Officers' records giving dates of entry into and discharge from the service. They contain such information as dates of birth, rank, seniority, date of appointment, orders and commissions, awards, distinctions, examinations etc. and include particulars of Royal Marine Officers. Most volumes are indexed.
Digital copies of Royal Navy officers service records 1756-1931 can be searched and downloaded.b The index volumes within ADM 196 are also available as digital microfilm.