Broadcasting director-general Abu Bakar Ab Rahim, when contacted by Bernama, said Helan died at 11.53pm.
A well-known RTM personality, Helan, 74, was laid to rest at the Section 9 Muslim burial ground, Kota Damansara, this morning.
Helan had served as a radio announcer, news reader and programme host before his retirement in 1998.
Among the programmes made popular by Helan was Bakat TV, a talent contest.