Standard [CURRENT]
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The spare part modification according to this document is applicable to aircraft and aircraft systems in the legacy procedure for minor changes to spare parts (ET) or the replacement of equipment with commercially available substitute products. The document refers exclusively to aircraft, aircraft systems and their accessory equipment. For aircraft, engines and propellers in the standard procedure, the DEMAR (Deutsche Military Airworthiness Requirements) specifications shall be implemented. Working Committee NA 140-00-22 AA "Technische Dokumente und Maschinenelemente (NABw TD/Ma)" ("Technical documentation and machine elements (NABw TD/Ma)") at DIN Standards Committee Electrical Engineering (NE) is responsible for this document.