Careers Career Paths MOS 6199 -- Enlisted Aircrew/Aerial Observer/Gunner Marine Corps Enlisted Job Descriptions Share PINTEREST Email Print Sygma via Getty Images / Getty Images Career Paths US Military Careers Technology Careers Sports Careers Sales Project Management Professional Writer Music Careers Media Legal Careers Government Careers Finance Careers Fiction Writing Careers Entertainment Careers Criminology Careers Book Publishing Aviation Animal Careers Advertising Learn More By Rod Powers Rod Powers Air Force NCO Academy Rod Powers was a retired Air Force First Sergeant with 22 years of active duty service. Learn about our Editorial Process Updated on 02/15/17 Type of MOS : PMOS Rank Range: MGySgt to Pvt Job Description Enlisted aircrew/aerial observers/aerial gunners are flight crewmembers that perform duties incident to the operation of Marine helicopters and tiltrotor aircraft. Job Requirements Must have normal color perception.Must be eligible for a secret s security clearance.Volunteer for duties involving flight as an aircraft crewmember.Must be a 2d class swimmer or higher.Meet the requirements of OPNAVINST 3710.7 and the USN Manual of the Medical Department with normal depth perception.Complete all requirement contained in appropriate NATOPS Manual or syllabi peculiar to the aircraft. Duties For a complete listing of duties and tasks, refer to MCO P3500.14 and MCO P3500.16, Aviation Training and Readiness (T and R) Manuals. Related Department of Labor Occupation Codes None. Related Marine Corps Jobs None. Above information derived from MCBUL 1200, parts 2 and 3