Question

Which of the following is the most frequently conducted check on an aircraft?

(a) Category C-Check

(b) Category A-Check

(c) Category B-Check

(d) Category D-Check

This question was posed to me in an online interview.

The doubt is from Overview of an Aircraft-1 in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer 1

Correct option is (b) Category A-Check

To elaborate: Category A-check is performed approximately every 500 – 800 flight hours. The check needs about 20 man hours and is usually performed overnight at an airport gate. All other category checks are more extensive.