The ILM Airport Authority began planning Wednesday night for long-term future growth of the airport.
According to ILM Finance Director Jim Morton, the group saw various expansion designs from an outside consulting firm.
Morton said the firm presented four different concepts for terminal expansion at the airport.
After the presentations, the group decided to look further into one of the designs.
Morton said no immediate expansion will begin anytime soon. This project is designed to take place over the next 20 to 30 years.
Morton said costs still need to be worked out as the project begins to develop.
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