What does the flashing red CLU BIT failure indicator mean?

• A. The battery is low
• B. The gunner needs to release the triggers or there is a trigger malfunction
• C. The seeker is warming up
• D. The system is ready

Answer: (B)

A flashing red BIT indicator on the CLU signals a fault detected during the Built-In Test, specifically related to the firing/trigger circuitry. This indicator is telling you there’s a problem that must be addressed before firing. Releasing the triggers is part of the corrective action because some BIT faults are cleared or re-tested when the trigger is released, allowing the system to re-check for normal operation. If the indicator continues to flash after releasing, it indicates a trigger malfunction or another fault in the firing path that requires maintenance.

Battery issues would show a different alert, seeker warm-up is shown by a different status indication, and system ready would be green or steady, not flashing red.