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APPENDIX I ABBREVIATIONS, ACCRONYMS, AND GLOSSARY OF TERMS - 14292_283
APPENDIX I ABBREVIATIONS, ACCRONYMS, AND GLOSSARY OF TERMS - 14292_285

Aviation Maintenance Administration Basic - Aviation theories and other practices
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thermal properties, or dimensions without causing a change in any of these characteristics. NEC—Navy Enlisted Classification. NEW PRODUCTION AIRCRAFT—Aircraft with- out regard to model or configuration that are in the first year of operational use by the fleet or training commands and not deployed aboard ships or overseas. NIIN—National Item Identification Number—A two-digit National Codification Bureau code combined with seven other digits. NINC—Not Incorporated. NIS—Not In Stock. NITRAS—Navy Integrated Training Resources and Administration System—An automated system responsive to training information requirements from higher commands, provides automated capability to manage and support the training effort throughout the Navy. NLT—Not Later Than. NMC—Not Mission Capable—Material condition of an aircraft that is not capable of performing any of its missions. NMC is subdivided into NMCM and NMCS. NMC Hours = EIS Hours - MC Hours. NMCM—Not Mission Capable Maintenance—The material condition of an aircraft that is not capable of performing any of its missions because of maintenance requirements. NMCM time starts when the condition is discovered except when the discovery is made in flight in which case NMCM time starts at the termination of flight. NMCM stops when maintenance is completed or interrupted by a supply shortage. Work stoppage resulting from parts nonavailability is reported as NMCS. NMCM time resumes when required supply item(s) are delivered to the maintenance activity. NMCM is further defined as NMCM scheduled (S) and NMCM unscheduled (U). NMCM Hours = NMC Hours - NMCS Hours. NMCMS—Not Mission Capable Maintenance Scheduled—The sum of equipment maintenance hours. documented for scheduled engine inspections, special inspections, phase inspections, and conditional inspections. An aircraft will be considered NMCMS if panels and equipment removed to conduct area inspections cannot be replaced within 2 hours or if the aircraft has been utilized to the maximum allowable operating limit prior to the scheduled maintenance requirement; for example, +10 percent, +3 days. NMCMS = Hours NMCM Hours - NMCMU Hours. NMCMU—Not Mission Capable Maintenance Un- scheduled. NMCS—Not Mission Capable Supply—The material condition of an aircraft that is not capable of performing any of its missions because maintenance required to correct the discrepancy cannot continue due to a supply shortage. NMCS time starts when a supply demand has been made for (an) item(s) required to continue maintenance. NMCS time stops at the time the material is delivered to the designated delivery point or change of EOC Code. NMCS Hours = NMC Hours - NMCM Hours. NOAP—Navy Oil Analysis Program. NONOPERATING AIRCRAFT—Any aircraft, for the purpose of flight operations, not currently filling an authorized allowance in an organizational unit. NOTICES—Directives of a onetime nature or those applicable for a brief period of time. Each notice contains provisions for its own cancellation. Notices employ a subject classification numbering system and are part of the Navy directive system. NSN—National Stock Number. O-LEVEL (Organizational-Level) MAINTE- NANCE—Maintenance which is the responsibility of, and is performed by, a using organization on its assigned equipment. Its phases normally consist of inspecting, servicing, lubricating, adjusting, and replacing parts, minor assemblies, and subassemblies. O&MN—Operations and Maintenance, Navy. OFF-EQUIPMENT WORK—For the purpose of MDR, it includes all maintenance actions performed on removed, repairable components, usually at the IMA. OINC—Officer In Charge. OJT —On-The-Job Training-Training at the squad- ron or other local activity level in the performance of a task or duty during operational or maintenance situations. OMA—Organizational Maintenance Activity. OMD—Operations Maintenance Division. AI-18







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