JOTP-011
5 December 2014
APPENDIX H. NON-SEQUENTIAL TESTS/ASSESSMENTS
ANNEX 3. OPERATIONAL AND MAINTENANCE (HUMAN FACTORS ENGINEERING)
Operational tests assess the safety of operational and maintenance procedures and equipment
during field handling exercises. Human factors engineers (HFE's) shall be involved in the
planning, conduct, and evaluation of the following tests.
H.3-1 OPERATIONAL AND MAINTENANCE SIMULATION.
Soldiers using inert munitions and non-maintenance support items perform tactical transportation,
system handling, and firing operations tests under simulated battlefield conditions. Human factors
engineering tests during simulated firing missions include setup, built-in test equipment (BITE)
checks, munition loading, and simulated firings. The operators perform target acquisition and
tracking tests to determine any operational limits. Training exercises are performed with the
complete training package. The operator manuals are reviewed and followed during the above.
Operators wear temperate weather and arctic clothing and nuclear, biological, chemical (NBC)
masks and clothing. The tester will consider performing a low-temperature (cold room)
operational test to assess the soldier's ability to operate the weapon with protective gear. Live
munitions may be used once enough testing has been completed to satisfy the safety authorities
that the system is safe for use. Review and exercise the system support package (SSP). Assess
the safety of preventive and corrective maintenance operations up to depot level. Simulated system
faults may be used to exercise test sets and other test, measurement, and diagnostic equipment.
Use maintenance manuals for these exercises and evaluate them in terms of safety.
H.3-1.1 Musculoskeletal Trauma.
Currently a number of rounds require humans to lift and carry them. Many of them are not only
heavy but because of their weight and asymmetrical shape, require multiple lifters to safely lift
and carry the rounds. The potential musculoskeletal health hazard associated with some of these
munitions is trauma from forceful exertions and non-neutral postures encountered while lifting,
lowering, and carrying various munitions. These forceful exertions and non-neutral postures can
lead to a variety of musculoskeletal injuries resulting in a range of outcomes from performance
decrement to permanent disability.
H.3-2 HUMAN ERROR CHECKLIST.
Develop a checklist of "Common Sources of Human Error" to categorize human errors that occur
during operational tests and to suggest potentially hazardous human errors that apply to the system.
Develop additional safety checklists to address electrical, mechanical, and miscellaneous safety
items. Information for developing this checklist is available in MIL-STD-1472.
H.3-1
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