The incident occurred in an area where rival ethnic armed groups engaged in major clashes earlier this year.
The sentence, handed down today in Mandalay, was denounced by the former monk who led the 2007 Saffron Revolution.
Police are looking for a man who escaped with a 5-million-kyat ransom after holding a girl hostage in her home in Rangoon’s Kyimyindaing Township.
Two pilots survived the crash, which involved a recommissioned Bell-206 helicopter used as a trainer aircraft.
The largest ethnic party in parliament and a signatory to the Nationwide Ceasefire Agreement want the Burmese army to end its offensive in Arakan State.
Across Burma, landmines pose a daily threat, but five years after the transition to democracy began, there is still no official clearance programme.