Question: Princess Johanna Marina Eleoore of Hesse was orphaned at the age of fourteen months, when her family was killed in a plane crash, when the plane they were in hit what? 
Sentence (from "Sabena OO-AUB Ostend crash"): Conditions were little better at Ostend, but the aircraft hit a factory chimney while circling to land at Stene Airport.
Relevant evidence: Yes