The council organized a special committee to conduct a hearing, similar to a trial, to give the Parsippany office a chance to argue its case.
The commission, whose report is due early next year, had held similar hearings in Albany and Buffalo.
Normally, council members say, senior fire officers appear with little commotion at similar hearings.
The House Judiciary Committee held a similar hearing two months ago.
Bird are believed to have similar hearing to humans with studies showing birds do not hear on an ultrasonic level.
"In the matter of DoubleClick, we first brought the committee's attention to this problem at a similar hearing a year ago," he told the committee.
A similar hearing was held to determine whether he should face court- martial.
The judge is to hold a similar hearing this morning for five 15-year-old defendants, whose cases require different legal standards.
A similar hearing is scheduled for the pilot and navigator next month.
The hearing, similar to a grand jury proceeding, would have explored whether there was enough evidence to try him at a court-martial.
