | 187 d | PROJECT LOON FLIGHT LN-195 | 20 km WSW of São Miguel do Tapuio, Piauí, Brazil |
| Ceiba, Puerto Rico | 6/16 | 256 d | PROJECT LOON FLIGHT LN-199 | 70 km S of Aus, ?Karas Region, Namibia |
| Ceiba, Puerto Rico | 6/16 | 223 d | PROJECT LOON FLIGHT LN-128 | 45 km SSW of Puerto Gaitan, Departamento del Meta, Colombia |
| Winnemucca (NV) | 6/17 | 206 d | PROJECT LOON FLIGHT LN-202 | 30 km W of Mangataboahangy, Amoron'i Mania Region, Madagascar |
| Winnemucca (NV) | 6/17 | 225 d | PROJECT LOON FLIGHT LN-204 | 4 km S of Broughton, Eastern Cape Province, South Africa |
| Winnemucca (NV) | 6/17 | 216 d | PROJECT LOON FLIGHT LN-194 | 47 km W of Bealanana, Sofia Region, Madagascar |
| Winnemucca (NV) | 6/19 | 144 d | PROJECT LOON FLIGHT LN-203 | Ditched in the Indian Ocean 6 km S of Vaadhoo Atoll, Maldives Islands |
| Winnemucca (NV) | 6/19 | 225 d | PROJECT LOON FLIGHT LN-201 | 36 km NNE of Jacareacanga, Para state, Brazil |
| Winnemucca (NV) | 6/19 | 227 d | PROJECT LOON FLIGHT LN-215 | 36 km N of Creporizinho, Para State, Brazil |
| Winnemucca (NV) | 6/19 | 257 d | PROJECT LOON FLIGHT LN-200 | 27 km SSW of Anmatjere, Northern Territory, Australia |
| Winnemucca (NV) | 6/19 | 254 d | PROJECT LOON FLIGHT LN-214 | 4 km N of Mateiros, Tocantins, Brazil |
| White Sands (NM) | 6/21 | --- | CST-100 STARLINER PARACHUTE SYSTEM TEST | White Sands Missile Range, New Mexico, US |
| Winnemucca (NV) | 6/23 | 109 d | PROJECT LOON FLIGHT LN-213 | 24 km WNW of Ambanja, Madagascar |
| Winnemucca (NV) | 6/23 | 78 d | PROJECT LOON FLIGHT LN-212 | 19 km NE of Andilamena, Alaotra-Mangoro Region, Madagascar |
| Ceiba, Puerto Rico | 6/24 | 190 d | PROJECT LOON FLIGHT LN-208 | 15 km NW of Santiago, Morona Santiago Province, Ecuador |
| Ceiba, Puerto Rico | 6/25 | 140 d | PROJECT LOON FLIGHT LN-159 | 50 km S of Calamar, Estado Guaviare, Colombia |
| Ceiba, Puerto Rico | 6/25 | 213 d | PROJECT LOON FLIGHT LN-127 | 42 km SW of Puerto Gaitan, Departamento del Meta, Colombia |
| Ceiba, Puerto Rico | 6/25 | 190 d | PROJECT LOON FLIGHT LN-209 | 26 km S of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 6/25 | 234 d | PROJECT LOON FLIGHT LN-207 | 91 km N of Alice Springs, Northern Territory, Australia |
| Winnemucca (NV) | 6/26 | 205 d | PROJECT LOON FLIGHT LN-220 | 11 km NW of Ankisatra, Melaky Region, Madagascar |
| Winnemucca (NV) | 6/26 | 160 d | PROJECT LOON FLIGHT LN-217 | 14 km ESE of Taylor Creek Rest Area, Northern Territory, Australia |
| Winnemucca (NV) | 6/26 | 133 d | PROJECT LOON FLIGHT LN-218 | In the Ifaty Forest, Atsimo-Andrefana region, Madagascar |
| Ceiba, Puerto Rico | 6/26 | 29 d | PROJECT LOON FLIGHT LN-171 | 14 km WSW of Magado, Meru County, Kenya |
| Ceiba, Puerto Rico | 6/26 | 116 d | PROJECT LOON FLIGHT LN-210 | 35 km SE of Antanimieva, Morombe District, Madagascar |
| Ceiba, Puerto Rico | 6/26 | 86 d | PROJECT LOON FLIGHT LN-225 | 50 KM NW of Maloko, Department of Cuvette, Republic of Congo |
