Originally Posted by
megan
Never heard of it RVDT, do you have a reference per chance? Many thanks.
This is for EASA-land;
Link
CS HPT-DSN.F.520 Heliport identification marking
c) Characteristics:
(1) A heliport identification marking should consist of a letter ‘H’, white in colour. The
dimensions of the ‘H’ marking should be no less than those shown in Figure F-3.
(2) Where the ‘H’ marking is used for a runway-type FATO, its dimensions should be
increased by a factor of 3 (see Figures F-2 and F-3).
(3) A heliport identification marking should be oriented with the cross arm of the ‘H’ at right
angles to the preferred final approach direction