The skydiving student and his instructor killed yesterday when they hit a shed adjacent to Marstons Mills Airport in Barnstable have been identified as Andrew Munson, 29, of Nantucket, and Eldon Burrier, 48, of Washington State.Cape and Islands District Attorney Michael O’Keefe and Barnstable Police Chief Paul McDonald said Munson and Burrier were attempting to land yesterday afternoon during a tandem jump from a plane flown by Sky Dive Barnstable.