1.   Airlines have separate insurance for the passengers and for the downed plane.

2.   Airlines will have to pick up the tab for new safety regulations.

3.   Budget companies have been so successful that other airlines have had to follow suit and lower their fares.

4.   The airline has plans for expansion into Asia.

5.   The airline has rigorous safety standards.

6.   Although the airlines are having a busy summer, the fare sales suggest that carriers are not selling as many seats as they would like for the fall.

7.   Altogether the airline has had five fatal crashes in five years.

8.   Also, brokers say, buyers should make sure the ticket has their name on it and the airline has a reservation in their name.

9.   Although other airlines also have time limits, American is the only major airline with an end-of-year deadline.

10.   Although the airlines have been struggling with slow demand, falling oil prices helped boost their slumping stock prices Friday.