https://www.sentinel-drones.com/en/blog/ Sentinel missions and news, drone imaging and engineering. en https://www.sentinel-drones.com/en/post/heron-building-paris-4046-photos-located-on-a-3d-model/https://www.sentinel-drones.com/en/post/heron-building-paris-4046-photos-located-on-a-3d-model/Mon, 19 Oct 2026 00:00:00 +0000On 29 September 2026 we photographed the façades and roof of the Heron Building in Paris by drone, then delivered a web tool that places each photo on the building’s 3D model. https://www.sentinel-drones.com/en/post/petit-saut-sawmill-monthly-monitoring-time-lapses-and-film/https://www.sentinel-drones.com/en/post/petit-saut-sawmill-monthly-monitoring-time-lapses-and-film/Wed, 14 Oct 2026 00:00:00 +0000From 2018 to 2026 for Triton: photos of the Petit-Saut lake, monthly monitoring of the sawmill works, time-lapses, virtual tour, film and stockpile volumes. https://www.sentinel-drones.com/en/post/seven-dams-of-the-juquia-complex-brazil/https://www.sentinel-drones.com/en/post/seven-dams-of-the-juquia-complex-brazil/Mon, 12 Oct 2026 00:00:00 +0000Seven dams in the Juquiá basin for an energy producer: reconnaissance in August 2026, then Salto do Iporanga and Serraria surveyed in detail. https://www.sentinel-drones.com/en/post/roof-measurement-before-solar-panel-installation/https://www.sentinel-drones.com/en/post/roof-measurement-before-solar-panel-installation/Wed, 30 Sep 2026 00:00:00 +0000In 2026 we measured roofs by drone for three solar companies in French Guiana and Martinique: purlins, slopes, obstacles and lines of coach screws. https://www.sentinel-drones.com/en/post/orthophoto-of-the-saint-pierre-coastline-martinique/https://www.sentinel-drones.com/en/post/orthophoto-of-the-saint-pierre-coastline-martinique/Mon, 21 Sep 2026 00:00:00 +0000For DEAL Martinique, Sentinel produced the orthophoto of 12.5 hectares of the Saint-Pierre seafront: 1,305 images, twelve targets, 1.78 cm planimetric accuracy. https://www.sentinel-drones.com/en/post/eleven-solar-plants-33333-panels-thermal-diagnosis/https://www.sentinel-drones.com/en/post/eleven-solar-plants-33333-panels-thermal-diagnosis/Mon, 21 Sep 2026 00:00:00 +0000June to September 2026: thermal surveys of eleven solar plants in Martinique, Guadeloupe and French Guiana. Preparation, flight sequence, checks and a panel-by-panel report. https://www.sentinel-drones.com/en/post/sentinel-cloud-your-drone-data-online/https://www.sentinel-drones.com/en/post/sentinel-cloud-your-drone-data-online/Fri, 18 Sep 2026 00:00:00 +0000Since 2026 our clients have received their orthophotos, thermal surveys, 3D models and inspections on Sentinel Cloud, with their own accounts. Twenty-nine projects and nineteen organisations in October 2026: a look at what has changed. https://www.sentinel-drones.com/en/post/canal-de-l-ouest-and-bois-chaudat-lake-erosion-monitoring/https://www.sentinel-drones.com/en/post/canal-de-l-ouest-and-bois-chaudat-lake-erosion-monitoring/Thu, 17 Sep 2026 00:00:00 +0000In Kourou, first of eight erosion-monitoring campaigns on the Canal de l’Ouest and Bois Chaudat lake: low-tide flight, 12 mm orthophoto, 34 reference photos. https://www.sentinel-drones.com/en/post/lidar-under-the-amazon-canopy-with-the-matrice-400-and-zenmuse-l3/https://www.sentinel-drones.com/en/post/lidar-under-the-amazon-canopy-with-the-matrice-400-and-zenmuse-l3/Tue, 15 Sep 2026 00:00:00 +0000New drone, new LiDAR: in 2026 Sentinel validated the Matrice 400 and Zenmuse L3 pair on its French Guiana test sites. Test datasets, a quality report and a first client mission in September. The film is online. https://www.sentinel-drones.com/en/post/crique-fouillee-orthophoto-of-debris-jams-before-dredging/https://www.sentinel-drones.com/en/post/crique-fouillee-orthophoto-of-debris-jams-before-dredging/Tue, 15 Sep 2026 00:00:00 +0000For the Centre Littoral urban