How long should the flight data recorder be tested for?

• A. 3 seconds
• B. 5 seconds
• C. 10 seconds
• D. 15 seconds

Answer: (B)

The flight data recorder should be tested for a duration of 5 seconds. This duration is crucial because it allows for a sufficient window to capture and log data accurately during the testing phase. During this brief period, the recorder can verify its functionality by registering various parameters and ensuring that it can withstand operational conditions without data loss. The 5-second benchmark reflects industry standards that ensure that the recorder can reliably function in an actual flight scenario, thus providing confidence in its performance during critical situations.