11.   The airline was grounded weeks later.

12.   The FAA grounded the airline a month after the crash, citing safety deficiencies.

13.   The FAA grounded the airline after the crash, citing safety deficiencies.

14.   The FAA has grounded other airlines, but the proposed action would be the first time the agency has sanctioned an airline for problems associated with major maintenance.

15.   The Federal Aviation Agency grounded the airline after an investigation revealed safety flaws in its operations.

16.   The FAA grounded the airline a month later, after finding safety deficiencies at the discount carrier.

17.   The government grounded the airline in June following a review that found major safety flaws.

18.   They also believe small airlines often get grounded for offenses that would lead to a wrist-slapping fine at a big airline.

19.   Analysts have said a walkout would have grounded the airline and forced it into bankruptcy.

20.   Authorities grounded the airline in January.