Takeoffs that could not be located:

• Chamonix, Plaine Joux — outside the curated takeoff dataset (2 flights)
• Chamonix — outside the curated takeoff dataset (3 flights)
• Plan de l'Aiguille — outside the curated takeoff dataset (3 flights)
• Organyà, Pyrenees — outside the curated takeoff dataset (39 flights)
• Dune du Pilat - Arcachon — outside the curated takeoff dataset (1 flight)
• Chamonix, Aiguille du Midi — outside the curated takeoff dataset (1 flight)
• Vérel - Sire — outside the curated takeoff dataset (1 flight)
• Coll d'Ares, Àger/Ager Leida — outside the curated takeoff dataset (1 flight)
• Unknown takeoff — no linkable takeoff on flightlog.org (19 flights)
• Fethiye, Ölüdeniz, Babadag lower start (1700m) — outside the curated takeoff dataset (13 flights)
• Fethiye, Ölüdeniz, Babadag upper start (1900m) — outside the curated takeoff dataset (4 flights)
• Fethiye, Ölüdeniz, Babadag middle start (1800m) — outside the curated takeoff dataset (5 flights)
• Fethiye, Ölüdeniz, Babadag (1200m) — outside the curated takeoff dataset (8 flights)
• Annecy, Montmin, Col de la Forclaz — outside the curated takeoff dataset (8 flights)
• Annecy, Talloires, Planfait — outside the curated takeoff dataset (14 flights)
• Montellano, Lower start — outside the curated takeoff dataset (2 flights)
• Algodonales, Sierra de Lijar, "Levante" SE and SW — outside the curated takeoff dataset (5 flights)
• Algodonales, Sierra de Lijar, "Poniente" W — outside the curated takeoff dataset (3 flights)