Process model for risk assessment of aircraft testing

The article presents a process model for risk assessment in individual processes of aircraft testing. Proper execution of tests affects the maintenance of safety principles during aircraft operation and the optimization of time, methods, human resources, and infrastructure. The use of such a model ensures effective and efficient implementation of tests, reduces the number of errors, and prevents the occurrence of threats through the implementation of planned actions.INTRODUCTION
The admission of aircraft (AC) to operation is possible after conducting tests and verifying the intended scope of use for compliance with aircraft construction regulations, tactical-technical assumptions (TTA), and technical conditions (TC). Aircraft test programs contain substantive and organizational assumptions regarding the implementation of both ground and flight tests. Ground tests include the following stages [4, 5, 8], among others:
• verification of aircraft documentation, • verification of aircraft completeness and support equipment, • verification of aircraft geometric data and control adjustment data, • weighing and determining the center of gravity, • testing of installations and equipment, • reliability verification, • verification of maintainability of assemblies and systems (installations).
After the test flight is performed, tests are conducted, including:
• stability and controllability as well as taxiing conditions, • performance, • flight characteristics:
• special (e.g., vibration and buffeting, aircraft strength), (…)

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