Don’t Throw Away Those CRTs | Aviation International News

Don’t Throw Away Those CRTs

Thousands of CRT displays are still flying in older business aircraft and regional jets, and they can still be repaired.

By Matt Thurber • Editor-in-Chief

May 9, 2017

The glass-cockpit revolution has accelerated with the advent of reliable, long-lasting and high-resolution liquid-crystal displays (LCDs), but that revolution started when mechanical and electromechanical instruments were replaced with an earlier form of glass, the cathode-ray tube (CRT). Perhaps surprisingly, thousands of CRTs are still flying in airliners and business aircraft. However, CRTs aren’t nearly as long-lasting as LCDs, and they suffer from drawbacks that make them not as well suited to modern avionics display tasks.

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