In the table below you will find the records of stratospheric balloons launched from different countries during 2021, 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 |
---|---|---|---|---|
![]() | 1/11 | ~ 18 d | THUNDERHEAD FLIGHT 484 | Last known position in the North Atlantic Ocean at: lat:43.337402 lon:-31.734392 |
![]() | 1/11 | 7 h 40 m | RAVEN AEROSTAR FLIGHT 485 | West of Santa Rosa, New Mexico, US |
![]() | 1/11 | 122 d | PROJECT LOON FLIGHT LN-316 | 23 km SSE of Anmatjere, Northern Territory, Australia |
![]() | 1/11 | 116 d | PROJECT LOON FLIGHT LN-321 | 34 km S of Anmatjere, Northern Territory, Australia |
![]() | 1/12 | 93 d | PROJECT LOON FLIGHT LN-317 | In the desert, 82 km NW of Marsabit, Kenya |
![]() | 1/12 | 121 d | PROJECT LOON FLIGHT LN-322 | 22 km SSE of Anmatjere, Northern Territory, Australia |
![]() | 1/12 | 8 h 15 m | RAVEN AEROSTAR FLIGHT 487 | Near Gacho hill in Guadalupe County, New Mexico, US |
![]() | 1/13 | 38 h | RAVEN AEROSTAR FLIGHT 488 | NW of Eufaula, Alabama, US |
![]() | 1/13 | 27 h | RAVEN AEROSTAR FLIGHT 486 | W of Lometa, Texas, US |
![]() | 1/22 | 4 h | FLOATS (Fiber-optic Laser Operated AtmosphericTemperature Sensor) | --- No Data --- |
![]() | 1/27 | 26 h | RAVEN AEROSTAR FLIGHT 489 | 12 km SW of Charles City, Iowa, US |
![]() | 1/28 | 40 d | PROJECT LOON FLIGHT LN-325 | 15 km NE of London, Texas, US |
![]() | 1/28 | 26 h | PROJECT LOON FLIGHT LN-323 | Ditched in the Atlantic Ocean 7.5 km NW of Guana Island, British Virgin Islands |
![]() | 1/28 | 40 d | PROJECT LOON FLIGHT LN-324 | Ditched in the Indian Ocean, 10 km NW of Vaadhoo Island, Raa Atoll, Maldives |
![]() | 2/9 | 35 h | RAVEN AEROSTAR FLIGHT 491 | West of Trumann, Arkansas, US |
![]() | 2/9 | ~ 31 d | THUNDERHEAD FLIGHT 490 | Last known position over the Pacific Ocean, SW of Costa Rica, Central America |
![]() | 2/10 | 25 h | RAVEN AEROSTAR FLIGHT 492 | North of Tignall, Georgia, US |
![]() | 2/18 | 3 h 30 m | RAVEN AEROSTAR FLIGHT 494 | N of Garretson, South Dakota, US |
![]() | 2/19 | 5 h | RAVEN AEROSTAR FLIGHT 493 | E of Sibley, Iowa, US |
![]() | 3/8 | 6 h 15 m | RAVEN AEROSTAR FLIGHT 495 | NW of Wickenburg, Arizona, US |
![]() | 3/9 | 6 h | RAVEN AEROSTAR FLIGHT 497 | NW of Prescott, Arizona, US |
![]() | 3/9 | 5 h 30 m | RAVEN AEROSTAR FLIGHT 496 | SW of Prescott, Arizona, US |
![]() | 3/10 | 11 h | RAVEN AEROSTAR FLIGHT 498 | Near Rock Point, Arizona, US |
![]() | 3/10 | 10 h | RAVEN AEROSTAR FLIGHT 499 | Near Bitter Springs, Arizona, US |
![]() | 3/12 | 3 h | RAVEN AEROSTAR FLIGHT 501 | NE of Waldorf, Minnesota, US |
![]() | 3/12 | 4 h 30 m | V-R3x - CUBESAT | ESE of Northwood, Iowa, US |
![]() | 3/20 | 6 h | THUNDERHEAD FLIGHT 503 | Near Bear canyon, Arizona, US |
![]() | 3/20 | 29 h | THUNDERHEAD FLIGHT 502 | E of Hagerman, New Mexico, US |
![]() | 3/20 | 40 h | THUNDERHEAD FLIGHT 506 | NE of Roswell, New Mexico, US |
![]() | 3/20 | 81 h | THUNDERHEAD FLIGHT 504 | N of Pampa, Texas, US |
