International Journal of Neutrosophic Science IJNS 2690-6805 2692-6148 10.54216/IJNS https://www.americaspg.com/journals/show/1395 2020 2020 Assessment of Structural Cracks in Aircraft Using a Decision-Making Approach Based on Enhanced Entropy and Single-Valued Neutrosophic Sets American University in the Emirates, Dubai, United Arab Emirates Nahia Mourad Structural health monitoring (SHM) tries to determine the status of substances, elements, and the life expectancy of any aircraft building. It also serves as a vital tool for ensuring the structural integrity and safety of the aircraft. This research used a neutrosophic-Entropy model to assess the structural cracks in the reinforced concrete aircraft to evaluate its structural performance. For example, Entropy may be used in the civil engineering profession to pick subcontractors, manage traffic, and monitor the structural integrity of a structure, among other things. SHM in reinforced concrete aircraft buildings is examined in this research using the suggested technology. Expert groups were consulted to help determine the level of significance among the parameters used to monitor the aircraft's structural integrity. To further understand the structures' actual improvement, the Entropy approach given here would be quite beneficial. Also, we presented some neutrosophic multiplications. Neutrosophic multiplication module (NMM)  (a.k.a. ) (commulative group (A))has produced some surprising new findings, which we explore in this article. As a bonus, we'll shed some light on a few related topics to the NMM itself. Since the Neutrosophic Jacobson radical of the A multiplication modules is a Neutrosophic small submodule of , then  must be a Neutrosophic cyclic module, as we demonstrate. Last but not least, we prove that E (Universal) is a NMM only if and only when it's Neutrosophic divided modules more than a Neutrosophic integral domain. 2022 2022 49 57 10.54216/IJNS.190404 https://www.americaspg.com/articleinfo/21/show/1395