But as industry problems worsened, other airline workers found ways to moonlight.
But he said he did not think the case would encourage attacks on airline workers.
More than 25,000 airline workers have lost their jobs.
He then tried to bring the airline workers and other transport employees into the union, with limited success.
With a much smaller income, the laid-off airline workers had to reduce their spending.
She is one of the many airline workers who have lost their jobs since the attacks.
Most of those interviewed also said they could understand the strains on both passengers and airline workers.
The union's more than 700,000 members include phone workers, journalists and airline workers.
One customer with a question was quickly surrounded by three airline workers, eager to help.
Threats of industrial action by airline workers, anger over police on the beat.