Takeoffs that could not be located:

• Algodonales, Sierra de Lijar, "Poniente" W — outside the curated takeoff dataset (48 flights)
• Allmannberget Øst, Oppdal — no usable coordinates recorded on flightlog.org (3 flights)
• Oslob, Oslob City, Cebu — outside the curated takeoff dataset (1 flight)
• Carmona, Cavite — outside the curated takeoff dataset (1 flight)
• Ambaguio, Bayombong, Nueva Vizcaya — outside the curated takeoff dataset (1 flight)
• Bagabag, Solano, Nueva Vizcaya — outside the curated takeoff dataset (1 flight)
• Unknown takeoff — no linkable takeoff on flightlog.org (2 flights)
• Algodonales, Sierra de Lijar, "Levante" SE and SW — outside the curated takeoff dataset (39 flights)
• Montellano, Lower start — outside the curated takeoff dataset (1 flight)
• Andalucia, El Bosque — outside the curated takeoff dataset (8 flights)
• Andalucia , Matalascañas — outside the curated takeoff dataset (5 flights)
• Lom Kao, Phu Thap Boek Song — outside the curated takeoff dataset (8 flights)
• Koh Larn, Pattaya — outside the curated takeoff dataset (1 flight)
• PhuThapBoek — outside the curated takeoff dataset (7 flights)
• Algodonales, Sierra de Lijar, NW, den like ved veien. — outside the curated takeoff dataset (6 flights)
• Khek Noi, Khao Kho Distrikt, Phetchabun — outside the curated takeoff dataset (1 flight)
• Lom Kao, Phu Thap Boek 1300m — outside the curated takeoff dataset (2 flights)
• Coll d'Ares, Àger/Ager Leida — outside the curated takeoff dataset (3 flights)
• Annecy, Montmin, Col de la Forclaz — outside the curated takeoff dataset (13 flights)
• Tenerife, Taucho — outside the curated takeoff dataset (20 flights)
• Tenerife, Teide, Valle de Güimar — outside the curated takeoff dataset (2 flights)
• Tenerife, Ladera de Guimar — outside the curated takeoff dataset (2 flights)
• Tenerife, Ifonche — outside the curated takeoff dataset (3 flights)
• Tenerife, Las Teresitas — outside the curated takeoff dataset (1 flight)