The National Physical Planning Council (NPPC) has merely approved in principle the Kulim International Airport (KXP) development project, Transport Minister Wee Ka Siong said today.

He said the approval-in-principle, given on Oct 27, was subject to further consideration by the Transport Ministry (MOT) and other government agencies including the Finance Ministry, Home Ministry, Department of Environment, the Royal Malaysian Air Force and Civil Aviation Authority of Malaysia (CAAM).