The US FAA has issued additional stop work orders to construction and technology contractors working on projects across the country after US Congress failed to pass a funding extension for the agency.
It told contractors to stop work yesterday on the projects, which include air traffic control tower modernisations and runway safety initiatives.
"I am making a simple and straightforward request to Congress: pass a clean FAA bill and immediately put thousands of FAA employees, construction workers, planners and engineers across America to work. In these tough economic times, we can ill afford to lay off hard-working Americans whose families depend on them," said Transportation Secretary Ray LaHood.
Almost 4,000 FAA personnel were furloughed on 23 July following the deadlock in the US Congress, which has adjourned for a week.
The FAA has been running on funding extensions passed by Congress since 2007, when the previous multi-year reauthorisation to fund the agency expired. Since then, Congress has been haggling over passing a new long-term reauthorisation bill.