Watch MM first.
Marine Corps MOS guide
61XX Helicopter Crew Chief ASVAB score requirements
Score target and study focus for Marine Corps 61XX.
61XX
MOS familyMarine Corps MOS score brief
Helicopter Crew Chief
ASVAB line score targetMM 105+
Supports Marine aviation through aircraft maintenance, airfield services, aviation ordnance, weather, or crew operations. This MOS is in the Helicopter Maintenance field; use the guide to connect its score target with the right ASVAB subjects.
Helicopter Crew Chief can fit students who want a Marine Corps role in helicopter maintenance and are ready to verify current contract options with a recruiter.
Technical, operations, logistics, security, aviation, public-service, or administrative paths depending on the MOS field.
Study first
Focus these areas
- Build arithmetic reasoning, mechanical comprehension, auto information, shop information before comparing this MOS against your score report.
- Keep AFQT inputs stable while you raise the Marine Corps line-score areas tied to this role.
Daily work
What you may do
- Work on helicopter crew chief duties in the Marine Corps helicopter maintenance field.
- Follow unit procedures, equipment standards, reporting routines, and mission-readiness checks tied to the MOS.
61XX Marine Corps MOS FAQ
Common Helicopter Crew Chief ASVAB questions
What ASVAB score do you need for Marine Corps 61XX Helicopter Crew Chief?
MM 105+ is the planning target shown on this MeritMarch guide. Treat it as study guidance, not a contract promise, because Marine Corps MOS access, openings, waivers, medical qualification, and recruiter guidance can change.
What does a Marine Corps 61XX Helicopter Crew Chief do?
Supports Marine aviation through aircraft maintenance, airfield services, aviation ordnance, weather, or crew operations. This MOS is in the Helicopter Maintenance field; use the guide to connect its score target with the right ASVAB subjects.
Which ASVAB sections should I study for 61XX?
Start with the subjects behind MM 105+: Arithmetic Reasoning, Mechanical Comprehension, Auto Information, Shop Information, Electronics Information. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is 61XX guaranteed if I meet the score target?
No. ASVAB line scores are only part of Marine Corps MOS access. Current openings, contract options, medical standards, citizenship, security screening, waivers, and Marine Corps needs can all affect availability.
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Sources and official confirmation
Line-score target shown on this page: MM 105+. Current Marine Corps MOS access still depends on official policy, openings, medical qualification, background screening, waivers, citizenship, and recruiter guidance.
This entry represents a broad MOS family. Confirm the exact MOS assignment, training pipeline, and current contract options with a Marine recruiter.
Sources reviewed May 9, 2026: Marines MOS fields, Marine Corps FY26 MOS Manual NAVMC 1200.1L, Marines general requirements, Operation Military Kids Marine Corps MOS ASVAB table.