New instabilities in the Middle East triggered events that reveal immediate pressures on the aviation aftermarket. On Jan. 31, oil prices hit $100 per barrel for the first time since 2008, soaring on word of protests in Cairo’s Tahrir Square. This sharp increase sent international jet fuel prices up to more than $115 per barrel, with those in the Northwest Europe market peaking at just over $120 per barrel (see chart, p. 46). When fuel prices belled two years ago, airline ...