Last year’s trend to move private jets off registration in mainland China is continuing this year, reinforced by the growing habit of not seeking a local domicile for new aircraft, industry officials say. These measures are probably helping volume or orders, but the companies that make business aircraft are still dealing with a market that was once an astounding opportunity but has run into the brick wall of the anti-graft campaign crackdown.

Major airways across China will be altered in the coming 3-5 years, said Che Jinjun, director of the air traffic management bureau of the Civil Aviation Administration of China (CAAC), apparently referring to more general changes but without giving details.

BEIJING—The anti-corruption crackdown that has suppressed sales of business aircraft in China could end in 2017, according to one expert, though others see reasons for it to wind down sooner, or maybe later. The duration of the government’s campaign to catch bribe-taking officials and their business cronies is probably the biggest question for manufacturers looking to China as a potentially enormous market. When showing off a jet is no longer asking to be investigated, the theory goes, buyers will come back.