Question

Attitude and heading reference systems and air data computers have replaced __________

(a) Nautical flight instruments

(b) Hydraulic flight instruments

(c) Thermal flight instruments

(d) Gyroscopic flight instruments

This question was posed to me in unit test.

I want to ask this question from Glass Cockpit in division Cockpit Overview of Aircraft Maintenance

Answer 1

Right choice is (d) Gyroscopic flight instruments

The explanation is: Attitude and heading reference systems and air data computers have replaced the traditional gyroscopic flight instruments.  These systems improve reliability and maintenance cost.