Takeoffs that could not be located:

• Chamonix — outside the curated takeoff dataset (47 flights)
• Annecy, Talloires, Planfait — outside the curated takeoff dataset (1 flight)
• Brosso, Cima Cavallaria, Manifestazione — outside the curated takeoff dataset (7 flights)
• Chamonix, Plaine Joux — outside the curated takeoff dataset (10 flights)
• Stockholm, Täby, Arninge, Ullnabacken Nord — outside the curated takeoff dataset (7 flights)
• Unknown takeoff — no linkable takeoff on flightlog.org (1 flight)
• Enköping, Myrsjö — outside the curated takeoff dataset (2 flights)
• Col de Forclaz- Montmin — outside the curated takeoff dataset (1 flight)
• Enköping, Vånsjö — outside the curated takeoff dataset (3 flights)
• Plaine Joux — outside the curated takeoff dataset (4 flights)