21.  United officials have said that any delay in the early certification could force the airline to change its planned routes to Europe to longer, more indirect ones.

22.  United officials might prefer a rival bid to such an investigation.

23.  United officials say that ticket prices are at normal levels after the debilitating fare war.

24.  United officials say they did review the ordinance and found it flawed.

25.  United Technologies officials in Beijing said the Chinese canceled a recent procurement trip.

26.  United Technologies officials were equally bullish about the discussions.

27.  And, at one stage, United officials were considering withdrawing from the tournament in Brazil, which would allow Bayern Munich to represent Europe.

28.  But Morelia revised the terms of the loan before the MLS season began last month, adding a provision that was unacceptable to United officials.

29.  But United officials made it clear they would appeal the ruling and seek to block the injunction.

30.  The cause of the engine trouble was still under investigation, United officials said.