![]() | 3/20 | 25 h | THUNDERHEAD FLIGHT 505 | SW of Hagerman, New Mexico, US |
![]() | 3/22 | 57 h | RAVEN AEROSTAR FLIGHT 507 | Near Horton, Iowa, US |
![]() | 3/23 | 2 h 30 m | RAVEN AEROSTAR FLIGHT 508 | Last known position descending SE of Las Vegas, New Mexico, US |
![]() | 3/29 | 8 h 30 m | RAVEN AEROSTAR FLIGHT 509 | 37 km SW of Deming, New Mexico, US |
![]() | 3/30 | 8 h 30 m | RAVEN AEROSTAR FLIGHT 510 | 26 km SW of Deming, New Mexico, US |
![]() | 3/31 | 14 h | RAVEN AEROSTAR FLIGHT 513 | 13 km NW of Lordsburg, New Mexico, US |
![]() | 3/31 | RAVEN AEROSTAR FLIGHT 512 | Last Known position near Lordsburg, New Mexico, US | |
![]() | 3/31 | RAVEN AEROSTAR FLIGHT 511 | Last Known position near Winkelman, Arizona, US | |
![]() | 4/1 | 13 h | RAVEN AEROSTAR FLIGHT 515 | NW of Deming, New Mexico, US |
![]() | 4/1 | RAVEN AEROSTAR FLIGHT 514 | Last known position 25 km N of Clifton-Morenci, Arizona, US | |
![]() | 4/1 | 13 h | RAVEN AEROSTAR FLIGHT 516 | W of Deming, New Mexico, US |
![]() | 4/15 | 2 h 30 m | KRUPS (Kentucky Re-entry Universal Payload System) | Capsule impact in Oregon Badlands Wilderness in Deschutes County. Last known position of the balloon near Boise, Idaho |
![]() | 4/15 | 53 d 9 h | THUNDERHEAD FLIGHT 518 | 11 km ESE of Miltona, Minnesota, US |
![]() | 4/15 | 14 h | RAVEN AEROSTAR FLIGHT N251TH | Near Lost Nation, Iowa, US |
![]() | 4/18 | 35 h | RAVEN AEROSTAR FLIGHT 517 | Near Near Concord, Michigan, US |
![]() | 4/25 | 8 h 20 m | THUNDERHEAD FLIGHT 520 - UXS IBP 21 | NE of Lake Havasu City, Arizona, US |
![]() | 5/4 | 7 h 20 m | BBC (Balloon-Borne Chirpsounder) | In Torrance County, New Mexico, US |
![]() | 5/6 | 40 h | THUNDERHEAD FLIGHT 522 | Last known position 270 km NNE of Fairbanks, Alaska, US |
![]() | 5/6 | 16 h 20 m | THUNDERHEAD FLIGHT 521 | 60 km N of Fairbanks, Alaska, US |
![]() | 5/9 | 21 d | THUNDERHEAD FLIGHT 526 | Last known position over the Pacific Ocean, SW of Hawaii |
![]() | 5/10 | 27 h 30 m | THUNDERHEAD FLIGHT 523 | 30 km N of Northway, Alaska, US |
![]() | 5/10 | 35 d | THUNDERHEAD FLIGHT 527 | Landing near the Nebraska/South Dakota border west of Cody Lake, US |
![]() | 5/10 | 25 h | THUNDERHEAD FLIGHT 528 | Last known position over the Pacific Ocean, 26 km SW of San Nicolas Island |
![]() | 5/12 | 3 h 25 m | THUNDERHEAD FLIGHT 529 | Last known position over the Pacific Ocean, SE of Santa Barbara, California, US |
![]() | 5/12 | 5 d | THUNDERHEAD FLIGHT 532 | 20 km S of Florence, South Carolina, US |
![]() | 5/12 | 5 d 4 h | THUNDERHEAD FLIGHT 534 | 2 km SE of Lake City, South Carolina, US |
![]() | 5/12 | 5 d 18 h | THUNDERHEAD FLIGHT 535 | 13 km NE of Manning, South Carolina, US |
![]() | 5/13 | THUNDERHEAD FLIGHT 524 | No data received after 13:50 utc | |
![]() | 5/13 | 21 h 30 m | THUNDERHEAD FLIGHT 530 | Ditched in the Pacific Ocean, 33 km SW of San Clemente Island |
![]() | 5/13 | 5 d 15 h | THUNDERHEAD FLIGHT 536 | 26 km NNE of Waycross, Georgia, US |
