I've posted a guide on the Phantom River Stone blog on how to trigger the two cutscenes that are shown when Ryo is walking through the Wise Men's Quarter in Wan Chai: the passenger jet & the fighter jets that pass overhead.
The idea for this post came from Kiyuu who introduced these cutscenes on the Dojo several years ago.
Read the blog post here:
http://www.phantomriverstone.com/2017/0 ... ghter.html