dlloyd
Member
Why was the color of the bearing pointers and source changed from yellow and orange to both being blue? It was simple to match Nav 1 or Nav 2 with the pointer, now not so.
The short answer is certification. Almost all of the FAA's suggestions (and a few requirements) made the product better, but this is one that addressed a concern (yellow and orange hues should be used for abnormal or other well-defined situations) that had a bit of an associated drawback.