What's the noun for admiralcy? Here's the word you're looking for.
admiral
A naval officer of the highest rank; the commander of a country's naval forces.
A naval officer of high rank, immediately below Admiral of the Fleet; the commander of a fleet or squadron.
A flag officer in the United States Navy or Coast Guard of a grade superior to vice admiral and junior to admiral of the fleet (when that grade is used). An admiral is equal in grade or rank to a four star general.
The ship which carries the admiral, the flagship; also, the most considerable ship of a fleet.
(obsolete) A prince or Saracen leader under the Sultan.
“Equally disturbing to many, Parliament routed execution of these new laws through admiralty courts, where a judge would preside.”
“This general rule of construction should especially guide a court of admiralty in interpreting a contract of bottomry and respondentia.”
“So the very purpose of proceedings within the admiralty jurisdiction is in respect of a general maritime cause which includes the provision of security.”