| Launch site | Date | Scientific Experiment | Payload landing site |
 | ESRANGE (SE) | 1/10 | HYGROMETER (in support of MAGIC rocket launch) | No Data | | |  |
| ESRANGE (SE) | 1/27 | E-LINK | No Data | | | |
 | Ft. Sumner (NM) | 2/4 | ULDB (Ultra Long Duration Balloon) + COSMOCAM | 20 miles NE of Amarillo, Texas, USA |  | | |
| ESRANGE (SE) | 3/1 | AURA + Dual-beam In-Situ UV-Absorption Ozone Photometer | No Data | | | |
| ESRANGE (SE) | 3/22 | BEXUS III (Balloon Experiment for University Students) | 40 km west of the village of Vilhelmina, Sweden | | | |
 | Hyderabad (IN) | 4/20 | CRYOSAMPLER (Criogenic atmpospheric sampler) | Near Gulbarga, 250 km west of Hyderabad, India | | | |
 | Aire Sur L'Adour (FR) | 5/7 | SAOZ + SAOZ Bro | No Data | | | |
| Ft. Sumner (NM) | 5/9 | HERO (High Energy Replicated Optics) | 36 miles SW of Dodge City, Kansas, USA | | | |
| Ft. Sumner (NM) | 5/18 | HEFT (High Energy Focusing Telescope) | 35 miles east-northeast of Holbrook, Arizona, USA | |  | |
 | Sanriku (JP) | 5/21 | SUPER THIN FILM HIGH ALTITUDE BALLOON FLIGHT TEST | No Data | | | |
| Sanriku (JP) | 5/25 | NUSMIT (Nagoya University SuperMirror Imaging Telescope experiment) - Test flight | In the ocean shore near Sanriku | | | |
| Sanriku (JP) | 5/29 | SOLAR SAIL | No Data | | | |
| Ft. Sumner (NM) | 6/1 | NCT (Nuclear Compton Telescope) | 68 miles northwest of Socorro, NM, USA | | | |
 | Timón (MA) | 6/1 | OZONE SAMPLER | 3 km from Timón, Maranhao state , Brazil | | | |
| Sanriku (JP) | 6/2 | SUPER PRESSURE BALLOON FLIGHT TEST | No Data | | | |
| Timón (MA) | 6/4 | OZONE SAMPLER | Near Grajaú, Maranhao state , Brazil | | | |
| Sanriku (JP) | 6/6 | STRATOSPHERIC MICROBIAL COLLECTION | No Data | | | |
| Ft. Sumner (NM) | 6/7 | FIRST (Far-Infrared Spectroscopy of the Troposphere) | 44 miles northwest of Fort Sumner (NM) USA | | | |
| Timón (MA) | 6/8 | TWIN SAMPLER | West of the city of Barra da Corda, Maranhao state, Brazil. | | | |
| ESRANGE (SE) | 6/12 | BLAST (Balloon-borne Large Aperture Sub-millimeter Telescope) | On Victoria Island, 170 miles NW of Cambridge Bay, Northern Canadá | | | |
| Timón (MA) | 6/14 | MIPAS-B2 (Michelson Interferometer for Passive Atmospheric Sounding - Balloonborne) + Mini DOAS | NE of Fortaleza de Nogueiras, Maranhao State, Brazil. | | | |
| Timón (MA) | 6/17 | LPMA (Limb Profile Monitor of the Atmosphere) + DOAS | Between the cities of Presidente Dutra and Tuntum, Maranhao State, Brazil. | | | |
| Ft. Sumner (NM) | 6/18 | DSTB (Deep Space Test Bed) | In a national forest 13 miles south southwest of Reserve, NM, USA | | | |
| Timón (MA) | 6/22 | SPIRALE (Spectroscopie Infra-Rouge par Absorption de Laser Embarqué) | NE of Presidente Dutra city in the Maranhao State, Brazil | | | |
| Timón (MA) | 6/24 | TRIPLE | Flight aborted. Payload was retrieved from the forest near the launch base. | | | |
| Timón (MA) | 6/25 | TRIPLE | In Esperantinópolis, Maranhao State, Brazil | | | |