| Winnemucca (NV) | 6/26 | 96 d | PROJECT LOON FLIGHT LN-219 | Ditched in the Indian Ocean, 900 kms NW of Cape Range, Australia |
| Ceiba, Puerto Rico | 6/28 | 23 h 37 m | PROJECT LOON FLIGHT LN-224 | In the Caribbean sea 90 km south of Puerto Rico |
| Ceiba, Puerto Rico | 6/28 | 161 d | PROJECT LOON FLIGHT LN-211 | Ditched in the Indian Ocean 4 km E of Maadheli, Dhaalu Atoll, Maldives Islands |
| Gila Bend Muni (AZ) | 6/29 | 9 h | RAVEN AEROSTAR FLIGHT 0409 | Last known position SE of Prescott, Arizona, US |
| Gila Bend Muni (AZ) | 6/30 | 12 h 30 m | RAVEN AEROSTAR FLIGHT 0410 | Near Cox, Arizona, US |
| Gila Bend Muni (AZ) | 6/30 | 7 h | RAVEN AEROSTAR FLIGHT 0411 | Last known position New Water Mountains Wilderness Area, Arizona, US |
| Winnemucca (NV) | 6/30 | 127 d | PROJECT LOON FLIGHT LN-227 | 18 km SSW of Anmatjere, Northern Territory, Australia |
| Raven campus, Baltic (SD) | 7/2 | 59 d | THUNDERHEAD FLIGHT 0412 | E of Duncan, Oklahoma, US |
| Raven campus, Baltic (SD) | 7/2 | 6 h | RAVEN AEROSTAR FLIGHT 02 | Near Carthage, South Dakota, US |
| Raven campus, Baltic (SD) | 7/2 | 7 h 50 m | RAVEN AEROSTAR FLIGHT 01 | Near Olivia, South Dakota, US |
| Winnemucca (NV) | 7/9 | 137 d | PROJECT LOON FLIGHT LN-228 | Ditched in the Indian Ocean 500 km SE of Maldives |
| Raven campus, Baltic (SD) | 7/9 | 55 h | RAVEN AEROSTAR FLIGHT 01 | Near Clark, South Dakota, US |
| Winnemucca (NV) | 7/9 | 148 d | PROJECT LOON FLIGHT LN-226 | Impact on the Indian Ocean, 10 km E of Burunee, Thaa Atoll, Maldives Islands |
| Lemitar (NM) | 7/10 | 7 h | AEROSEISMOMETER | Last known position near St. Johns, Arizona, US |
| Lemitar (NM) | 7/10 | 8 h | AEROSEISMOMETER | Last known position near St. Johns, Arizona, US |
| Roswell (NM) | 7/11 | 10 h | RAVEN AEROSTAR FLIGHT 0417 | SW of Hatch, New Mexico, US |
| Roswell (NM) | 7/11 | 13 h | RAVEN AEROSTAR FLIGHT 0421 | SW of Hatch, New Mexico, US |
| Roswell (NM) | 7/11 | 9 h | RAVEN AEROSTAR FLIGHT 0416 | W of Derry, New Mexico, US |
| Roswell (NM) | 7/11 | 13 h | RAVEN AEROSTAR FLIGHT 0419 | SW of Denim, New Mexico, US |
| Roswell (NM) | 7/11 | 7 h 30 m | RAVEN AEROSTAR FLIGHT 0418 | SW of Denim, New Mexico, US |
| Roswell (NM) | 7/11 | 2 h | RAVEN AEROSTAR FLIGHT 0420 | Last known position W of Roswell, New Mexico, US |
 Taiki | 7/14 | ~ 1 h | SUPERPRESSURE BALLOON TEST | In the Pacific Ocean, 40 km ESE of Taiki, Japan |
| Winnemucca (NV) | 7/15 | 49 d | PROJECT LOON FLIGHT LN-233 | 25 km NNW of Ghan, Northern Territory, Australia |
| Winnemucca (NV) | 7/15 | 168 d | PROJECT LOON FLIGHT LN-234 | 18 km NNE of Itampolo, Atsimo-Andrefana Region, Madagascar |
| Raven campus, Baltic (SD) | 7/16 | 16 h | RAVEN AEROSTAR FLIGHT 01 | Near Kanhawa, Iowa, US |
| Raven campus, Baltic (SD) | 7/22 | 7 h 40 m | RAVEN AEROSTAR FLIGHT 02 | Near Cherokee, Iowa, US |
