A Sriwijaya Air Boeing 737-500 plunged about 10,000 feet (3,000 meters) in less than a minute before slamming into the Java Sea on January 9, minutes after taking off from Jakarta.
Police said they believed the dozens-strong rebel faction was responsible for the Sunday slaying of General I Gusti Putu Danny Karya Nugraha, who headed Papua's intelligence agency.
Rescue aircraft and ships scoured the sea north of Bali on Friday as the hunt for a missing Indonesian submarine with 53 crew on board reached a critical phase due to limited supplies of oxygen aboard the 44-year-old vessel.
More navy ships left the Indonesian base of Banyuwangi early on Friday to head to the Bali Sea where contact was lost with the KRI Nanggala-402 on Wednesday during a torpedo drill.
Indonesia's $1.56 billion trade surplus in March came in slightly below the $1.64 billion predicted in the Reuters poll. The surplus narrowed from $2.01 billion in February.
Indonesia's gross domestic product contracted for the first time since the 1998 Asian financial crisis last year, by 2.07% with household consumption and investment declining.
Coal exports, meanwhile, are estimated to reach 408 million tonnes this year, slightly lower than the government's initial target of 412.5 million tonnes, the data showed.
About 38 million doses of a vaccine produced by China's Sinovac Biotech have arrived in the Southeast Asian country so far, some of which have been used in a mass inoculation drive starting in January.