Takeoffs that could not be located:

• Unknown takeoff — no linkable takeoff on flightlog.org (37 flights)
• Skokloster — outside the curated takeoff dataset (1 flight)
• Fethiye, Ölüdeniz, Babadag lower start (1700m) — outside the curated takeoff dataset (4 flights)
• Fethiye, Ölüdeniz, Babadag upper start (1900m) — outside the curated takeoff dataset (4 flights)
• Vares - Perun — outside the curated takeoff dataset (4 flights)
• Sala, Tärnafältet — outside the curated takeoff dataset (73 flights)
• Trebinje - Gljiva — outside the curated takeoff dataset (1 flight)
• Breza — outside the curated takeoff dataset (1 flight)
• Mora, Gesunda — outside the curated takeoff dataset (5 flights)
• Boracko jezero — outside the curated takeoff dataset (1 flight)
• Malmby flygfält - Strängnäs — outside the curated takeoff dataset (8 flights)
• Sarajevo-Trebevic, low_south — outside the curated takeoff dataset (2 flights)
• Sarajevo-Bjelasnica, low_north — outside the curated takeoff dataset (3 flights)
• Enköping, Grillby — outside the curated takeoff dataset (32 flights)
• toftum — outside the curated takeoff dataset (1 flight)
• Venö — outside the curated takeoff dataset (1 flight)
• Ertebølle — outside the curated takeoff dataset (1 flight)
• Sälen, Tandådalen — outside the curated takeoff dataset (2 flights)
• Branäs — outside the curated takeoff dataset (6 flights)