| ESRANGE (SE) | 6/29 | CAPANINA | South of the village of Nikkaluokta, Sweden | | | |
 | Svalbard (NO) | 6/29 | Trailblazer + PEGASO (Polar Explorer for Geomagnetics And other Scientific Observations) | Over international water (pack-ice) at 11:15 utc at 80º 46,743'N - 107º 18.276' E | | | |
| Timón (MA) | 6/30 | LPMA-IASI (Infrared Atmospheric Sounding Interferometer) + REFIR PAD | West of the city of Mirador in the Maranhao State, Brazil. | | | |
| Svalbard (NO) | 7/6 | Trailblazer + PEGASO (Polar Explorer for Geomagnetics And other Scientific Observations) | Over international water (pack-ice) at 17:57 utc at 72º 51.969' N - 176º 47.698' W | | | |
| Timón (MA) | 7/6 | SUPERPRESSURE BALLOON TEST | South of Sao Joao dos Poleiros, Maranhao State, Brazil | | | |
| Timón (MA) | 7/7 | CASOLBA (CAlibration de cellules SOLaires sur vol BAllon) | NW of the city of Jose de Freitas in Piauí state, Brazil. | | | |
| Timón (MA) | 7/8 | SUPERPRESSURE BALLOON TEST | 15 km SW of Timon, Maranhao State, Brazil | | | |
| NSBF, Palestine (TX) | 7/24 | ARCADE (Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission) | Ground abort.The termination system malfunctioned during the launch and separated the balloon from the payload. | | | |
| NSBF, Palestine (TX) | 7/28 | ARCADE (Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission) | 51 miles East Northeast of Fort Stockton, Texas, USA | | | |
| Sanriku (JP) | 8/22 | High Energy electron and atmospheric gamma-ray observations | No flight. The balloon burst at launch. | | | |
| Ft. Sumner (NM) | 8/28 | ANITA (Antarctic Impulse Transient Antenna) | 58 miles west southwest of Fort Sumner, NM, USA | | | |
| Sanriku (JP) | 8/28 | Atmospheric Gravity Waves and Stratospheric Ozone observations | At 141º 56' N - 39º 45' W, in the Japan Sea. | | | |
| Sanriku (JP) | 8/29 | Observation of the VLF radio wave which accompanies noctilucence and lightning discharge. | No Data | | | |
| ESRANGE (SE) | 8/31 | CAPANINA | Near the village of Junosuando in the north part of Sweden | | | |
 | McMurdo (AQ) | 9/5 | RUMBA | Last known position: 78.36º S - 116.78º E. | | | |
| McMurdo (AQ) | 9/6 | RUMBA | Last known position: 64.25º S - 175.08º W | | | |
| McMurdo (AQ) | 9/9 | RUMBA | On the Atlantic Ocean. Last known position: 42.66º S - 33.45º W | | | |
| McMurdo (AQ) | 9/9 | RUMBA | Over the argentinian patagonic coast. Last known position: 48.65º S - 61.71º W | | | |
| McMurdo (AQ) | 9/12 | RUMBA | Last known position: 77.60º S - 79.66º E | | | |
| Ft. Sumner (NM) | 9/13 | SOLAR CELL CALIBRATION | 13 nm South Southeast of Tucumcari, NM, Usa | | | |
| McMurdo (AQ) | 9/17 | RUMBA | Near the launch site (76.84º S - 166.45º E) | | | |
| McMurdo (AQ) | 9/17 | RUMBA | On the Pacific Ocean. Last known position: 39.83º S - 151.04º W | | | |
| Ft. Sumner (NM) | 9/20 | MKIV + Dual-beam In-Situ UV-Absorption Ozone Photometer | 15 nm East of Parker, AZ, USA | | | |
