The search for the black box of the crashed AirAsia flight QZ8501 has resumed in Indonesia's Java Sea after bad weather hampered the operation.

The Singapore-bound flight carrying 162 people – 155 passengers and seven crew members – went down in Indonesian waters earlier, even as the cause of the incident is yet to be ascertained.

No signal has been detected from the plane's flight data recorders, commonly referred to as black boxes, as yet. At least five vessels carrying the pinger locators able to detect the signals emitted by the recorders have been deployed.

"The weather is quite conducive. The visibility is six kilometres, there's no low cloud, and the wind is calm. With our calculations of currents this strong, every day this operational area is extended," said Suryadi Supriyadi, chief of Indonesia's National Search and Rescue Agency.

"If it cannot be done by divers, we will use sophisticated equipment with capabilities of tracking underwater objects and then will lift them up. But today's searching mission is still, once again, depend on the weather," the Indonesian official added.

Though the divers have been scouring Indonesia's shallow waters for more bodies and the plane's parts, their efforts have been constantly impeded by the rolling seas stirring up mud and silt.

Authorities have also lost hope of finding any survivors. So far, 34 dead bodies have been recovered from the crash zone while helicopters continue to swirl above the coastal areas for clues.

In addition to that, some wreckage have also been spotted but officials could not confirm whether it belonged to the crashed airliner due to weather conditions.

Related