The purpose of the passenger list maintained by the transportation security administration is

a. to keep people who are possible threats off airplanes.
b. to know why people are traveling anytime a flight is booked.
c. to make sure airplanes are not crowded or overbooked.
d. to list travelers who are able to fly without being searched.

The purpose of the passenger list maintained by the Transportation Security Administration is to keep people who are possible threats off airplanes.

The Transportation Security Administration is an agency of the United States Department of homeland security which function is to ensure the security of the traveling public in the United States. Its creations was as response to the September 11 attacks.