Answer:
category and class
Explanation:
According to my research on pilot in command requirements, I can say that based on the information provided within the question the pilot must have made three takeoffs and three landings within the preceding 90 days in an aircraft of the same category and class. This is because each aircraft has an enormous amount of features in which they are all different, therefore the pilot needs to have sufficient experience in that specific aircraft before taking passengers.
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Accessibility could influence your career or study choice greatly. Accessibility means that you have something accessible to you, that you can use it. If you don't have the means, or the access to a career or study choice, it will be really difficult for you to actually take part in them. Although you can fight to achieve your goals, ultimately accessiblility, or the lack of it, may prevail so that you don't get that job or don't enroll in a college you want to.
The answer is effort justification. It is an idea as well as paradigm in the social psychology in which people who have reach the goal yet discover that it was not worth it. It is from the cognitive dissonance theory of Leon Festinger.