context: Flight services were pioneered in the early 20th century in the Dutch East Indies. On October 1, 1924, KLM launched its first transcontinental flight, connecting Amsterdam with Batavia (now Jakarta) using Fokker F-VII aircraft. [15] In September 1929, KLM began scheduled flight services between Amsterdam and Batavia. This route connects Amsterdam to Marseille, Rome, Brindisi, Athens, Merza Matruh, Cairo, Gaza, Baghdad, Bushire, Lingeh, Ojask, Gwadar, Karachi, Jodhpur, Allahabad, Calcutta, Akyab, Rangoon, Bangkok, Alor Star, Medan, Palembang , and Batavia, and continued to Bandung. Until the outbreak of the Second World War, this flight route was the longest scheduled flight path in the world. [15]
question: When will the airline industry start operating in Indonesia?
answers.text: early 20th century