![]() | 5/14 | 16 h 30 m | THUNDERHEAD FLIGHT 531 | Last known position over the Pacific Ocean, 62 km SW of San Nicolas Island |
![]() | 5/15 | 60 h | THUNDERHEAD FLIGHT 533 | Near Kingstree, South Carolina, US |
![]() | 5/15 | 80 h | THUNDERHEAD FLIGHT 539 | N of Blackshear, Georgia, US |
![]() | 5/15 | 55 h | THUNDERHEAD FLIGHT 537 | Near Kingstree, South Carolina, US |
![]() | 5/19 | 2 h 10 m | SCEYE- STRATOSPHERIC AIRSHIP | --- No Data --- |
![]() | 5/23 | 2 h 25 m | SUPERPRESSURE BALLOON TEST FLIGHT | Inside the Coronado National Forest, Arizona, US |
![]() | 5/25 | 53 h 30 m | THUNDERHEAD FLIGHT 540 | 14 km N of Sioux City, Iowa, US |
![]() | 5/26 | 75 h | THUNDERHEAD FLIGHT 541 | Near Colton, South Dakota, US |
![]() | 5/28 | 25 d 23 h | THUNDERHEAD FLIGHT 542 | N of Vermillion, South Dakota, US |
![]() | 6/3 | --- | EXO-MARS HADT (High Altitude Drop Test) | Aborted flight |
![]() | 6/3 | 11 h 40 m | RAVEN AEROSTAR FLIGHT 543 | Near Alcester, South Dakota, US |
![]() | 6/3 | 3 d 15 h | THUNDERHEAD FLIGHT 544 | Near Pease, Minnesota, US |
![]() | 6/8 | 15 h 55 m | MULLENAX TEST #1 | S of Seligman, Arizona, US |
![]() | 6/9 | 3 h 40 m | RAVEN AEROSTAR FLIGHT 525 | 3 km SSE of Chester, South Dakota, US |
![]() | 6/10 | 17 h 40 m | SALTER / ASHI TEST FLIGHT | SW of Holbrook, Arizona, US |
![]() | 6/11 | 1 h 45 m | NEPHEX (Nephelometer Experiment) | 20 km NW of Slayton, Minnesota, US |
![]() | 6/18 | 6 h 39 m | NEPTUNE ONE | In the Gulf of Mexico, 50 miles off the Florida west coast |
![]() | 6/18 | 70 d | THUNDERHEAD FLIGHT 546 | 10 km S of Picabo, Idaho, US |
![]() | 6/22 | ATMOSPHERIC ELECTRIC FIELD MEASUREMENTS | Near Aleutian Islands, Alaska, US | |
![]() | 6/23 | 4 d 10 h | THUNDERHEAD FLIGHT 547C | 20 km S of Safford, Arizona, US |
![]() | 6/24 | ~ 3 h | EXO-MARS HADT (High Altitude Drop Test) | --- No Data --- |
![]() | 6/24 | ~ 4 d | ATMOSPHERIC ELECTRIC FIELD MEASUREMENTS | Near Aleutian Islands, Alaska, US |
![]() | 6/25 | ~ 4 h | EXO-MARS HADT (High Altitude Drop Test) | --- No Data --- |
![]() | 6/25 | ~ 4 d | ATMOSPHERIC ELECTRIC FIELD MEASUREMENTS | Near Aleutian Islands, Alaska, US |
![]() | 6/30 | 5 h 20 m | RAVEN AEROSTAR FLIGHT 549 | 14 km SW of Parkston, South Dakota, US |
![]() | 7/4 | ~ 2 h 30 m | PEROVSKITE SOLAR CELLS TEST | In the Pacific Ocean, 60 km SE of Taiki, Japan |
![]() | 7/9 | 3 h | DREAM (Demonstration ExpeRiment of Alignment Monitor) | In the Pacific Ocean, 30 km E of Taiki, Japan |
![]() | 7/13 | 3 m | RAVEN AEROSTAR FLIGHT 548 | Only three minutes aloft |
![]() | 7/15 | 4 h 40 m | MILE HIGH SPIRITS ADVERTISING CAMPAIGN | In Mohave County, Arizona, US |
![]() | 7/16 | 1 h 5 m | BLUE JAY 2021 | --- No Data --- |
![]() | 7/23 | 2 d 10 h 17 m | THUNDERHEAD FLIGHT 551 | Near Freeman, South Dakota, US |
![]() | 7/27 | 2 h | RAVEN AEROSTAR FLIGHT 550 | Near Luverne, Minnesota, US |
![]() | 7/27 | 10 h | RAVEN AEROSTAR FLIGHT 561 | Near Alvord, Iowa, US |
