Speaking on the sixth day of the search, Muhammad Syaugi said that two engines and more landing gear had been found.
"I'm sure the total will increase", Mr Syaugi said, adding remains were also now washing up on land.
Debris is seen on the sea bed in the search area for Lion Air's flight JT610 airplane, in Indonesia, November 2, 2018, in this still image taken from video obtained from social media. It has been damaged and requires special handling, they say.
The single-aisle Boeing plane, en route from Jakarta to Pangkal Pinang city, is one of the world's newest and most advanced commercial passenger jets.
Dozens of body bags containing remains have been recovered from the crash site.
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The foldable phone when unfolded turns into a 7.8-inch tablet. "Simply making a foldable screen is just not enough". It said it will start filling orders from late December, although little is known about the firm's projected sales.
The 11 Boeing 737 MAX planes comprise one operated by Garuda Indonesia and 10 operated by Lion Air, he said.
Officials on Thursday retrieved the Flight Data Recorder but are still searching for the second black box, the Cockpit Voice Recorder, which could answer the question as to why the brand new Boeing-737 MAX 8 crashed. According to him, shortly after takeoff from the airport of Jakarta from the airliner Lion Air has received an alarm signal, but then the pilot announced the problem and made a decision to continue their journey.
On Monday, the plane crashed 13 minutes after taking off from Soekarno-Hatta International Airport in Jakarta.
"The now operating Boeing 737 MAX 8 aircraft have been inspected and we will continue to monitor and supervise closely, day by day, and if it is found to be significant we will do another inspection and ground them if needed". The U.S. lifted a decadelong ban in 2016.
"From here we will analyse what happened to that flight", Nurcahyo Utomo, head of Indonesia's transportation safety committee, told reporters.
In December 2014, an Air Asia flight from Surabaya to Singapore plunged into the sea, killing all 162 on board.
Shocking footage of the doomed Indonesian Lion Air flight has revealed the eerie underwater graveyard for the 189 passengers who died in the tragic disaster.