[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fDWiX40xfnALDh79Ues4nWIVk03BmvmDpCjzX4t_Pv7Q":3},{"slug":4,"manufacturer":5,"model":6,"category":7,"isCurated":8,"imageUrl":9,"attribution":10,"specifications":11,"descriptionEn":19,"seoTitleEn":20,"seoDescriptionEn":21},"heinkel-hd-20","Heinkel","HD 20","Civilian",false,"https:\u002F\u002Fkmghuekgzyfrnbanbsra.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Faircraft-images\u002FHeinkel_HD_20_73b74525.webp?","Wikimedia Commons",{"roleText":12,"nationalOrigin":13,"crew":14,"engineCount":15,"firstFlightYear":16,"lengthM":17,"wingspanM":14,"maxSpeedKmh":18,"rangeKm":14},"Three seat photographic survey and mapping aircraft","Germany",null,2,1926,9.4,195,"A specialised civilian aircraft from 1926, the HD 20 served photographic survey and mapping missions across Germany. Its three-seat configuration accommodated pilot, observer, and dedicated camera operator, while twin engines provided reliability for long sorties over challenging terrain. At 9.4 metres long, it represented a practical solution for systematic aerial photography and cartography projects.","Heinkel HD 20 — Survey & Mapping Aircraft","German three-seat twin-engine survey aircraft (1926) for photographic mapping work."]