| Raven campus, Baltic (SD) | 7/22 | 8 h | RAVEN AEROSTAR FLIGHT 01 | Near Emmetsburg, Iowa, US |
| Raven campus, Baltic (SD) | 7/23 | 2 h | RAVEN AEROSTAR FLIGHT 550 | Near Luverne, Minnesota, US |
| Winnemucca (NV) | 7/24 | 107 d | PROJECT LOON FLIGHT LN-231 | 22 km S of Anmatjere, Northern Territory, Australia |
| Winnemucca (NV) | 7/24 | 116 d | PROJECT LOON FLIGHT LN-243 | Ditched in the Atlantic Ocean, 17 km offshore Lobito, Angola |
| Winnemucca (NV) | 7/24 | 177 d | PROJECT LOON FLIGHT LN-248 | 25 km E of Ambalabingo, Mahajanga Province, Madagascar |
| Winnemucca (NV) | 7/24 | 58 d | PROJECT LOON FLIGHT LN-235 | On the Indian Ocean 23 km ESE of Cape Masoala, Sava Region, Madagascar |
| Winnemucca (NV) | 7/24 | 130 d | PROJECT LOON FLIGHT LN-244 | 51 km W of Antsibare, Madagascar |
| Winnemucca (NV) | 7/24 | 171 d | PROJECT LOON FLIGHT LN-232 | 24 km NNW of Anaurilandia, Mato Grosso do Sul, Brazil |
| Taiki | 7/25 | 3 h 50 m | CRYOGENIC SAMPLER | In the Pacific Ocean, 30 km SE of Taiki, Japan |
| Raven campus, Baltic (SD) | 7/27 | 14 h | RAVEN AEROSTAR FLIGHT 01 | Near Iowa Falls, Iowa, US |
| Raven campus, Baltic (SD) | 7/28 | 5 h 50 m | RAVEN AEROSTAR FLIGHT 02 | Near Ireton, Iowa, US |
| Winnemucca (NV) | 7/28 | 252 d | PROJECT LOON FLIGHT LN-251 | 16 km NE of Ti Tree, Northern Territory, Australia |
| Winnemucca (NV) | 7/28 | 152 d | PROJECT LOON FLIGHT LN-249 | In Ankarafantsika National Park, Boeny Region, Madagascar |
| Raven campus, Baltic (SD) | 7/30 | 9 d | THUNDERHEAD FLIGHT HBAL01 | Last known position over SW Nebraska, US |
| Winnemucca (NV) | 7/30 | 70 d | PROJECT LOON FLIGHT LN-252 | Ditched in the Indian Ocean in a point located 730 km SE of Banda Aceh, Sumatra |
| Winnemucca (NV) | 7/30 | 103 d | PROJECT LOON FLIGHT LN-254 | Ditched in the Indian Ocean 1.5 km N of Aride Island, Seychelles |
| Winnemucca (NV) | 8/3 | 21 d | PROJECT LOON FLIGHT LN-230 | 27 km NNE of Snyder, Texas, US |
| Winnemucca (NV) | 8/5 | 91 d | PROJECT LOON FLIGHT LN-253 | 8 km S of Irangi, Tana River County, Kenya |
| Winnemucca (NV) | 8/5 | 28 d | PROJECT LOON FLIGHT LN-255 | Davidson Point, Admiralty Gulf Aborigin Reserve, Western Australia |
| Winnemucca (NV) | 8/5 | 32 d | PROJECT LOON FLIGHT LN-256 | 17 km W of Wilora, Northern Territory, Australia |
| Winnemucca (NV) | 8/5 | 63 d | PROJECT LOON FLIGHT LN-257 | In the Indian Ocean 830 km E of Chagos Archipelago |
| Winnemucca (NV) | 8/6 | 58 d | PROJECT LOON FLIGHT LN-258 | 3 Km S of Kamboe Village, Marsabit County, Kenya |
| Winnemucca (NV) | 8/6 | 23 d | PROJECT LOON FLIGHT LN-259 | New Ireland Island, Pacific Ocean |
| Raven campus, Baltic (SD) | 8/6 | 31 h | THUNDERHEAD FLIGHT HBAL02 | Near Owatonna, Minnesota, US |
| Winnemucca (NV) | 8/7 | 23 d | PROJECT LOON FLIGHT LN-260 | New Britain Island, Pacific Ocean |
| Raven campus, Baltic (SD) | 8/11 | 10 h | RAVEN AEROSTAR FLIGHT 01 | 5 miles NW of West Union, Iowa, US |
