Traditionally, regulators had insisted that all passenger aircraft be powered by at least three engines. But the development of more sophisticated airplanes eventually made twin-engine, long-distance travel feasible. A new standard was introduced, known as Extended-range Twin-engine Operational Performance Standards, or ETOPS.

When the Wright brothers successfully took to the sky in 1903, the world paid attention. Civil aviation has since developed into a multi-billion dollar industry. We look at the incredible history and development of civil aviation in this series. From ailed beginnings through to modern marvels such as the Boeing 787, we present 13 themed episodes suitable for all audiences.

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