Takeoffs that could not be located:

• Valdres, Øystre Slidre, Beito, Skyrifjellet — no usable coordinates recorded on flightlog.org (1 flight)
• Bischlinghöhe - Werfenweng - Abtenau — outside the curated takeoff dataset (4 flights)
• Unknown takeoff — no linkable takeoff on flightlog.org (4 flights)
• Coll d'Ares, Àger/Ager Leida — outside the curated takeoff dataset (8 flights)
• Grand Bornand, Mont Lachat — outside the curated takeoff dataset (6 flights)
• Chamonix — outside the curated takeoff dataset (1 flight)
• Madeira, Arco da Calheta — outside the curated takeoff dataset (1 flight)
• Saint Jean Montclar (Belvédère) — outside the curated takeoff dataset (7 flights)
• Annecy, Talloires, Planfait — outside the curated takeoff dataset (9 flights)
• Marlens, Annecy — outside the curated takeoff dataset (6 flights)
• Dump (Mussel Rock), Pacifica — outside the curated takeoff dataset (303 flights)
• Golden, Mount 7, Lower Start — outside the curated takeoff dataset (6 flights)
• Woodrat Mtn, Oregon — outside the curated takeoff dataset (15 flights)
• Col de Forclaz- Montmin — outside the curated takeoff dataset (27 flights)
• Mieussy, Le Pertuiset — outside the curated takeoff dataset (1 flight)
• Stanwell Park - Sydney — outside the curated takeoff dataset (1 flight)
• Manilla, Mt Borah (NSW) — outside the curated takeoff dataset (12 flights)
• St. André-Les-Alpes, Chalvet — outside the curated takeoff dataset (4 flights)
• Dunlap, California — outside the curated takeoff dataset (67 flights)
• Blue Rock, Vallejo — outside the curated takeoff dataset (1 flight)
• The Whaleback — outside the curated takeoff dataset (4 flights)
• Pine Mountain, Bend, Oregon — outside the curated takeoff dataset (2 flights)
• Sicilia, Palermo-Ciaculli. — outside the curated takeoff dataset (1 flight)
• Sicilia, Il Monte, West of Cefalù — outside the curated takeoff dataset (1 flight)
• Sicilia, Monte Cofano — outside the curated takeoff dataset (1 flight)