Takeoffs that could not be located:

• Laragne, Sederon — outside the curated takeoff dataset (1 flight)
• Laragne, Chabre — outside the curated takeoff dataset (3 flights)
• Valle de Bravo, El Peñon — outside the curated takeoff dataset (15 flights)
• Bassano, Col del Pupolo "Da Bepi" (teppestarten) — outside the curated takeoff dataset (1 flight)
• Alfredo Chaves, Vitoria, Esperito Santo — outside the curated takeoff dataset (4 flights)
• Governador Valadares, Pico do Ibituruna — outside the curated takeoff dataset (3 flights)
• Col de Forclaz- Montmin — outside the curated takeoff dataset (2 flights)
• Annecy, Talloires, Planfait — outside the curated takeoff dataset (3 flights)
• Chamonix, Plaine Joux — outside the curated takeoff dataset (1 flight)
• Plaine Joux — outside the curated takeoff dataset (1 flight)
• Kåseberga — outside the curated takeoff dataset (1 flight)
• Brandstad — outside the curated takeoff dataset (4 flights)
• Åre, Tusenmeter berg — outside the curated takeoff dataset (2 flights)
• Åre, Mörvikshummeln — outside the curated takeoff dataset (3 flights)