Narrative:

On 5/90, the waterloo airport had a fly-in breakfast. The ATCT had an open house. During this open house as many as 30 people were in the tower cabin attendant at one time with just the 2 controllers working position and explaining the operation. Working the active traffic was impeded by the people the controllers had to look around.

Google
 

Original NASA ASRS Text

Title: TOO MANY VISTORS IN TWR CAB.

Narrative: ON 5/90, THE WATERLOO ARPT HAD A FLY-IN BREAKFAST. THE ATCT HAD AN OPEN HOUSE. DURING THIS OPEN HOUSE AS MANY AS 30 PEOPLE WERE IN THE TWR CAB AT ONE TIME WITH JUST THE 2 CTLRS WORKING POS AND EXPLAINING THE OPERATION. WORKING THE ACTIVE TFC WAS IMPEDED BY THE PEOPLE THE CTLRS HAD TO LOOK AROUND.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.