Takeoffs that could not be located:

• Lanzarote, Famara, lower start — outside the curated takeoff dataset (1 flight)
• Lanzarote, Famara Upper start — outside the curated takeoff dataset (1 flight)
• Lanzarote, Tinasoria — outside the curated takeoff dataset (3 flights)
• Unknown takeoff — no linkable takeoff on flightlog.org (2 flights)
• Stølanuten, Nedstrand, Tysvær (hhpk) — no usable coordinates recorded on flightlog.org (2 flights)
• Nedre Grindheim skolebakke, Etne (hhpk) — no usable coordinates recorded on flightlog.org (27 flights)
• Krusevo, Meckin Kamen — outside the curated takeoff dataset (11 flights)
• Selecka Mountain - Prilep - Shtavica — outside the curated takeoff dataset (1 flight)
• Governador Valadares, Pico do Ibituruna — outside the curated takeoff dataset (67 flights)
• Hauane, Etne (hhpk) — no usable coordinates recorded on flightlog.org (30 flights)
• Treskavec — outside the curated takeoff dataset (3 flights)
• Galichica - Ohrid — outside the curated takeoff dataset (1 flight)
• DUPLIKAT-Fjøsne, Etne (Ikke i bruk, benytt Etne-Øvstebø-Fjøsna) — no usable coordinates recorded on flightlog.org (5 flights)
• Bjolandskjerringa ved Skjoldastraumen (hhpk) — no usable coordinates recorded on flightlog.org (1 flight)
• Sierra de Lújar, Castell de Ferro — outside the curated takeoff dataset (1 flight)
• Andalusia, Loma del Gato - lower launch — outside the curated takeoff dataset (8 flights)
• Andalucia, Sierra Nevada, Granada, Cenes de la Vega — outside the curated takeoff dataset (18 flights)
• Dalbygda skolebakke, Skjoldastraumen — no usable coordinates recorded on flightlog.org (2 flights)
• Ersland gård, skolebakke, Skjold — no usable coordinates recorded on flightlog.org (1 flight)
• St-Pierre d'Allevard — outside the curated takeoff dataset (10 flights)
• Allevard - main start — outside the curated takeoff dataset (15 flights)
• Sletthaug, Øvre Vats — no usable coordinates recorded on flightlog.org (2 flights)
• Grønstad Gård, Etne, Stordalen — no usable coordinates recorded on flightlog.org (8 flights)