community, a 15 mm orthophoto of 2.8 km of creek, roundabout to mouth, locating debris jams and access points before dredging. https://www.sentinel-drones.com/en/post/eight-solar-plants-in-guadeloupe-18671-panels-thermal-inspection/https://www.sentinel-drones.com/en/post/eight-solar-plants-in-guadeloupe-18671-panels-thermal-inspection/Mon, 24 Aug 2026 00:00:00 +0000August 2026: drone diagnosis of eight ground-mounted plants in Guadeloupe, 18,671 panels checked in infrared and visible light, one report per plant. https://www.sentinel-drones.com/en/post/thermal-survey-of-the-bellefontaine-solar-plant-under-power-lines/https://www.sentinel-drones.com/en/post/thermal-survey-of-the-bellefontaine-solar-plant-under-power-lines/Thu, 30 Jul 2026 00:00:00 +0000July 2026: drone thermography of an 8,996-panel plant in Bellefontaine with medium-voltage lines overhead. LiDAR survey first, flights at 30 m, cables removed in processing. https://www.sentinel-drones.com/en/post/the-new-larivot-bridge-followed-by-drone-since-2024/https://www.sentinel-drones.com/en/post/the-new-larivot-bridge-followed-by-drone-since-2024/Thu, 23 Jul 2026 00:00:00 +0000Since October 2024 we have filmed every phase of the Larivot bridge repair for Freyssinet, between Cayenne and Macouria, and delivered a convention film. https://www.sentinel-drones.com/en/post/detailed-inspection-of-63-kv-pylons-in-guadeloupe/https://www.sentinel-drones.com/en/post/detailed-inspection-of-63-kv-pylons-in-guadeloupe/Thu, 16 Jul 2026 00:00:00 +0000For Omexom, in June and July 2026: pylons 36 to 38 of the 63 kV Bouillante – Sainte-Rose line, inside the Guadeloupe national park, inspected by drone. https://www.sentinel-drones.com/en/post/saint-laurent-du-maroni-waste-storage-facility-monitored-by-drone/https://www.sentinel-drones.com/en/post/saint-laurent-du-maroni-waste-storage-facility-monitored-by-drone/Wed, 08 Jul 2026 00:00:00 +0000For the CCOG, at every visit: photos from the same viewpoints, a 3 cm orthophoto and a vulture series; two time-lapse cameras followed the filling of a cell. https://www.sentinel-drones.com/en/post/five-rooftop-solar-plants-thermal-survey-urbasolar/https://www.sentinel-drones.com/en/post/five-rooftop-solar-plants-thermal-survey-urbasolar/Thu, 02 Jul 2026 00:00:00 +0000From 2024 to 2026 we carried out infrared surveys of five Urbasolar rooftop plants in Martinique and Guadeloupe, including 4,082 modules in La Trinité. https://www.sentinel-drones.com/en/post/34-rooftop-solar-plants-thermal-survey-martinique-french-guiana/https://www.sentinel-drones.com/en/post/34-rooftop-solar-plants-thermal-survey-martinique-french-guiana/Wed, 24 Jun 2026 00:00:00 +0000From 10 to 23 June 2026, 34 rooftop photovoltaic plants surveyed by thermal drone for their annual maintenance: 32 in Martinique and 2 in French Guiana. https://www.sentinel-drones.com/en/post/a-90-kv-line-at-matiti-511-photos-and-106-anomalies/https://www.sentinel-drones.com/en/post/a-90-kv-line-at-matiti-511-photos-and-106-anomalies/Fri, 05 Jun 2026 00:00:00 +0000June 2026, for Omexom in French Guiana: a fault check after an outage on a 90 kV line, then five wooden supports inspected at Matiti and 106 anomalies rated. https://www.sentinel-drones.com/en/post/lidar-and-photogrammetry-survey-of-grand-case-aerodrome-saint-martin/https://www.sentinel-drones.com/en/post/lidar-and-photogrammetry-survey-of-grand-case-aerodrome-saint-martin/Fri, 17 Apr 2026 00:00:00 +0000April 2026, Saint-Martin: LiDAR and a 3 cm orthophoto of a wooded area beside the runway, under an AFIS agreement; existing drawing re-registered in RGAF09. https://www.sentinel-drones.com/en/post/tdf-french-guiana-antenna-height-panoramas/https://www.sentinel-drones.com/en/post/tdf-french-guiana-antenna-height-panoramas/Wed, 18 Mar 2026 00:00:00 +0000Since 2019 we have photographed TDF’s telecom sites in French