Question

1. when a control tower, located on an airport within class d airspace, ceases operation for the day, what happens to the airspace designation?

oa. the airspace designation normally will not change.
ob. the airspace remains class d airspace as long as a weather observer or automated weather system is available.
oc. the airspace reverts to class e or a combination of class e and g airspace during the hours the tower is not in operation.

1. according to 14 cfr part 107, the responsibility to inspect the small uas to ensure it is in a safe operating condition rests with the

oa. remote pilot-in-command.
ob. visual observer.
oc. owner of the small uas.

Explanation:

For question 54:

• Class D airspace is associated with a control tower. When the tower stops operating, the airspace usually changes. Class E or a combination of Class E and G airspace is the default in the absence of an operating control tower.

For question 55:

• According to 14 CFR part 107, the remote pilot - in - command is responsible for ensuring the small UAS is in a safe operating condition.

Answer:

1. C. The airspace reverts to Class E or a combination of Class E and G airspace during the hours the tower is not in operation.
2. A. remote pilot - in - command.