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Marine Corps (USMC) Enlisted Job Descriptions
MOS 7382, Airborne Radio Operator/Inflight Refueling Observer/ Loadmaster ARO/IRO/LM
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Summary. ARO/IRO/IM is an aircraft crew member capable of performing three separate functions depending on the type of flight. ARO operates high frequency (HF) radio equipment, diagnoses minor equipment malfunctions, and performs minor inflight troubleshooting and repair. IRO act as safety observers during inflight refueling operations. LM stages, loads cargo and passengers aboard tactical and non-tactical transport aircraft, computes aircraft weight and balance status, computes cargo restraint criteria, ensures proper cargo tiedown restraint is applied, is fully knowledgeable of regulations which govern the transportation of hazardous materials aboard military aircraft, is capable of conducting aerial delivery of passengers and cargo and is capable of supervising and conducting Rapid around Refueling (RGR) missions.


(1) Must possess a GT score of 110 or higher.

(2) Capable of obtaining a secret security clearance.

(3) Must be a U.S. citizen.

(4) Must meet the requirements of OPNAVINST 3710.7_.

(5) Physically qualified for duty involving flying IAW NAVMED P-117, chapter 15.

(6) Must be qualified as a first class combat swimmer.

(7) Must have normal color vision.

(8) Must have satisfactorily completed the following schools (or an equivalent formal school of another military service):

(a) Naval Air Crew Candidate School.

(b) Survival Evasion Resistance and Escape (SERE).

(c) Basic Aircraft Loadmaster School (189th ANG LRAFB).

(d) Loadmaster Initial Qualification (314th Operations Group LRAFB).

(e) Loadmaster Mission Qualification (314th Operations Group LRAFB).

(9) Must complete screening requirements established by the Commanding Officer, Marine Aerial Refueler Transport Training Squadron 253 and conducted by the Director of the Marine Corps Airborne Radio Operator/Inflight Refueling Observer/Loadmaster School.

(10) Must have current designation of MOS 7381.

(11) Complete the Marine Airborne Radio Operator/Inflight Refueling Observer/Loadmaster School at VMGRT 253, MCAS Cherry Point, NC.

(12) Complete a combat capable NATOPS Evaluation.

(13) Be familiar with FAA communications procedures and regulations.

(14) Be familiar with pertinent FCC regulations.

(15) Be familiar with pertinent ICAO communication publications, regulations, and procedures.

(16) Volunteer to fly as enlisted aircrew.


(1) MGySgt to LCpl:

(a) Performs preventive maintenance of aircraft loading equipment.

(b) Coordinates the staging of loads and passengers to be loaded aboard transport aircraft.

(c) Loads cargo and passengers aboard transport aircraft within the allowable Center of gravity limitations.

(d) Restrains cargo IAW applicable directives.

(e) Computes aircraft center of gravity.

(f) Completes aircraft weight and balance form (DD 365-4).

(g) Maintains pertinent inflight records.

(h) Loads, unloads, and supervises the transportation of hazardous materials aboard aircraft.

(i) Identifies potential hazards which may occur during flight.

(j) Conducts and supervises aerial delivery of passengers and cargo.

(k) Performs high frequency radio troubleshooting inflight.

(l) Operates high frequency voice radio equipment utilizing all applicable, established voice radio procedures.

(m) Utilizes all applicable transmission security procedures.

(n) Complies with all pertinent FCC regulations.

(o) Complies with FAA communication procedures and regulations.

(p) Utilizes pertinent ICRO communication publications and follows appropriate regulations and procedures.

(q) Performs inflight refueling observer duties for fixed wing aircraft.

(r) Performs inflight refueling observer duties for rotary wing aircraft.

(s) Identifies potential hazards which occur during inflight refueling operations.

(t) Conducts and supervises Rapid Ground Refueling operations.

(u) Conducts and supervises aerial flare delivery missions.

(2) MGySgt to Sgt: Supervises ARO/IRO/LM in a transport squadron.

(3) MGySgt to SSgt: Supervises and directs training for ARO/IRO/LM in a transport squadron.

Related DOT Classification/DOT Code. Cargo Dispatcher 248.367-018.

Related Military Skill.

Information Derived From MCO P1200.7V Part I and Part II.

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