air hazard

He has written extensively on the health effects arising from the September 11 attacks and the cover-up of Ground Zero air hazards in columns in the New York Daily News.

The pilot was, at that time, flying opposite Boston arrivals, and as Flight 11 began to pose an air hazard, air traffic controllers began to reroute arriving aircraft for adequate separation.

Again it was repeated, until the crew had run through General Quarters, Hull Breach, Power Failure, Air Hazard, Radiation Hazard, and so forth-all the general drills of a taut ship.