![]() | 7/27 | 34 h | RAVEN AEROSTAR FLIGHT 562 - RadPC@Scale | SSE of Merriman, Nebraska, US |
![]() | 7/29 | 15 h | THUNDERHEAD FLIGHT 553 (TROPIC THUNDER) | --- No Data --- |
![]() | 7/30 | 1 h 40 m | THUNDERHEAD FLIGHT 553 (TROPIC THUNDER) | --- No Data --- |
![]() | 7/31 | 1 h | THUNDERHEAD FLIGHT 553 (TROPIC THUNDER) | --- No Data --- |
![]() | 8/4 | 9 d | THUNDERHEAD FLIGHT 556 | Near Waltham, Minnesota, US |
![]() | 8/5 | 3 h | BIOPAUSE PROJECT ATMOSPHERIC SAMPLER | In the Pacific Ocean 30 km SE of Taiki, Japan |
![]() | 8/12 | 5 h 39 m | HEMERA I - TWIN | --- No Data --- |
![]() | 8/16 | 15 h 56 m | XENON | 100 km E of ESRANGE, Sweden |
![]() | 8/17 | 27 h | THUNDERHEAD FLIGHT 557 | 30 km W of Huron, South Dakota, US |
![]() | 8/20 | 5 h 15 m | WHATSUP (Water Hunting Advanced Terahertz Spectrometer on a Ultra Small Platform) | 10 miles W of Belén, New Mexico |
![]() | 8/21 | 18 h | HEMERA II | --- No Data --- |
![]() | 8/23 | 7 h 1 m | SUPER CLIMAT | --- No Data --- |
![]() | 8/28 | 10 h | SLS (Submillimeter Limb Sounder) | Near Jemez Pueblo, Sandoval County, New Mexico, US |
![]() | 8/30 | 10 h | SALTER TEST FLIGHT | Near Progresso, Torrance County, New Mexico, US |
![]() | 9/1 | 55 h | THUNDERHEAD FLIGHT 558 | E of Watertown, South Dakota, US |
![]() | 9/6 | 15 h 29 m | MULLENAX TEST #2 | In Sierra Blanca mountains, N of Tularosa, New Mexico, US |
![]() | 9/9 | 6 d 8 h 47 m | THUNDERHEAD FLIGHT 559 | Near Greigsville, New York, US |
![]() | 9/11 | 9 h | HEMERA ZPB2021 | In Finland near the Russian Federation border |
![]() | 9/14 | 16 h 41 m | HASP 2021 (High Altitude Student Platform) | Near Wide Ruins, Arizona, US |
![]() | 9/15 | 9 h 17 m | THUNDERHEAD FLIGHT 563 | In ESRANGE zone B, Sweden |
![]() | 9/15 | 1 h 49 m | THUNDERHEAD FLIGHT 565 | In Dyrøya, Troms, Norway |
![]() | 9/15 | 9 h 11 m | THUNDERHEAD FLIGHT 564 | In ESRANGE zone B, Sweden |
![]() | 9/17 | 7 h | TC-BIOSEP (Temperature-Controlled Biological Samples Exposure Payload) | --- No Data --- |
![]() | 9/20 | 13 h 30 m | NEAR SPACE RADIATION BENCHMARK LOAD VERIFICATION SYSTEM | --- No Data --- |
![]() | 9/22 | 2 d 2 h 46 m | THUNDERHEAD FLIGHT 560 - RadPC@Scale | 6 km SE of Wrenshall, Minnesota, US |
![]() | 9/25 | 25 h | JPL REMOTE | SE of Brownfield, Texas, US |
![]() | 9/27 | --- | E-BAND MILLIMETER WAVE COMMUNICATION TEST | --- No Data --- |
![]() | 9/29 | BEXUS 31 (Balloon EXperiments for University Students) | --- No Data --- | |
![]() | 9/29 | 7 h 15 m | RAVEN AEROSTAR FLIGHT 566 | NNE of Ivanhoe, Minnesota, US |
![]() | 9/30 | BEXUS 30 (Balloon EXperiments for University Students) | --- No Data --- | |
![]() | 10/4 | 1 d 10 h 5 m | THUNDERHEAD FLIGHT 567 | 7 km SW of Hamburg, Iowa, US |
![]() | 10/6 | 2 h | STRATOLLITE - GRYPHON XXII | Cochise County, Arizona, US |
![]() | 10/12 | --- | COLIBRI SYSTEM TEST | --- No Data --- |
![]() | 10/13 | 6 h 30 m | RAVEN AEROSTAR FLIGHT 569 | N of Moriarty, New Mexico, US |
