Pilots, flight attendants and dispatchers have already approved concessions.
Several other unions have approved concessions, including the drivers, who voted on Sunday, increasing the significance of the guild vote.
Negotiations with those other unions went more smoothly, and all but one small group has approved concessions.
The airline reached a tentative agreement on concessions with its pilots last week, and the leaders of their union approved concessions last night that included pay cuts of 10percentt.
On Wednesday, Chrysler workers approved concessions, including work rule changes, that would result in lower pay and less generous benefits than in the 2007 contract.
But after the executive benefits were disclosed, the leaders at that union and at the ground workers' union -- which had also just narrowly approved concessions -- decided to vote again.
The union said its members had approved the concession package on a tally of 6,526 to 340.
Mr Singson admits that he has also acted as a collector for illegal syndicates, and says he decided to tell all only because Mr Estrada offered an approved gambling concession to someone else.
To lead it, and to bring in money and expertise, he had recruited an obscure Chinese tycoon named Wang Jing, and two days before the ceremony, the National Assembly had approved a concession that put a large swath of the country at Wang's disposal as a building site.
As arranged, Lippert sold these rights to the Company, whereupon Loch approved the concession, expressing contentment at the solving of the Company's land rights problem; in an internal Whitehall memorandum, the Colonial Office affably remarked how expediently that administrative obstacle had been removed.
