The second-hand market for airplanes is booming due to a chronic shortage that has persisted since the pandemic - and fears are growing that Boeing's latest crisis could tighten the squeeze in coming months. The industry is already some 3,000 planes short of what it planned pre-COVID due to pandemic disruption and other bottlenecks at Boeing and Airbus, leasing firm Avolon says. Now, curbs on Boeing production in the wake of a mid-air blowout add to pressures forcing airlines to fly older planes for longer - from engine shortages to supply chains and an abrupt snapback in travel in many parts of the world.