Takeoffs that could not be located:

• Unknown takeoff — no linkable takeoff on flightlog.org (263 flights)
• Nömmeholm, Vinsch — outside the curated takeoff dataset (1 flight)
• Jönköping, Brunstorpsberget — outside the curated takeoff dataset (7 flights)
• Açores, São Miguel, Vila Franca do Campo — outside the curated takeoff dataset (1 flight)
• Kåseberga — outside the curated takeoff dataset (8 flights)
• Kåseberga, Hammars Backar — outside the curated takeoff dataset (8 flights)
• Gränna, Kleven — outside the curated takeoff dataset (1 flight)
• Alicante, Palomaret — outside the curated takeoff dataset (7 flights)
• Alicante, Santa pola — outside the curated takeoff dataset (3 flights)
• Dune du Pilat - Arcachon — outside the curated takeoff dataset (16 flights)
• Flygfältet, Söderköping — outside the curated takeoff dataset (8 flights)
• Cape Town, Signal Hill — outside the curated takeoff dataset (1 flight)
• Dasklip Pas, Porterville — outside the curated takeoff dataset (3 flights)
• Pampoen Fontein, Porterville — outside the curated takeoff dataset (9 flights)
• Wilderness, Map of Africa — outside the curated takeoff dataset (5 flights)
• Wilderness, Sedgeview — outside the curated takeoff dataset (7 flights)
• Wilderness, Kleinkranz, Paradise Ridge — outside the curated takeoff dataset (4 flights)
• Vadstena, Åbylund, Parabase Vinschfält — outside the curated takeoff dataset (2 flights)
• Södertälje, Tvetafältet — outside the curated takeoff dataset (4 flights)
• Fethiye, Ölüdeniz, Babadag lower start (1700m) — outside the curated takeoff dataset (13 flights)
• Fethiye, Ölüdeniz, Babadag middle start (1800m) — outside the curated takeoff dataset (5 flights)
• Fethiye, Ölüdeniz, Babadag upper start (1900m) — outside the curated takeoff dataset (3 flights)
• Orsa, Tallhed — outside the curated takeoff dataset (12 flights)
• Åre, Mörvikshummeln — outside the curated takeoff dataset (12 flights)
• Åre, Röda rappet Väst — outside the curated takeoff dataset (1 flight)
• Åre, Tväråvalvet — outside the curated takeoff dataset (1 flight)
• Åre, Stendalen — outside the curated takeoff dataset (6 flights)
• Åre, Rännberg — outside the curated takeoff dataset (1 flight)