The crash probe was likely to take months, but a preliminary report was expected in 30 days

The recorder could supply critical clues as to why the aircraft plunged

Data recovered from crashed Indonesia jet's flight recorder

Earlier on Tuesday, more human remains were found at the crash site, as well as personal effects, such as wallets containing identification cards

The Boeing 737-500 plane plunged into the sea on Saturday, four minutes after it departed from Jakarta’s main airport and disappeared off radar screens

Indonesia retrieves crashed Sriwijaya Air plane's flight data recorder

The recording device was being transported to Jakarta’s port

A National Transportation Safety Committee official (L) and a search and rescue agency member on board the navy ship KRI Rigel inspect debris retrieved from the sea floor during the search and rescue operation for Sriwijaya Air flight SJ 182 off the Jakarta coast, Indonesia, January 12, 2021.

Indonesia retrieves 'black box' from crashed Sriwijaya Air plane -official

Indonesian authorities said they had recovered pieces of wreckage and body parts on Sunday from the waters north of the capital where Sriwijaya Air Flight SJ 182 disappeared in rainy weather

Sri Lungdiyanti, 41, family member of a Sriwijaya Air passenger reacts after the Flight SJ182 Boeing 737-500, crashed after taking off, in Tegal, Central Java Province, Indonesia, January 10, 2021.

Still hoping: Indonesians await news of relatives on missing plane

Indonesia's aviation sector has long had a reputation for poor safety, and its airlines were once banned from entering US and European airspace

The Sriwijaya Air Boeing 737-500 went into a steep dive about four minutes after it left Soekarno-Hatta international airport in Jakarta on Saturday afternoon

Indonesia says located black box recorders from crashed plane

The Boeing 737-500, en route to Pontianak in West Kalimantan, disappeared from radar screens after taking off just after 2.30 p.m.

A member of the rescue team looking for an Indonesian plane that lost contact after taking off from the capital Jakarta holds suspected debris, at sea, January 9, 2021.

Data recovered from crashed Indonesia jet's flight recorder

Indonesia retrieves crashed Sriwijaya Air plane's flight data recorder

Indonesia retrieves 'black box' from crashed Sriwijaya Air plane -official

Still hoping: Indonesians await news of relatives on missing plane

Indonesia says located black box recorders from crashed plane

Indonesian plane feared to have crashed with 62 aboard

# plane crash

Data recovered from crashed Indonesia jet's flight recorder

Indonesia retrieves crashed Sriwijaya Air plane's flight data recorder

Indonesia retrieves 'black box' from crashed Sriwijaya Air plane -official

Still hoping: Indonesians await news of relatives on missing plane

Indonesia says located black box recorders from crashed plane

Indonesian plane feared to have crashed with 62 aboard