| Winnemucca (NV) | 8/12 | 32 d | PROJECT LOON FLIGHT LN-262 | 12 km ESE of Kidston, Queensland, Australia |
| Raven campus, Baltic (SD) | 8/14 | 5 h 45 m | RAVEN AEROSTAR FLIGHT 02 | Near Renville, Minnesota, US |
| Raven campus, Baltic (SD) | 8/14 | 7 h 45 m | RAVEN AEROSTAR FLIGHT 04 | Near Westbrook, Minnesota, US |
| Raven campus, Baltic (SD) | 8/14 | 55 m | RAVEN AEROSTAR FLIGHT 02 | Balloon failure at 28.000 ft. Payload landed SW of Jasper, Minnesota, US |
| Winnemucca (NV) | 8/19 | 82 d | PROJECT LOON FLIGHT LN-266 | 9 km E of Pamayu, Northern Territory, Australia |
| Raven campus, Baltic (SD) | 8/19 | 94 d | THUNDERHEAD FLIGHT HBAL01 | W of Indianapolis, Indiana, US |
| Raven campus, Baltic (SD) | 8/19 | 16 d | THUNDERHEAD | NE of Carlsbad, New Mexico, US |
| Winnemucca (NV) | 8/19 | 151 d | PROJECT LOON FLIGHT LN-265 | 22 km WSW of Alto Araguaia, Mato Grosso do Sul, Brazil |
| Winnemucca (NV) | 8/19 | 141 d | PROJECT LOON FLIGHT LN-264 | 20 km S of Paraiso das Aguas, Mato Grosso do Sul, Brazil |
| Winnemucca (NV) | 8/19 | 169 d | PROJECT LOON FLIGHT LN-263 | Ditched in the Indian Ocean 780 km S of Sri Lanka |
| ESRANGE | 8/20 | --- | Mini-BOOSTER - I | --- No Data --- |
| ESRANGE | 8/20 | --- | Mini-BOOSTER - III | --- No Data --- |
| ESRANGE | 8/20 | --- | Mini-BOOSTER - II | --- No Data --- |
| Page (AZ) | 8/20 | 3 d | STRATOLLITE - GRYPHON XVIII | Last tracked near Pia Oik, Arizona, US |
| Ceiba, Puerto Rico | 8/20 | 90 d | PROJECT LOON FLIGHT LN-216 | Ditched in the Indian Ocean 7.5 kms SW of Kanifushi, Lhaviyani Atoll, Maldives |
| Ceiba, Puerto Rico | 8/20 | 209 d | PROJECT LOON FLIGHT LN-236 | 21 km SSE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 8/20 | 92 d | PROJECT LOON FLIGHT LN-221 | Ditched inside Gaafu Dhaalu Atoll, Maldives Islands |
| Ceiba, Puerto Rico | 8/20 | 50 d | PROJECT LOON FLIGHT LN-222 | 16 km NE of Mahabo, Menabe Region, Madagascar |
| Ceiba, Puerto Rico | 8/20 | 70 d | PROJECT LOON FLIGHT LN-239 | 28 km WSW of Maikona, Marsabit County, Kenya |
| Ceiba, Puerto Rico | 8/20 | 60 d | PROJECT LOON FLIGHT LN-237 | 8 km N of Kamboe, Marsabit County, Kenya |
 Dachaidan | 8/23 | + 16 h | MULTI-INSTRUMENTAL PLATFORM | --- No Data --- |
| Winnemucca (NV) | 8/24 | 2 h 45 m | PROJECT LOON FLIGHT LN-182 | 29 km ENE of Paradise Valley, Nevada, US |
| Ceiba, Puerto Rico | 8/25 | 61 d | PROJECT LOON FLIGHT LN-241 | 13 km NE of Dhobley, Lower Juba Region, Somalia |
| Tillamook (OR) | 8/26 | 2 h 15 m | PAYLOAD UNKNOWN | 3 miles NE of Jordan Creek, Oregon, US |
| Winnemucca (NV) | 8/27 | 2 h 40 m | PROJECT LOON FLIGHT LN-119 | 60 km E of Paradise Valley, Nevada, US |
| Winnemucca (NV) | 8/28 | 20 h | PROJECT LOON FLIGHT LN-143 | 32 km SW of Table Rock, Wyoming, US |
| Roswell (NM) | 8/31 | 33 h | THUNDERHEAD FLIGHT 0439 | W of Garfield, New Mexico, US |
