INTERMEDIATE LEVEL

Can you describe a situation where you had to handle an unexpected issue during the design or development of an avionics system?

Sample answer to the question

During the development of an avionics system for a new aircraft, we encountered an unexpected issue with the communication between the flight-control system and the navigation system. This issue caused navigation data to intermittently fail, which was a major safety concern. To address this, I immediately started investigating the problem by analyzing the system logs and conducting extensive testing. After several days of troubleshooting, I discovered that the issue was caused by a software glitch in the flight-control system. I collaborated with the software development team to fix the glitch and performed rigorous testing to ensure the issue was resolved. This experience taught me the importance of thorough testing and attention to detail in avionics design and development.

A more solid answer

During the development of an avionics system for a new commercial aircraft, we encountered an unexpected issue with the integration of the flight-control system and the navigation system. This issue resulted in intermittent communication failures, impacting the reliability and safety of the aircraft's navigation data. To address this, I immediately formed a cross-functional team consisting of avionics engineers, software developers, and system integrators. We conducted extensive analysis of the system logs and performed thorough testing to identify the root cause of the issue. After several weeks of collaborative troubleshooting, we discovered that the problem was caused by a software compatibility issue between the flight-control system and the navigation system. Working closely with the software development team, we developed a customized solution to resolve the issue and ensure seamless communication between the two systems. This experience highlighted the importance of effective communication, teamwork, and problem-solving skills in the avionics field, especially when dealing with unexpected challenges.

Why this is a more solid answer:

The solid answer expands on the basic answer by providing more specific details about the unexpected issue and the candidate's actions taken to resolve it. It also demonstrates the required skills and qualifications for the Avionics Engineer role, including strong analytical and problem-solving skills, knowledge of embedded systems and software development, and excellent communication and teamwork abilities. However, the answer could still benefit from further elaboration on the candidate's role and the specific steps taken to address the issue.

An exceptional answer

During the development of an avionics system for a new commercial aircraft, we encountered an unexpected issue related to the synchronization of the flight-control system and the navigation system. This issue manifested as intermittent errors in the aircraft's position data, compromising the accuracy and safety of the navigation system. Recognizing the critical nature of this issue, I took immediate action by coordinating with the avionics engineering team, software developers, and system integrators to investigate the root cause. We initiated a detailed analysis of the system architecture, examining the interface protocols, data transfer rates, and software compatibility. Through meticulous testing and simulation, we identified a timing discrepancy between the flight-control and navigation systems, which caused data corruption during high-stress flight conditions. To address this, I collaborated closely with the software development team to implement a real-time synchronization mechanism that accounted for the timing variations. This involved modifying the embedded software and conducting extensive validation to ensure seamless communication and accurate positioning data. Additionally, I coordinated with regulatory authorities to obtain the necessary approvals for the modified avionics system. Our diligent efforts and collaboration resulted in the successful resolution of the issue and the implementation of a reliable avionics system. This experience reinforced the importance of attention to detail, strong analytical skills, knowledge of embedded systems, and effective teamwork in avionics engineering.

Why this is an exceptional answer:

The exceptional answer provides even more specific details and demonstrates exceptional skills and qualifications for the Avionics Engineer role. The candidate describes a complex issue related to the synchronization of the flight-control system and the navigation system and highlights their proactive approach in coordinating with various teams and conducting thorough analysis and testing. The answer also showcases the candidate's in-depth knowledge of embedded systems and software development. Furthermore, the candidate emphasizes their ability to navigate regulatory requirements and obtain necessary approvals. Overall, the exceptional answer demonstrates a high level of expertise and proficiency in handling unexpected issues in avionics design and development.

How to prepare for this question

Familiarize yourself with the avionics development process and industry standards, such as FAA and EASA regulations.
Gain experience in troubleshooting and debugging electronic systems, particularly in the aviation field.
Develop strong analytical and problem-solving skills, as unexpected issues are common in avionics design and development.
Improve your knowledge of embedded systems and software development, as these are the key areas in avionics engineering.
Enhance your communication and teamwork abilities, as collaboration with cross-functional teams is essential in handling unexpected issues.

What interviewers are evaluating

Analytical and problem-solving skills
Attention to detail
Knowledge of embedded systems and software development
Excellent communication and teamwork abilities