London City airport has submitted to local authorities an expansion plan under which it would double both throughput and flight movements over the next decade.
Annual passenger numbers would rise to six million and movements to 120,000.
The £200 million ($320 million) plan would involve building new parking stands to the east of the terminal, a new parallel taxi lane to increase runway capacity 25% and an extension of the terminal building.
The airport says expansion is required to handle new aircraft such as the Bombardier CSeries, due to be operated at London City from 2016.
Scrutiny of the airport's proposals is being undertaken by Newham Borough Council.