Takeoffs that could not be located:

• Unknown takeoff — no linkable takeoff on flightlog.org (344 flights)
• Shambhala, Sopot — outside the curated takeoff dataset (5 flights)
• Gemona, Monte Cuarnan — outside the curated takeoff dataset (17 flights)
• Tekeli Upper Start — outside the curated takeoff dataset (7 flights)
• Meduno — outside the curated takeoff dataset (1 flight)
• Roldanillo, Aguapanela — outside the curated takeoff dataset (23 flights)
• Valle de Bravo, El Peñon — outside the curated takeoff dataset (237 flights)
• Pampoen Fontein, Porterville — outside the curated takeoff dataset (27 flights)
• Dasklip Pas, Porterville — outside the curated takeoff dataset (13 flights)
• Piketberg Upper — outside the curated takeoff dataset (2 flights)
• Wilderness, Sedgeview — outside the curated takeoff dataset (1 flight)
• Coll d'Ares, Àger/Ager Leida — outside the curated takeoff dataset (8 flights)
• Krusevo, Meckin Kamen — outside the curated takeoff dataset (17 flights)
• Calentón — outside the curated takeoff dataset (5 flights)
• Roldanillo, Los Tanques — outside the curated takeoff dataset (2 flights)
• Roldanillo, Trebol — outside the curated takeoff dataset (2 flights)
• Treskavec — outside the curated takeoff dataset (2 flights)
• Wilderness, Kleinkranz, Paradise Ridge — outside the curated takeoff dataset (10 flights)
• Bischlinghöhe - Werfenweng - Abtenau — outside the curated takeoff dataset (6 flights)
• Roldanillo, El Pico — outside the curated takeoff dataset (2 flights)
• Slogen (1564 moh), Øye — no usable coordinates recorded on flightlog.org (1 flight)
• Sedgefield near Wilderness — outside the curated takeoff dataset (6 flights)
• Norma — outside the curated takeoff dataset (6 flights)
• Monte Caira — outside the curated takeoff dataset (1 flight)
• Serra da Estrela - Vale da Amoreira - Manteigas — outside the curated takeoff dataset (3 flights)
• Serra da Estrela - Azinha takeoff - Manteigas — outside the curated takeoff dataset (2 flights)