Royal Navy Lower Deck Ranks and Ratings

• Chief Petty Officer
• Chief Petty Officer Telegraphist

• Petty Officer
• Stoker Petty Officer

• Petty Officer, First Class
• Stoker, First Class
• Shipwright, First Class

• Leading Signalman
• Leading Stoker
• Leading Seaman
• Leading Telegraphist

• Signal Boatswain
• Chief Yeoman of Signals
• Yeoman of Signals
• Ordinary Signalman

• Engine Room Artificer, First Class
• Engine Room Artificer, Second Class
• Engine Room Artificer, Third Class
• Engine Room Artificer, Fourth Class
• Fleet Chief Engine Room Artificer, First Class

• Able Seaman

• Wireman, Second Class

• Chief Engine Room Artificer
• Chief Engine Room Artificer, First Class
• Chief Electrical Artificer, Second Class

• Boy, First Class
• Signal Boy

• Chief Armourer
• Armourer

• Chief Sick Berth Steward
• Sick Berth Steward
• Second Sick Berth Steward

• Mechanician

• Shipwright (Royal Naval Volunteer Reserve)

• Shipwright, Second Class

• Chief Ship's Cook
• Leading Cook's Mate
• Officer's Cook, First Class

• Chief Writer

• Petty Officer Telegraphist
• Telegraphist

• Carpenter's Crew

• Musician

• Ordinary Telegraphist

• Stoker, Second Class

• Ship's Corporal, First Class
• Ship's Corporal, Second Class

• Officer's Steward, First Class
• Officer's Steward, Second Class
• Officer's Steward, Third Class

• Chief Shipwright

• Ship's Steward

• Sick Berth Attendant

• Master-at-Arms

• Ship's Steward's Assistant
• Canteen Assistant

• Boy Telegraphist

• Engineman (Royal Naval Reserve)

• Skipper (Royal Naval Reserve)

• Second Hand (Royal Naval Reserve)

• Deck Hand (Royal Naval Reserve)

• Trimmer (Royal Naval Reserve)

• Engineer Driver, First Class

• Interpreter, Third Class

• First Writer

• Senior Reserve Attendant

Stoker Class

• Mechanician
• Chief Stoker
• Stoker Petty Officer (formerly Leading Stoker First Class)
• Leading Stoker (formerly Leading Stoker Second Class)
• Acting Leading Stoker
• Stoker, First Class
• Stoker, Second Class

Seaman Class

• Chief Petty Officer
• Petty Officer
• Petty Officer First Class
• Petty Officer Second Class
• Leading Seaman
• Able Seaman
• Ordinary Seaman
• Boy, First Class
• Boy, Second Class

Signalman Class

• Chief Yeoman of Signals
• Yeoman of Signals
• Second Yeoman of Signals
• Leading Signalman
• Signalman
• Ordinary Signalman
• Signal Boy

Telegraphist Class

• Chief Petty Officer Telegraphist
• Petty Officer Telegraphist
• Leading Telegraphist
• Telegraphist
• Ordinary Telegraphist
• Boy Telegraphist