There were two posts: 'Senior Assistant Lieutenant' corresponding to Juhachiinojo (Junior Eighth Rank, Upper Grade) and 'Junior Assistant Lieutenant' corresponding to Juhachiinoge (Junior Eighth Rank, Lower Grade); they were equivalent to 'Sakan' out of the Shitokan.
従八位上相当の「大志」と従八位下相当の「少志」があり、四等官のうちの主典「サカン」に相当。