Martin Thomas Glynn is accused of posting on social media in the hours following the December 14 terror attack at Bondi Beach, where two gunmen opened fire on a crowd of Jewish faithful celebrating Hanukkah, killing 15 people.
The 39-year-old was later charged with conduct intended to racially harass, carrying or possessing a prohibited weapon, and failing to properly store a firearm after police raided his home in Yangebup, south of Perth, on December 24.
He briefly appeared on Tuesday via video-link in Fremantle Magistrates Court, where magistrate Andrew Matthews read Glynn two additional charges.
These are possessing firearm technology while not authorised by a licence or permit and failing to store a firearm or related thing in compliant storage.
Glynn, who is in custody at Hakea Prison, was not required to enter a plea, and a legal aid lawyer asked for his case to be adjourned until late in the month for legal advice.
The lawyer also foreshadowed a bail application at his next appearance in the same court on February 27.
During the December raid, police allegedly seized several firearms, large quantities of ammunition and flags linked to banned terrorist organisations Hezbollah and Hamas.
Police said Glynn had a gun licence for hunting, and all but one of his firearms were registered, but they have initiated a process to cancel his permit.
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