Takeoffs that could not be located:

• Unknown takeoff — no linkable takeoff on flightlog.org (53 flights)
• Kössen, Scheibenwald — outside the curated takeoff dataset (14 flights)
• Løkken, Nørre Lyngby — outside the curated takeoff dataset (71 flights)
• Valle de Bravo, El Peñon — outside the curated takeoff dataset (143 flights)
• Monte Baldo / Gardasjøen — outside the curated takeoff dataset (1 flight)
• Bassano, Col del Pupolo "Da Bepi" (teppestarten) — outside the curated takeoff dataset (4 flights)
• Bassano, Campeggia — outside the curated takeoff dataset (1 flight)
• Veneto-Bassano, Col del Pupolo — outside the curated takeoff dataset (1 flight)
• Malmefjorden, Kolberg — no usable coordinates recorded on flightlog.org (9 flights)
• Valle de Bravo, La Torre "Torres" — outside the curated takeoff dataset (9 flights)
• Hagafoss ( Hallingdal ) — no usable coordinates recorded on flightlog.org (1 flight)
• Governador Valadares, Pico do Ibituruna — outside the curated takeoff dataset (13 flights)
• Åndalsnes - Bergetjordet — no usable coordinates recorded on flightlog.org (3 flights)
• Bassano, Costalunga — outside the curated takeoff dataset (11 flights)
• Bassano, Rubbio — outside the curated takeoff dataset (1 flight)
• Åndalsnes, Sogge — no usable coordinates recorded on flightlog.org (24 flights)