| Roswell (NM) | 8/31 | 31 h | THUNDERHEAD FLIGHT 0441 | Near Hatch, New Mexico, US |
| Roswell (NM) | 8/31 | 15 h | THUNDERHEAD FLIGHT 0440 | 36 km NW of Carrizozo, New Mexico, US |
| Ceiba, Puerto Rico | 9/1 | 190 d | PROJECT LOON FLIGHT LN-250 | 2.5 km W of Broughton, Eastern Cape Province, South Africa |
| Dachaidan | 9/3 | 18 h 44 m | BAP-CAS (Balloon-Borne Astrobiology Platform) | In the Tibetan plateau at coordinates 92.48º E - 37.57º N |
| Raven campus, Baltic (SD) | 9/4 | 14 d | THUNDERHEAD FLIGHT HBAL03 | 2 km SW of Coopersburg, Lehigh County, Pennsylvania, US |
| Ceiba, Puerto Rico | 9/10 | 37 d | PROJECT LOON FLIGHT LN-246 | 32 km S of Alto Rio Senguer, Chubut, Argentina |
| Ceiba, Puerto Rico | 9/10 | 14 d | PROJECT LOON FLIGHT LN-247 | 8 km S of Escondido, Cohauila de Zaragoza, Mexico |
| Ceiba, Puerto Rico | 9/10 | 13 d | PROJECT LOON FLIGHT LN-245 | 15 km SSE of Golconda, Nevada, US |
| Ceiba, Puerto Rico | 9/10 | 102 d | PROJECT LOON FLIGHT LN-240 | 60 km S of Laramba, Northern Territory, Australia |
| Ceiba, Puerto Rico | 9/11 | 23 d | PROJECT LOON FLIGHT LN-242 | 1,3 km E offshore Great Inagua Island, Bermuda |
| Roswell (NM) | 9/14 | 2 d | THUNDERHEAD FLIGHT 0462 | 10 miles SW of Las Cruces, New Mexico, US |
| Roswell (NM) | 9/14 | 2 d | THUNDERHEAD FLIGHT 0463 | Last known position over Cornudas Mountains, near the NM/TX border, US |
| Roswell (NM) | 9/14 | 4 d | THUNDERHEAD FLIGHT 0464 | 20 miles E of El Paso, Texas, US |
| Dachaidan | 9/14 | --- | MULTI-INSTRUMENTAL PLATFORM | --- No Data --- |
| Roswell (NM) | 9/15 | 2 d | THUNDERHEAD FLIGHT 0461 | In Culberson County, Texas, US |
| Roswell (NM) | 9/15 | 3 d | THUNDERHEAD FLIGHT 0459 | 15 miles SE of Lordsburg, New Mexico, US |
| Winnemucca (NV) | 9/16 | 2 h 30 m | PROJECT LOON FLIGHT LN-144 | 44 km NNE of Valmy, Nevada, US |
| Page (AZ) | 9/19 | 1 d | STRATOLLITE - GRYPHON XX | --- No Data --- |
| White Sands (NM) | 9/19 | --- | CST-100 STARLINER PARACHUTE SYSTEM TEST | White Sands Missile Range, New Mexico, US |
| Winnemucca (NV) | 9/23 | 26 h 20 m | PROJECT LOON FLIGHT LN-145 | 50 km N of Medicine Bow, Wyoming, US |
| Raven campus, Baltic (SD) | 9/28 | 8 d | THUNDERHEAD | NE of Peebles, Adamson County, Ohio, US |
| Raven campus, Baltic (SD) | 9/28 | 82 h | THUNDERHEAD | Last known position SW of Dayton, Ohio, US |
| Raven campus, Baltic (SD) | 10/2 | 9 h 45 m | RAVEN AEROSTAR FLIGHT 03 | Near Manson, Iowa, US |
| Spaceport Tucson (AZ) | 10/5 | 4 h | PAYLOAD UNKNOWN | 7 km W of Amado, Santa Cruz County, Arizona, US |
| Raven campus, Baltic (SD) | 10/7 | 19 h | RAVEN AEROSTAR FLIGHT 02 | 10 miles NE of Attica, Indiana, US |
| Winnemucca (NV) | 10/7 | 5 h 20 m | PROJECT LOON FLIGHT LN-267 | 36 km NNE of Golconda, Nevada, US |
| Winnemucca (NV) | 10/8 | 6 h 9 m | PROJECT LOON FLIGHT LN-238 | 33 km NW of Halleck, Nevada, US |
