International specification for developing and continuously improving preventive maintenance

The ASD S4000P is a joint European specification development, where both manufacturers and customers participate, so as to establish a methodology for the development of scheduled maintenance plans and in-service maintenance optimization (ISMO).

S4000P® is an in EU registered trademark owned by ASD – AeroSpace and Defence Industries Association of Europe (ASD-Europe;

S4000P is jointly produced by the following organizations, their members, and customers:

  • ASD – AeroSpace and Defence Industries Association of Europe (ASD-Europe;
  • AIA – Aerospace Industries Association of America (AIA-US;


Significance for HICO: Since its foundation in 1997, HICO has been developing efficient solutions in the context of technical communication. S1000D is an internationally recognized specification for the creation, management and publication of Structured Interactive Electronic Technical Documentation (IETD). With the HICO TEDD™-portfolio, HICO is the market-leading international provider of S1000D solutions. The HICO AMaX™-portfolio extends this portfolio for comprehensive after-market solutions and a full range of IETP-applications for the use of Interactive Electronic Technical Publications (IETP’s).