India, Oct. 6 -- An Air India flight going from Punjab's Amritsar to England's Birmingham encountered a serious mid-air scare on Saturday as the aircraft - a Boeing 787 - saw unexpected deployment of its Ram Air Turbine (RAT) during landing.

The incident, which revived haunting memories of the June 12 Air India crash, prompted the pilots' union to flag the need for detailed check of the aircraft's electrical system.

The RAT or Ram Air Turbine is a small propeller-like device, designed to automatically deploy only in extreme emergencies such as a dual engine failure or total power loss.

Its unexpected deployment is rare and usually signals a technical fault.

The RAT was also deployed in the June 12 plane crash in which an Air India air...