1.   A dispute over the shareholding of a merged company which would have dominated the European aviation scene proved the main stumbling block.

2.   Although the vote is considered too close to call, Republicans have successfully buttressed their arguments by favorably comparing their bill to the European aviation security system.

3.   DeLay has said that any bill passed should mirror European aviation security, a system that uses a mix of private and government workers.

4.   European aviation authorities have made plans to require a similar system in the next few years.

5.   Even though regulatory barriers are down, it will take several more years before the face of European aviation truly changes, experts say.

6.   In both cases, pilots are protesting measures by their airlines to cut costs and render them more competitive as the final phase of European aviation deregulation kicks in.

7.   Overturning those agreements could have the effect of liberalizing European aviation and pave the way for consolidation, analysts said.

8.   Over the longer term, industry executives and analysts say, European aviation should change substantially as inefficient carriers either reform or are pushed out of the market.

9.   The capacitors are required on new planes by European aviation authorities, and the Federal Aviation Administration is considering the same rule in this country.

10.   The capacitors are required by European aviation authorities on new planes, and the Federal Aviation Administration is considering the same rule in this country.