At the start of the jet age, German flag carrier Lufthansa had filled its fleet with about 23 Boeing 707s and eight of the shorter variant, the Boeing 720. While the carrier obviously went on to modernize its fleet as the years went by, what happened to these iconic quad jets?
The Boeing 707 is largely credited as the first truly successful commercial jet aircraft. Photo: wiltshirespotter via Wikimedia Commons
The information comes from a site known as Lufthansa Group Fleet. Without any clear official ties to the Lufthansa Group, the level of detail and statistical analy