airline safety officials are investigating a pretty scare close call as planes j s jam thy this memorial day. the near-collision happened in air space over reagan national airport just outside washington, d.c., as the busy holiday weekend was just beginning. our brian todd is joining us from reagan national. what happened, brian? reporter: wolf, this happened not far from where i m standing. you know, this suite behind me, the tarmac at reagan national, the potomac river and points sweeping further north of here, this is an area where a lot of helicopter traffic mixes in with near-constant jet traffic. and recently they didn t mix so well. just how close did a regional passenger plane come to hitting a military helicopter in the skies over washington? listen to the plane s pilot on