| Santa Fe County (NM) | 10/14 | 2 d | THUNDERHEAD FLIGHT 0467 | 40 km E of Lubbock, Texas, US |
| Winnemucca (NV) | 10/14 | 12 d | PROJECT LOON FLIGHT LN-149 | Ditched in the Caribbean Sea, 2 kms E of Wilbanks Point, Andros Island, Bahamas |
| Winnemucca (NV) | 10/14 | 7 d | PROJECT LOON FLIGHT LN-146 | In the Atlantic Ocean, 4 km NE of Cayo Icacos, Puerto Rico |
| Winnemucca (NV) | 10/14 | 35 d | PROJECT LOON FLIGHT LN-147 | 18 km W of Rock Point, Arizona, US |
| Winnemucca (NV) | 10/14 | 34 d | PROJECT LOON FLIGHT LN-148 | 35 km NE of Tuscarora, Nevada, US |
| Santa Fe County (NM) | 10/15 | 60 d | THUNDERHEAD FLIGHT 0469 | Last known position in the Atlantic Ocean, 1000 km W of Sao Tome and Principe |
| Santa Fe County (NM) | 10/15 | 3 h | THUNDERHEAD FLIGHT 0468 | 10 Miles SE of Vaughn, New Mexico, US |
| Sisters Eagle Airport (OR) | 10/16 | ~ 4 h | CUBESAT - DSA | SE of Paulina, Oregon, US |
| Raven campus, Baltic (SD) | 10/21 | 3 h 20 m | RAVEN AEROSTAR FLIGHT 01 | Near Blooming Prairie, Minnesota, US |
| Chamberlain Muni (SD) | 10/21 | ~ 8 h | RAVEN AEROSTAR FLIGHT 0471 | E of Saint James, Minnesota, US |
| Ceiba, Puerto Rico | 10/27 | 29 d | PROJECT LOON FLIGHT LN-279 | Ditched in the Indian Ocean 22 km S of Vaadhoo Atoll, Maldives Islands |
| Hot Springs (SD) | 10/28 | RAVEN AEROSTAR FLIGHT 0472 | Last known position SE of Lake Oglala, South Dakota, US | |
| Ceiba, Puerto Rico | 10/28 | 98 d | PROJECT LOON FLIGHT LN-223 | Ditched in the Indian Ocean 11 km N of Kudalafari Island, Huvadhu Atoll, Maldives |
| Winnemucca (NV) | 10/29 | 3 h 10 m | PROJECT LOON FLIGHT LN-273 | 19 km SW of Valmy, Nevada, US |
| Spaceport Tucson (AZ) | 10/31 | 3 h | STRATOLLITE - GRYPHON XXI | 23 km NE of Bowie, Arizona, US |
| ESRANGE | 11/3 | ~ 4 h | EOSTRE (Experiment on Outliving microorganisms under STRatospheric Environment) | Near Pokka, Finland |
| Ceiba, Puerto Rico | 11/4 | 59 d | PROJECT LOON FLIGHT LN-280 | Ditched in the Indian Ocean in a point located 1 km SW of Petite Soeur Island, Seychelles |
| Ceiba, Puerto Rico | 11/4 | 144 d | PROJECT LOON FLIGHT LN-284 | 25 km SSW of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 11/4 | 139 d | PROJECT LOON FLIGHT LN-278 | Ditched in the Indian Ocean 4 km NE of Petite-Terre Island, Mayotte Archipelago |
| Ceiba, Puerto Rico | 11/4 | 19 d | PROJECT LOON FLIGHT LN-282 | 23 km ESE of Anmatjere, Northern Territory, Australia |
| Chamberlain Muni (SD) | 11/4 | ~ 20 h | RAVEN AEROSTAR FLIGHT 0466 | 5 km N of Orion Town, Wisconsin, US |
| Ceiba, Puerto Rico | 11/5 | 6 d | PROJECT LOON FLIGHT LN-285 | 38 km SE of Zouérat, Tiris Zemmour region, Mauritania |
| Madras Muni. (OR) | 11/9 | --- | EXO-MARS HADT (High Altitude Drop Test) | --- No Data --- |
| Winnemucca (NV) | 11/12 | 28 h | PROJECT LOON FLIGHT LN-094 | 6 km SSE of Atkinson, Nebraska, US |
| Winnemucca (NV) | 11/12 | 5 h 10 m | PROJECT LOON FLIGHT LN-268 | 42 km S of Wells, Nevada, US |