| McMurdo (AQ) | 9/20 | RUMBA | On the Indian Ocean. Last known position: 39.70º S - 78.10º E | | | |
| McMurdo (AQ) | 9/22 | RUMBA | On the Pacific Ocean. Last known position: 39.70º S - 164.07º W | | | |
| McMurdo (AQ) | 9/22 | RUMBA | On the Antarctic Ocean. Last known position: 71.30º S - 118.47º W | | | |
| Aire Sur L'Adour (FR) | 9/22 | OPENING CAMPAIGN TECHNOLOGICAL FLIGHT | No Data | | | |
| McMurdo (AQ) | 9/23 | RUMBA | Last known position: 64.00º S - 61.98º W | | | |
| McMurdo (AQ) | 9/23 | RUMBA | On the Antarctic Ocean. Last known position: 58.01º S - 105.64º E | | | |
| McMurdo (AQ) | 9/26 | RUMBA | On the Antarctic Ocean. Last known position: 63.12º S - 37.33º W | | | |
| McMurdo (AQ) | 9/28 | RUMBA | Last known position: 77.29º S - 42.34º E | | | |
| Ft. Sumner (NM) | 10/1 | CWAS (Cryogenic Whole-Air Sampler) + Dual-beam In-Situ UV-Absorption Ozone Photometer | At coordinates 35º 15.49 N, 103º 56.8 W on New Mexico, USA | | | |
| McMurdo (AQ) | 10/3 | RUMBA + TURBULENCE | Last known position: 68.14º S - 114.35º E | | | |
| McMurdo (AQ) | 10/5 | RUMBA | Last known position: 74.65º S - 27.87º E | | | |
| McMurdo (AQ) | 10/5 | RUMBA | On the Pacific Ocean. Last known position: 39.89º S - 167.91º W | | | |
| McMurdo (AQ) | 10/5 | RUMBA | On the Antarctic Ocean. Last known position: 56.29º S - 10.61º E | | | |
| Ft. Sumner (NM) | 10/7 | CREST (Cosmic Ray Electron Synchrotron Telescope) | 15 miles North-Northwest from Hereford, Texas, USA | | | |
| Aire Sur L'Adour (FR) | 10/7 | SAOZ + SAOZ Bro | No Data | | | |
| McMurdo (AQ) | 10/13 | RUMBA | On the Pacific Ocean. Last known position: 48.70º S - 100.37º W | | | |
| McMurdo (AQ) | 10/13 | RUMBA + TURBULENCE | On the Antarctic Ocean. Last known position: 72.00º S - 10.00º W | | | |
| McMurdo (AQ) | 10/14 | RUMBA | Near the launch site (77.78º S - 169.18º E) | | | |
| McMurdo (AQ) | 10/16 | RUMBA | On the Indian Ocean. Last known position: 39.87º S - 29.35º E | | | |
| McMurdo (AQ) | 10/18 | RUMBA | On the Indian Ocean. Last known position: 39.87º S - 23.22º E | | | |
| McMurdo (AQ) | 10/25 | RUMBA + TURBULENCE | On the Pacific Ocean. Last known position: 52.98º S - 122.43º O | | | |
| McMurdo (AQ) | 10/25 | RUMBA | On the Pacific Ocean. Last known position: 39.63º S - 166.44º W | | | |
| McMurdo (AQ) | 10/26 | RUMBA | On the Indian Ocean. Last known position: 39.40º S - 74.98º E | | | |
| McMurdo (AQ) | 10/28 | RUMBA | On the Indian Ocean. Last known position: 51.00º S - 76.00º E | | | |
| McMurdo (AQ) | 12/15 | CREAM (Cosmic Ray Energetics And Mass) | 249 nautic miles Northwest from McMurdo Antarctic base. | | | |
| McMurdo (AQ) | 12/19 | ATIC (Advanced Thin Ionization Calorimeter) | At coordinates 77º 34.8 South / 172º 22.8 East in the Ross Ice Shelf, 70 nm east of McMurdo Station. | | | |
| SLB, Cachoeira Paulista (SP) | 12/20 | NUSMIT (Nagoya University SuperMirror Imaging Telescope experiment) - Launch rehearsal | Cachoeira Paulista, Sao Paulo, Brazil | | | |
See launches from 2004
