Takeoffs that could not be located:

• Valle de Bravo, El Peñon — outside the curated takeoff dataset (16 flights)
• Gréolières, Mt. Cheiron — outside the curated takeoff dataset (3 flights)
• Col de Bleyne — outside the curated takeoff dataset (2 flights)
• Alpes-Maritimes, La Colmiane, Pic de Colmiane — outside the curated takeoff dataset (2 flights)
• La Roque-Esclapon, Montagne de Lachens — outside the curated takeoff dataset (1 flight)
• Gourdon, Le Haut Montet — outside the curated takeoff dataset (3 flights)
• Roquebrune Cap-Martin, Mont-Gros — outside the curated takeoff dataset (1 flight)
• Gourdon, Kennedy — outside the curated takeoff dataset (1 flight)
• Åre, Tusenmeter berg — outside the curated takeoff dataset (1 flight)
• Serra da Estrela - Linhares da Beira - Celorico da Beira — outside the curated takeoff dataset (12 flights)
• Andalusia, Alfacar — outside the curated takeoff dataset (2 flights)
• Andalucia, Sierra Nevada, Granada, Cenes de la Vega — outside the curated takeoff dataset (11 flights)
• Sierra de Lújar, Castell de Ferro — outside the curated takeoff dataset (1 flight)
• Andalusia, Loma del Gato - lower launch — outside the curated takeoff dataset (1 flight)