| Ceiba, Puerto Rico | 11/13 | 14 d | PROJECT LOON FLIGHT LN-288 | 8 km E of Ngoa, Haut-Uele province, Democratic Republic of Congo |
| Ceiba, Puerto Rico | 11/13 | 67 d | PROJECT LOON FLIGHT LN-287 | Ditched in the Indian Ocean 165 km SW of Aldabra Atoll |
| Ceiba, Puerto Rico | 11/13 | 53 d | PROJECT LOON FLIGHT LN-277 | Ditched in Indian Ocean 6 km N of Hulhumeedhoo, Addu Atoll, Maldives Islands |
| Ceiba, Puerto Rico | 11/13 | 140 d | PROJECT LOON FLIGHT LN-286 | Ditched in the Atlantic Ocean, 42 km W of the mouth of the Olifants River, Western Cape Province, Southafrica |
| Raven campus, Baltic (SD) | 11/13 | 6 h | RAVEN AEROSTAR FLIGHT 03 | Near Spring Valley, Minnesota, US |
| Ceiba, Puerto Rico | 11/13 | 97 d | PROJECT LOON FLIGHT LN-283 | Recovered from the Indian Ocean 5 km E of Mahe, Seychelles Islands |
| Ceiba, Puerto Rico | 11/16 | 25 d | PROJECT LOON FLIGHT LN-291 | 28 km NNW of Kalombo, Lualaba Region, Democratic Republic of the Congo |
| Ceiba, Puerto Rico | 11/16 | 99 d | PROJECT LOON FLIGHT LN-289 | Ditched in the Indian Ocean, 8 km W of Feeali Island, Faafu Atoll, Maldives |
| Ceiba, Puerto Rico | 11/16 | 43 d | PROJECT LOON FLIGHT LN-290 | 22 km S of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 11/17 | 110 d | PROJECT LOON FLIGHT LN-292 | Ditched in the Indian Ocean, 10 km SE of Kudahuvadhoo Island, Dhaalu Atoll, Maldives |
| Ceiba, Puerto Rico | 11/17 | 33 d | PROJECT LOON FLIGHT LN-294 | Ditched in the Indian Ocean in a point located 5 km E of Grande Soeur Island, Seychelles |
| Santa Fe County (NM) | 11/18 | 2 d 15 h | RAVEN AEROSTAR FLIGHT 0474 | W of Fort Wayne, Indiana, US |
| Ceiba, Puerto Rico | 11/18 | 116 d | PROJECT LOON FLIGHT LN-297 | 10 km SE of Molteno, Eastern Cape Province, South Africa |
| Ceiba, Puerto Rico | 11/18 | 148 d | PROJECT LOON FLIGHT LN-295 | In the desert, 80 km NW of Marsabit, Kenya |
| Ceiba, Puerto Rico | 11/18 | 126 d | PROJECT LOON FLIGHT LN-298 | 18 km E of Anmatjere, Northern Territory, Australia |
| Santa Fe County (NM) | 11/18 | 3 h 15 m | RAVEN AEROSTAR FLIGHT 0475 | NW of Santa Rosa, New Mexico, US |
| Ceiba, Puerto Rico | 11/20 | 149 d | PROJECT LOON FLIGHT LN-293 | 34 km SW of Perito Moreno, Santa Cruz, Argentina |
| Empire (NV) | 11/28 | 12 h | ZPM-1 (Zephyr Pathfinder Mission 1) | In southern Utah, US |
| Ceiba, Puerto Rico | 12/3 | 87 d | PROJECT LOON FLIGHT LN-300 | Ditched in the Indian Ocean, 1000 km E of Maldives |
| Ceiba, Puerto Rico | 12/3 | 5 d | PROJECT LOON FLIGHT LN-299 | 53 km E of Nuakchot, Mauritania |
| Ceiba, Puerto Rico | 12/3 | 97 d | PROJECT LOON FLIGHT LN-296 | Ditched in the Indian Ocean, 45 km N of Kolamaafushi Island, Gaafu Alif Atoll, Maldives |
| Ceiba, Puerto Rico | 12/3 | 153 d | PROJECT LOON FLIGHT LN-301 | 67 km SW of Perito Moreno, Santa Cruz, Argentina |
| Ceiba, Puerto Rico | 12/4 | 108 d | PROJECT LOON FLIGHT LN-302 | Ditched in the Indian Ocean, 840 km NNW of Cocos Islands |
