Another thread quotes Fox 5 in NY interview with a Kenneth Brown on a boat in Jamaica Bay.
Eyewitness who helped recover the tail.
He said there was an explosion on the left side of the airplane which tore the wing off.
Wing hits tail and tears it off intact.
Plane, in 6 seconds goes belly up into Rockaway, with other engine still turning.
I'm leaning more bomb than either sabotage or cat. engine failure.