Takeoffs that could not be located:

• Åre, Mörvikshummeln — outside the curated takeoff dataset (28 flights)
• Åre, Tusenmeter berg — outside the curated takeoff dataset (45 flights)
• Montellano, Upper start — outside the curated takeoff dataset (4 flights)
• Algodonales, Sierra de Lijar, "Poniente" W — outside the curated takeoff dataset (8 flights)
• Andalucia - Teba — outside the curated takeoff dataset (2 flights)
• Orsa, Tallhed — outside the curated takeoff dataset (58 flights)
• Åre, Tväråvalvet — outside the curated takeoff dataset (24 flights)
• Åre, Rappet väst — outside the curated takeoff dataset (12 flights)
• Algodonales, Sierra de Lijar, "Levante" SE and SW — outside the curated takeoff dataset (2 flights)
• Montellano, Lower start — outside the curated takeoff dataset (2 flights)
• Andalucia , Matalascañas — outside the curated takeoff dataset (2 flights)
• Andalucia, El Bosque — outside the curated takeoff dataset (5 flights)
• Gesundaberget, Mora — outside the curated takeoff dataset (11 flights)
• Åre, Stötta 4 (långspannet) — outside the curated takeoff dataset (4 flights)
• Åre, Åreskutan — outside the curated takeoff dataset (2 flights)
• Åre, Toppen på skutan — outside the curated takeoff dataset (4 flights)
• Åre, Vändhjulet — outside the curated takeoff dataset (1 flight)
• Åre, Röda rappet Väst — outside the curated takeoff dataset (1 flight)