Construction for a 984ft (300m) runway extension at London Southend Airport began on September 11, 2011.
Due to be completed by the end of the year, the extension will give the airport a total runway length of 5,902ft (1,799m) with an extra 295ft (90m) starter strip.
The earthworks and stabilisation of the extension is being undertaken by civil engineering firm McArdle, contracted by Stobart Rail for £270,000 (US$418,400).
Construction of a new apron with five stands is also due to be completed by the end of the year. New customer airline easyJet will base three Airbus A319 aircraft at the airport when operations begin next April.
The £16m (US$24.8m) railway station linking the airport to Liverpool Street station, London, was also officially opened on September 21 but UK Minister for Transport Theresa Villiers.