Dancing is a bad idea even on the ground, said Veda Shook, president of the Association of Flight Attendants.

CNN: Harlem shake reaches new heights; FAA not amused

The NTSB on Monday interviewed the three flight attendants who were on the plane, a spokesman for the Association of Flight Attendants said.

CNN: Report: Stray jet's pilots were on laptops

But strong opposition by two flight attendants unions, the Association of Flight Attendants and the Association of Professional Flight Attendants, has inspired most stakeholders to take another look.

FORBES: Airline Industry Discord Emerges Over TSA Knife Policy

The DOT overruled the Association of Flight Attendants' complaint.

CNN: ValuJet back in the air at last - Sept. 26, 1996

"That part is being completely ignored and really leaving us completely vulnerable to any sort of violent intruder in the cabin of the aircraft, " said Patricia Friend of the Association of Flight Attendants.

CNN: Airports inconsistent on security, officials say

Last week, members of the Association of Flight Attendants handed out leaflets at large airports around the country, asking for the public's help in trying to convince Homeland Security and the TSA to change their minds.

CNN: Letting knives on planes would be insane

The Transport Workers Union and the Association of Professional Flight Attendants were engaged in similar processes.

FORBES: How Labor Made US Airways, AMR Merger Happen