Exit doors at the Winters Hotel were chained shut in the months leading up to a fire that killed two residents, a tenant testified Tuesday during an inquest into the deaths.

While the scenario of an emergency exit door being yanked open mid-flight is a major fear for nervous flyers, former pilot, Dan Bubb, from Las Vegas, has revealed exactly what happens when it occurs.

SKAMAN306/GETTY IMAGES If you open an emergency exit door while the plane is on the ground and unpressurized, it will open and the inflatable slide will deploy, Bubb says.

Dan Bubb, Ph.D., a former airline pilot and current aviation safety expert, explained that opening the emergency exit — which he noted is for evacuations — on the ground will cause the door to ...