A model based on the ANN is made for R&DC estimating of modem military aircraft,and achieved by momentum adaptive and L-M algorithm s Bp net,whose features are analyzed and compared with.

Based on the introducing of maintenance system,the evolution course of that for military aircraft in the world are summarized,the deficiencies of three-level maintenance and the advantage of two-level maintenance are analyzed.

This article expatiates on the signification d maintenance system,ana- lyzes the principles of establishing military aircraft maintenance system.

Research on vulnerability of military aircraft critical components in overlap and secondary kill mode;

Research on the critical degree of vulnerability critical components of military aircraft;

Calculation method for military aircraft s turnaround time;

This article considers the characteristic of the military airfield construct item,build a evaluate model of pavement applicability based on fuzzy synthesis evaluation.

This paper points out the irrationality of the current military airfield runway and its shoulder s width, combining with the reality of the development of airplane, taking into consideration the actual requirements for use, regarding the relationships between airfield construction and local economic development as the starting point.

Aiming at understanding of impact of aircraft noise on airfield staff member, the aircraft noise testing and staff member annoyance questionnaire investigation were carried out in four military airfields.

Operational availability demonstration of military airplane based on simulation;