A Boeing 747-8 Intercontinental jetliner lands at Le Bourget airport in Paris. Boeing has taken the risky step of buying and leasing its own jumbos as sales stagnate. Pascal Rossignol / Reuters
A Boeing 747-8 Intercontinental jetliner lands at Le Bourget airport in Paris. Boeing has taken the risky step of buying and leasing its own jumbos as sales stagnate. Pascal Rossignol / Reuters

‘Ghost’ jumbo jets spur rattled Boeing’s risky plan