Air India Flight To Vienna Faces Stall, Dont Sink Warnings Days After Ahmedabad Crash; Pilots Grounded, Says Report
Solely 38 hours after the lethal Air India flight AI 171 crash at Ahmedabad, which had killed greater than 260 individuals on June 12, one other Air India long-range flight, AI 187 to Vienna, suffered a critical in-flight incident. The Boeing 777 allegedly prompted extreme “stick shaker” and “do not sink” alerts from its Floor Proximity Warning System (GPWS), shedding some 900 toes of altitude whereas climbing out of Delhi.
Regardless of the alarming warnings, pilots managed to stabilise the flight and land safely to Vienna, a Occasions of India report revealed. An intensive probe into the incident has been initiated by the Directorate Basic of Civil Aviation (DGCA). Air India’s security chief has been referred to as in and each pilots have been taken off flying duties till the conclusion of the probe.
Warnings Throughout Climb Amid Stormy Climate
Flight AI 187 (VT-ALJ) took off from Delhi at 2:56 am on June 14, below stormy climate situations within the capital. Sources concerned within the case reported that “Quickly after takeoff, stick shaker warning and GPWS do not sink warning appeared. Stall warning got here as soon as and GPWS warning got here twice. There was an altitude lack of about 900 toes throughout climb.”
The “stick shaker” system is meant to warn pilots with a right away tactile and auditory warning of the strategy of an aerodynamic stall, requiring the pilot to right away take corrective motion. The “do not sink” GPWS warning alerts towards undesirable lack of altitude following takeoff. The well timed response of the crew permitted them to stabilize the airplane and proceed with the flight, which took 9 hours and eight minutes. The airplane subsequently made a scheduled technical cease in Europe earlier than continuing to Toronto with a brand new crew owing to continued airspace restrictions.
Considerably, Delhi-Vienna’s post-flight report had quoted solely “stick shaker on account of turbulence after takeoff,” with out specifying the opposite crucial warnings. A more in-depth scrutiny of the flight information recorder (DFDR), most likely below elevated monitoring within the wake of the latest crash, revealed the “do not sink” GPWS warning and a stall warning that had not been documented earlier than.
The AI 171 Ahmedabad Tragedy
This accident with AI 187 follows inside days of the disastrous Air India Flight AI 171 crash. The Boeing 787-8 Dreamliner, flying from Ahmedabad to London Gatwick, had crashed simply minutes after takeoff on June 12, killing 241 of the 242 passengers and crew on board, together with a number of floor fatalities. It’s the first deadly crash of a Boeing 787-8 Dreamliner on this planet.
India’s Plane Accident Investigation Bureau (AAIB), the highest company for investigating aviation crashes within the nation, is spearheading the investigation of the Ahmedabad crash. The cockpit voice recorder (CVR) and flight information recorder (FDR), additionally popularly known as black packing containers, have been retrieved from the crash web site and despatched to Delhi for rigorous evaluation.
The federal government has formally acknowledged that the info of the black packing containers are already being analysed, as investigators painstakingly try to recreate the ultimate moments of the airplane so as to decide the precise reason behind the June 12 catastrophe. A number of potentialities, resembling sudden engine failure, energy malfunction, system defects, or pilot mistake, are being scrutinised with excessive depth. Aviation professionals state that solely thorough examination of the black field info will give clear solutions. The back-to-back occurrences have introduced Air India below larger regulatory and public scrutiny for its security procedures throughout operation.
