Deadly crashes and near misses: Why does Indonesia have such a notorious air safety record?

Investigators are still trying to piece together why a Lion Air plane plunged into the sea off Jakarta early on Monday morning with 189 people on board, even as Indonesian authorities continue searching for the plane’s fuselage.
The Boeing 737 Max jet had only been in service for two months. The plane’s speed and altitude sensors gave out irregular readings on Sunday but were later tested and cleared for flight, said Geoffrey Thomas, managing director of Airlineratings.com….