| Cochise County Airport (AZ) | 12/7 | 4 h | RAVEN AEROSTAR FLIGHT 0477 | 6 km N of Vail, Arizona, US |
| ESRANGE | 12/8 | --- | VORTEX-DUST II | --- No Data --- |
| Ceiba, Puerto Rico | 12/8 | 150 d | PROJECT LOON FLIGHT LN-310 | 21 km SSE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 12/8 | 46 d | PROJECT LOON FLIGHT LN-306 | 28 km SW of Castelo do Piauí, Brazil |
| Ceiba, Puerto Rico | 12/8 | 127 d | PROJECT LOON FLIGHT LN-309 | 27 km SE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 12/8 | 5 d | PROJECT LOON FLIGHT LN-304 | 41 km ENE of Nuakchot, Mauritania |
| Cochise County Airport (AZ) | 12/8 | 7 h | RAVEN AEROSTAR FLIGHT 0478 | 36 km W of Wilcox, Arizona, US |
| Winnemucca (NV) | 12/9 | 3 h 15 m | PROJECT LOON FLIGHT LN-269 | 35 km WSW of Tuscarora, Nevada, US |
| Ceiba, Puerto Rico | 12/9 | 61 d | PROJECT LOON FLIGHT LN-311 | Ditched in the Indian Ocean 620 km SW of Banda Aceh, Sumatra |
| Cochise County Airport (AZ) | 12/9 | 4 h | RAVEN AEROSTAR FLIGHT 480 | SE of Safford, Arizona, US |
| Cochise County Airport (AZ) | 12/9 | 1 h 30 m | RAVEN AEROSTAR FLIGHT 479 | SE of Safford, Arizona, US |
| Big Bear City (CA) | 12/9 | 34 h | RAVEN AEROSTAR FLIGHT 481 | Off limits of Mojave Trails National Monument, California, US |
| Dagget (CA) | 12/10 | 29 h 30 m | RAVEN AEROSTAR FLIGHT 482 | Near Borrego Springs, California, US |
| Santa Fe County (NM) | 12/14 | ~ 26 d | THUNDERHEAD FLIGHT 483 | Last known position over the Atlantic Ocean, 500 km NE of British Virgin Islands |
| Ceiba, Puerto Rico | 12/16 | 17 d | PROJECT LOON FLIGHT LN-308 | 27 km NNE of Jamestown, Eastern Cape Province, South Africa |
| Ceiba, Puerto Rico | 12/16 | 120 d | PROJECT LOON FLIGHT LN-313 | In the desert, 62 km NW of Marsabit, Kenya |
| Ceiba, Puerto Rico | 12/16 | 142 d | PROJECT LOON FLIGHT LN-305 | 30 km NE of Ti Tree, Northern Territory, Australia |
| Ceiba, Puerto Rico | 12/16 | 42 d | PROJECT LOON FLIGHT LN-315 | Ditched in the Indian Ocean 1.100 km NNE of Seychelles Islands |
| Ceiba, Puerto Rico | 12/18 | 120 d | PROJECT LOON FLIGHT LN-307 | 10 km SSE of Anmatjere, Northern Territory, Australia |
| Ceiba, Puerto Rico | 12/18 | 11 d | PROJECT LOON FLIGHT LN-314 | 15 km E of Sao Joao da Serra, Piauí, Brazil |
| Ceiba, Puerto Rico | 12/19 | 32 d | PROJECT LOON FLIGHT LN-312 | 24 km SW of Jamestown, Eastern Cape Province, South Africa |
| Ceiba, Puerto Rico | 12/19 | 35 d | PROJECT LOON FLIGHT LN-318 | Ditched in the Indian Ocean 8 km WSW of Medhukuburudhoo Island, Shaviyani Atoll, Maldives |
| Ceiba, Puerto Rico | 12/19 | 117 d | PROJECT LOON FLIGHT LN-320 | In the desert, 97 km WNW of Marsabit, Kenya |
| Ceiba, Puerto Rico | 12/19 | 125 d | PROJECT LOON FLIGHT LN-319 | 58 km SSE of Anmatjere, Northern Territory, Australia |
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