Takeoffs that could not be located:

• Åre, Röda Rappet Syd — outside the curated takeoff dataset (1 flight)
• Åre, Tusenmeter berg — outside the curated takeoff dataset (19 flights)
• Åre, Tväråvalvet — outside the curated takeoff dataset (8 flights)
• Åre, Röda rappet Väst — outside the curated takeoff dataset (1 flight)
• Kössen, Scheibenwald — outside the curated takeoff dataset (3 flights)
• Interlaken, Amisbüel — outside the curated takeoff dataset (1 flight)
• Col de Forclaz- Montmin — outside the curated takeoff dataset (25 flights)
• Grand Bornand, Mont Lachat — outside the curated takeoff dataset (1 flight)
• Marlens, Annecy — outside the curated takeoff dataset (4 flights)
• Annecy, Talloires, Planfait — outside the curated takeoff dataset (3 flights)
• Unknown takeoff — no linkable takeoff on flightlog.org (11 flights)
• Plaine Joux — outside the curated takeoff dataset (1 flight)
• Gréolières, Montagne du Cheiron — outside the curated takeoff dataset (1 flight)
• Gréolières, Mt. Cheiron — outside the curated takeoff dataset (1 flight)
• Annecy, Montmin, Col de la Forclaz — outside the curated takeoff dataset (29 flights)
• Åre, Mörvikshummeln — outside the curated takeoff dataset (11 flights)
• Montlambert — outside the curated takeoff dataset (1 flight)
• Kalocsa, opptrekk — outside the curated takeoff dataset (5 flights)
• Újszász, opptrekk — outside the curated takeoff dataset (1 flight)
• Lookout mountain - Golden, Colorado — outside the curated takeoff dataset (43 flights)
• North Boulder - Colorado — outside the curated takeoff dataset (2 flights)
• Chamonix, Plaine Joux — outside the curated takeoff dataset (1 flight)
• Budapest, Hármashatárhegy, Óbuda — outside the curated takeoff dataset (3 flights)
• Máriahalom — outside the curated takeoff dataset (10 flights)