Heard at Lawrence, Massachusetts:

Tower: "Arrow Eight Two Xray, slowest possible speed. Traffic ahead is an ultralight on a half-mile final."

Ultralight: "Tower, we'll climb out so he can land."

Tower: "Roger, climb and maintain 1700, runway heading. Arrow Eight Two Xray, cleared to land, caution, mowing in progress, right side of runwav."

Arrow: "Roger, duck under the lawn mower ahead and avoid the one on the ground, cleared to land, Arrow Eight Two Xray."