Due to copyright restrictions, the access to the full text of this article is only available via subscription.The ARINC 653 specification not only provides a standard application programming interface for an RTOS, but also specifies how to validate an ARINC 653 based RTOS. ARINC 653 Part 3 Conformity Test Specification specifies test procedures for validation of ARINC 653 Part 1 (Required Services Specification). Existing ARINC 653 verification suites and packs do not provide platform-independency, maintainability gained by an open source framework, a reliable communication protocol, and automated testing principles at the same time. This paper introduces a brand new validation suite, GVT-A653 which is platform-independent and ensures confo...