46 C.F.R. § 10.803 Grades of certificates issued.
Title 46 - Shipping
Staff officers are registered in the following grades: (a) Chief purser. (b) Purser. (c) Senior assistant purser. (d) Junior assistant purser. (e) Medical doctor. (f) Professional nurse.
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart H—Registration of Staff Officers
§ 10.803 Grades of certificates issued.