21F: Crane
Operator
Major Duties: The crane operator operates
crawler and truckmounted cranes and crane shovels. Duties
for MOS 21F at each level of skill are:
- Skill Levels
- Skill Level 1 MOSC 21F1O. Installs
and removes crane booms, extensions and hook blocks.
Positions crane outriggers assemblies and maneuvers
in response to hand signals. Installs, rigs and removes
crane attachments. Performs clamshell, dragline, wrecking
ball, pile driving, and hook block operations. Determines
safe lifting capacities. Assists in performance of combat
engineer missions.
- Skill Level 2 MOSC 21F2O. Operates
cranes with related attachments. Directs operational
maintenance on assigned equipment.
Physical demands rating and qualifications for initial
award of MOS. The crane operator must possess the following
qualifications:
(1) Physical Demands Rating:
very heavy
(2) Physical Profile: 222221
(3) Red/green color discrimination.
(4) Minimum score of 90 in aptitude
area GM.
(5) Must possess a valid state motor vehicle operator license.
(6) Formal training (completion of MOS 21F course conducted
under auspices of U.S. Army Engineer School) mandatory, or
meet the civilian acquired skills criteria listed in AR 601-210.
MOS 21F had the alphanumeric designator of 62F prior
to fiscal year 2004.
The major duties, physical demands, physical profile, and
skill levels were obtained from Army Pamphlet 611-21.
MOS List for Corps of Engineers
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