Flight tests of the F-35 Joint Strike Fighter have been resumed after corrections were made to the fuel system software.
On 1 October Lockheed Martin suspended flight tests of all three models of the F-35 fighter jet following discovery of a malfunction in the fuel system software.
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The software anomaly, which could cause a fuel boost pump to shut down in flight, had been discovered during normal ground testing.
The F-35 contains three fuel pumps that power Pratt & Whitney F135 engines.
The radar-evading F-35 is the Pentagon’s costliest acquisition, costing $382bn.
The US is jointly developing the F-35 with eight foreign partners, including the UK, Italy, the Netherlands, Turkey, Canada, Australia, Denmark and Norway.
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