Takeoffs that could not be located:

• Annecy, Talloires, Planfait — outside the curated takeoff dataset (4 flights)
• Chamonix — outside the curated takeoff dataset (10 flights)
• Unknown takeoff — no linkable takeoff on flightlog.org (1 flight)
• Korilovos, Drama. Greece — outside the curated takeoff dataset (21 flights)
• Petrusa, Drama. Greece — outside the curated takeoff dataset (1 flight)
• Kefalari, Drama — outside the curated takeoff dataset (1 flight)
• Sulens, Annecy — outside the curated takeoff dataset (1 flight)
• Annecy, Montmin, Col de la Forclaz — outside the curated takeoff dataset (1 flight)
• Col des Frêtes, Annecy — outside the curated takeoff dataset (1 flight)
• Løkken, Nørre Lyngby — outside the curated takeoff dataset (2 flights)
• Dokkedal — outside the curated takeoff dataset (3 flights)
• Biggekerke, Zoutelande (Dunesoaring) — outside the curated takeoff dataset (3 flights)
• Coo-South — outside the curated takeoff dataset (2 flights)
• Terril Du Roton (farciennes) — outside the curated takeoff dataset (1 flight)