Guiana: antennas on the Oyapock, antenna-height panoramas and the 3D model of a site. https://www.sentinel-drones.com/en/post/night-time-primate-detection-by-thermal-drone-on-the-petit-saut-lake/https://www.sentinel-drones.com/en/post/night-time-primate-detection-by-thermal-drone-on-the-petit-saut-lake/Tue, 17 Mar 2026 00:00:00 +0000For the French Biodiversity Office and Guyane Conservation: ten night-time thermal flights over Petit-Saut lake islands to measure monkey detectability. https://www.sentinel-drones.com/en/post/jarry-houelbourg-wetland-orthophoto-for-the-conservatoire-du-littoral/https://www.sentinel-drones.com/en/post/jarry-houelbourg-wetland-orthophoto-for-the-conservatoire-du-littoral/Sun, 22 Feb 2026 00:00:00 +0000February 2026: a 327-hectare orthophoto of the Jarry-Houëlbourg wetland for the Conservatoire du littoral, 15,445 images, 3.64 cm error on the check points. https://www.sentinel-drones.com/en/post/four-maroni-villages-orthophotos-of-waste-sites/https://www.sentinel-drones.com/en/post/four-maroni-villages-orthophotos-of-waste-sites/Mon, 16 Feb 2026 00:00:00 +0000From 2 to 4 February 2026, 1 cm orthophotos and stored volumes of the waste-treatment sites of Grand-Santi, Maripasoula, Papaïchton and Loka, for the CCOG. https://www.sentinel-drones.com/en/post/galisbay-saint-martin-photogrammetry-then-lidar/https://www.sentinel-drones.com/en/post/galisbay-saint-martin-photogrammetry-then-lidar/Thu, 12 Feb 2026 00:00:00 +0000For an Albioma project near Galisbay port: a 30.5 ha orthophoto in 2024, LiDAR in 2025, then ground points at 15 cm spacing in 2026 for the earthworks design. https://www.sentinel-drones.com/en/post/a-3d-model-of-cayenne-hospital-delivered-in-24-hours/https://www.sentinel-drones.com/en/post/a-3d-model-of-cayenne-hospital-delivered-in-24-hours/Wed, 04 Feb 2026 00:00:00 +0000Two days of capture, a low-resolution 3D model online the next day, then the high-resolution version: how we answered an architecture firm’s urgent request. https://www.sentinel-drones.com/en/post/fourteen-months-of-time-lapse-on-the-balata-bus-rapid-transit-works/https://www.sentinel-drones.com/en/post/fourteen-months-of-time-lapse-on-the-balata-bus-rapid-transit-works/Fri, 09 Jan 2026 00:00:00 +0000From November 2024 to December 2025, two time-lapse cameras and five filming days followed the RN2 works between Balata and the PROGT roundabout for Ribal TP. https://www.sentinel-drones.com/en/post/corossony-1472-concrete-footings-solar-plant/https://www.sentinel-drones.com/en/post/corossony-1472-concrete-footings-solar-plant/Tue, 23 Dec 2025 00:00:00 +0000In Sinnamary, Albioma is repowering the Corossony solar plant on its existing foundations: we surveyed the position and height of its 1,472 concrete footings. https://www.sentinel-drones.com/en/post/the-enfant-perdu-lighthouse-inspected-by-drone/https://www.sentinel-drones.com/en/post/the-enfant-perdu-lighthouse-inspected-by-drone/Tue, 09 Dec 2025 00:00:00 +0000On 9 December 2025, for DGTM’s Lighthouses and Beacons unit, the Enfant Perdu lighthouse photographed by drone from a boat: the islet cannot be landed on. https://www.sentinel-drones.com/en/post/tree-inventory-by-lidar-in-fort-de-france/https://www.sentinel-drones.com/en/post/tree-inventory-by-lidar-in-fort-de-france/Thu, 20 Nov 2025 00:00:00 +0000On 1.8 hectares of dense vegetation near the Z’Abricot pond, Sentinel produced an inventory of trees taller than 2.5 m: heights, crowns, canopy volumes, delivered as DWG to the developer. https://www.sentinel-drones.com/en/post/coco-banane-and-savane-des-peres-26-panoramas/https://www.sentinel-drones.com/en/post/coco-banane-and-savane-des-peres-26-panoramas/Tue, 18 Nov 2025 00:00:00 +0000Two Voltalia photovoltaic plants in French Guiana as virtual tours: two days of capture, 26 panoramas, 2 cm orthophotos and source files delivered.