Takeoffs that could not be located:

• Åre, Tusenmeter berg — outside the curated takeoff dataset (12 flights)
• Lanzarote, el Cuchillo — outside the curated takeoff dataset (5 flights)
• Namsos Kommune, Otterøya, Skomsvoll Bakken — no usable coordinates recorded on flightlog.org (3 flights)
• Åre, Stötta 4 (långspannet) — outside the curated takeoff dataset (1 flight)
• Lanzarote, Tinasoria — outside the curated takeoff dataset (3 flights)
• Lanzarote, Famara Upper start — outside the curated takeoff dataset (7 flights)
• Lanzarote, Mala — outside the curated takeoff dataset (15 flights)
• Lanzarote, Famara, lower start — outside the curated takeoff dataset (4 flights)
• Algodonales, Sierra de Lijar, "Levante" SE and SW — outside the curated takeoff dataset (1 flight)
• Løkken, Nørre Lyngby — outside the curated takeoff dataset (3 flights)
• Åre, Röda rappet Väst — outside the curated takeoff dataset (2 flights)
• Unknown takeoff — no linkable takeoff on flightlog.org (3 flights)
• OVERHALLA SKOLEBAKKEN — no usable coordinates recorded on flightlog.org (10 flights)
• Tinasoria — outside the curated takeoff dataset (6 flights)
• Åre, Tväråvalvet — outside the curated takeoff dataset (1 flight)
• Algodonales, Sierra de Lijar, "Poniente" W — outside the curated takeoff dataset (1 flight)
• Andalucia - Teba — outside the curated takeoff dataset (2 flights)
• BJØRGAN GRONG — no usable coordinates recorded on flightlog.org (2 flights)
• Lanzarote, Macher — outside the curated takeoff dataset (1 flight)
• TØTTDAL/ NORD STATLAND — no usable coordinates recorded on flightlog.org (1 flight)