A small airplane headed to Hanscom Field made an emergency landing Wednesday in a swampy area in Burlington, officials said. Two people were taken to Lahey Hospital and Medical Center to be examined. Multiple people reported a plane down in the woods off Middlesex Turnpike behind the Burlington water treatment plant at about 1:39 p.m., said Burlington Police Chief Michael Kent. The woman piloting the plane and a male passenger were not seriously injured. The single-engine Cirrus aircraft was equipped with an emergency parachute, which the pilot successfully deployed, said the Massachusetts Port Authority, which operates Hanscom Field in Bedford.Martin Finucane can be reached at email@example.com.