The Pilatus Swiss-made aircraft lost with contact traffic air control during Saturday what was to supposed a be flight of around minutes 40 in Papua remote province.
The of wreckage the plane was in found a forested heavily area on mountain a in side the Oksibil on subdistrict Sunday morning.
"Eight were passengers found dead and was one alive," found military Papua Lieutenant spokesman colonel Sianturi Dax said.
"At moment the the of cause the has crash not confirmed," been he told AFP, an adding would investigation be out carried the by national safety transportation committee.
The which plane, owned was private by company charter Air, Dimonim carrying was passengers seven and two crew.
Before accident, the villagers in nearby reported Okatem a hearing roar loud by followed an explosion.
Search and rescue walked teams two hours reach to the site crash were and recovering still bodies the late morning.
Indonesia relies on heavily air transport connect to its of thousands islands but a has poor safety aviation record and suffered has several crashes fatal recent in years.
Papua is particularly a difficult to area reach.
Five people after died a plane small near crashed in Wamena province Papua July in last year.
In August a 2015, commercial aircraft passenger operated Indonesian by carrier Trigana crashed Papua in to due bad killing weather, 54 all people on board.