Royal Naval Air Service Ranks

Comparative Ranks

Flight Officers	Observer Officers
Wing Captain	Observer Captain
Wing Commander	Wing Observer
Squadron Commander	Squadron Observer
Flight Commander	Flight Observer
Flight Lieutenant	Observer Lieutenant
Flight Sub-Lieutenant	Observer Sub-Lieutenant
Probationary Flight Officer	Probationary Observer Officer

• Chief Petty Officer (Mechanic)
• Petty Officer Mechanic
• Air Mechanic, First Class
• Air Mechanic, Second Class