![]() | 10/14 | ~ 6 h | DARPA | --- No Data --- |
![]() | 10/15 | 13 h 30 m | RAVEN AEROSTAR FLIGHT 570 | NE of Hope, New Mexico, US |
![]() | 10/19 | ~ 2 h | STV-2 (Suborbital Test Vehicle 2) | N of Priday Ranch, Oregon, US |
![]() | 10/19 | 5 d 9 h 30 m | THUNDERHEAD FLIGHT 568 | Near Bridgewater, Virginia, US |
![]() | 10/19 | 1 d 11 h 15 m | STRATEOLE 2.1 (01-TTL5) | In the Indian Ocean 475 kms NNE of Seychelles |
![]() | 10/20 | 7 h 40 m | RAVEN AEROSTAR FLIGHT 571 | Near Centerville, North Carolina, US |
![]() | 10/20 | 31 d 12 h 50 m | STRATEOLE 2.1 (03-TTL4) | 70 km S of Inírida, Colombia |
![]() | 10/20 | 12 d 15 h 33 m | STRATEOLE 2.1 (02-STR1) | SW of Pohnpei Atoll, Federated States of Micronesia in Central Pacific. |
![]() | 10/20 | 29 d 22 h 45 m | STRATEOLE 2.1 (04-STR2) | In the Pacific Ocean, 1900 km NW of Galapagos Islands |
![]() | 10/27 | 50 d 10 h 38 m | STRATEOLE 2.1 (05-TTL3) | In the Pacific Ocean, 100 km SW of Chiriqui Province, Panama |
![]() | 10/28 | 43 d 19 h 30 m | STRATEOLE 2.1 (06-TTL5) | In the Atlantic Ocean, 600 km SW of Namibian coast |
![]() | 11/1 | 44 d 12 h 18 m | STRATEOLE 2.1 (07-TTL4) | In the Arafura Sea near Papua, Indonesia |
![]() | 11/4 | 54 d 4 h 6 m | STRATEOLE 2.1 (08-STR1) | In the Pacific Ocean 120 km W of Manihiki Atoll, Cook Islands |
![]() | 11/5 | 67 d 18 h 30 m | STRATEOLE 2.1 (09-STR2) | In the Pacific Ocean E of Philipines Islands |
![]() | 11/8 | 38 d 7 h 24 m | STRATEOLE 2.1 (10-TTL3) | In the Pacific Ocean, 115 km W of Manta Province, Ecuador |
![]() | 11/8 | 36 d 23 h 46 m | STRATEOLE 2.1 (11-TTL1) | In the Pacific Ocean, 1600 km W of Galapagos Islands |
![]() | 11/12 | 51 d 15 h 47 m | STRATEOLE 2.1 (12-STR4) | In the Pacific Ocean, 250 km NE of Choiseul, Solomon Islands |
![]() | 11/15 | 71 d 7 h 18 m | STRATEOLE 2.1 (13-STR1) | In the Pacific Ocean, 800 km E of Line Islands |
![]() | 11/15 | 4 h 30 m | STRATEOLE 2.1 (14-STR2) | In the Indian Ocean 25 kms SW of Seychelles |
![]() | 11/18 | 23 h 20 m | THUNDERHEAD FLIGHT 572 | SW of Summit, Oklahoma, US |
![]() | 11/19 | 11 m | THUNDERHEAD FLIGHT 573 | Last known position 1 mile NE of launch site, New Mexico, US |
![]() | 11/21 | ~ 3 h | EXO-MARS HADT (High Altitude Drop Test) | In Crook County, Oregon, US |
![]() | 11/22 | 26 d 14 h 29 m | STRATEOLE 2.1 (16-TTL5) | In the South China Sea, near the coast of Vietnam |
![]() | 11/22 | 56 d 16 h 8 m | STRATEOLE 2.1 (15-TTL4) | In the Pacific Ocean near the Mexican coast |
![]() | 11/25 | 20 d 17 h 30 m | STRATEOLE 2.1 (17-TTL3) | In the Pacific Ocean near Sanana Island, Indonesia |
![]() | 12/3 | ~ 2 h | EXO-MARS HADT (High Altitude Drop Test) | In Grant County, Oregon, US |
![]() | 12/9 | 155 d 14 h 17 m | THUNDERHEAD FLIGHT 574 | Near Woodbine, Kansas, US |
![]() | 12/13 | 10 h 30 m | RAVEN AEROSTAR FLIGHT 575 | Near Cannon Falls, Minnesota, US |
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