Takeoffs that could not be located:

• St. André-Les-Alpes, Chalvet — outside the curated takeoff dataset (5 flights)
• St Vincent les Forts — outside the curated takeoff dataset (4 flights)
• Serra da Estrela - Linhares da Beira - Celorico da Beira — outside the curated takeoff dataset (2 flights)
• Serra da Estrela - Azinha takeoff - Manteigas — outside the curated takeoff dataset (1 flight)
• Salvador NE — outside the curated takeoff dataset (2 flights)
• Serra da Estrela - Vale da Amoreira - Manteigas — outside the curated takeoff dataset (1 flight)
• St Hilaire du Touvet, Grenoble — outside the curated takeoff dataset (13 flights)
• Longyearbyen, Adventdalen, Helvetiafjellet 315 moh. — outside the curated takeoff dataset (1 flight)
• Svalbard, Longyearbyen, Hiorthavn v/TV-sender — outside the curated takeoff dataset (1 flight)
• Svalbard, Longyearbyen, Gruve 7 v/ EISCAT — outside the curated takeoff dataset (9 flights)
• Svalbard, Longyearbyen, Gruve 7, nedre start (brinken) — outside the curated takeoff dataset (2 flights)
• Svalbard, Longyearbyen, Platåfjellet v/Varden — outside the curated takeoff dataset (1 flight)
• Kvitsandvika brøttum — no usable coordinates recorded on flightlog.org (5 flights)
• Todalen — outside the curated takeoff dataset (2 flights)
• Unknown takeoff — no linkable takeoff on flightlog.org (52 flights)
• Valle de Bravo, El Peñon — outside the curated takeoff dataset (13 flights)
• Annecy, Talloires, Planfait — outside the curated takeoff dataset (2 flights)
• Norma — outside the curated takeoff dataset (8 flights)
• Svalbard, Svea, RL-linken på Deinbolltoppane ovenfor Gruvedalen — outside the curated takeoff dataset (2 flights)