But aviation expert Miles O'Brien told CNN the circumstances point toward a possible loss of cabin pressure in the eight-seat, propeller-driven aircraft.

CNN: SHARE THIS

If you hang around long enough, a propeller-driven aircraft -- probably bringing holidaymakers from the Red Sea resort of Eilat -- will swoop in low for a landing, passing so close you may feel the urge to reach out and touch it.

BBC: Cycling the Tel Aviv coast

On propeller driven aircraft, balloon-like devices attached to the wings and tail are inflated and deflated with air from the engines, breaking up any ice accumulation.

CNN: Airplane deicing: The how and why

Despite its alien looks, the Black Widow is also driven by a simple front-mounted propeller.

ECONOMIST: A personal eye in the sky