The Australian War Memorial Collection. Test site
Working from close quarters, RAN ratings on the Naval Examination Service vessel HMAS Akuna, display a RAN blackboard containing instructions asking for the name of the incoming vessel. The sign reads, "Haul your name down".
A hoist of signal flags on the yard arm of the Naval Examination Service vessel HMAS Akuna to convey instructions to an incoming ship seeking to enter port. Additional instructions to haul your name d
For long range communication in good visibility, a mechanical semaphore is used by two RAN ratings to send messages from a Naval Examination Service vessel, HMAS Akuna, to an incoming ship.
Semaphore flags being used by RAN ratings on the Naval Examination Service vessel HMAS Akuna to communicate instructions to a ship seeking to enter port.
Arms of the mechanical semaphore spring to life as two RAN ratings use them to send instructions from the Naval Examination Service vessel, HMAS Akuna, to a ship seeking to enter port.
RAN ratings of the Naval Examination Service swarm up the rigging to the crow's nest of the service vessel HMAS Akuna.
A hoist of multi-coloured flags at the yard-arm of a Naval Examination Service vessel HMAS Akuna convey instructions to an incoming ship seeking to enter port. Additional instructions are also display
