The data showed that the PK 8303 did not drop the landing gear when attempting to land, causing the engine to be grinding down the runway leading to a loss of thrust.
The officials in charge of investigating the Airbus 320 aircraft carrying the PK 8303 number of Pakistan International Airlines (PIA), which made 97 killed in 22/5, were considering the possibility that aircraft engines were broken in the first failed landing down the Jinnah International Airport in Karachi, southern Pakistan on 22/5.
Preliminary evidence suggests that the Airbus 320 engine was relegated to the runway when the pilot Sajjad Gul sought to land in a non-drop landing condition. Traces on the runway show that the left engine was grinding on the ground when the plane was in the middle of the runway, followed by the right motor.
According to aviation experts, if the pilot finds the engine in the runway, he must shut down and let the aircraft slip and stop. Instead, the air-Gul was accelerated, for the aircraft to take off again to perform the second landing.
Flight altitude and witness data indicate that the aircraft had rocketed immediately after touching the ground. A video by a witness on the ground back shows that when the plane was soaring, black scratches could clearly see along the underside of both engines.
The air traffic control asked the pilot to fly to a height of 914 meters, according to the sound recording, but the aircraft was unable to maintain this altitude. Meanwhile, the pilot told the Controller not to save that “we lost the engine” and then broadcast the emergency signal. The Airbus 320 wished for a break, and the pilot seemed to try to regain altitude but was not successful.
The Video from the security camera on a homestay shows that the plane had woed up and wished tail down, seemed to be surfing without the engine. The landing seemed to have been released when planes approached the airport two times.
The aircraft carrying 99 people dropped to a residential area near Jinnah Airport, with only two passengers survived, and many on the ground were injured.
PIA, the national airline of Pakistan, has had many financial problems this year. From 2006 to now, the airline lost three aircraft in aviation accidents.
Arshad Malik, executive director of PIA, refused to comment on the cause of the accident until a comprehensive investigation was scheduled to be published within three months.
The black box that writes the flight itinerary of the aircraft is found right after the accident, but the black box recording cockpit has not yet been found. Airbus and the CFM motor manufacturer are expected to provide technical support for the investigation.
“This is a completely liberal and fair investigation”, Ghulam Sarwar Khan, an officer in charge of Pakistan Aviation, said 23/5. “The relevant people will be responsible.”
However, Imran Narejo, a member of the Pakistan Aviation Association Pilots Association, criticized the decision to announce this information of the investigating committee, claiming that an immediate blame for the pilot caused the accident was inappropriate. “Dead people don’t know the explanation,” Narejo said.
The investigating committee will examine the aircraft’s technical features, one of the world’s most used seaplane models, as well as to consider the possibility that the decisions made by the aircraft seem to have contributed to the accident.
The investigator will also verify that the pilot has fasted to 10 hours before the accident, as the Muslims are in the fasting month of Ramadan. PIA prohibits fast pilots with a flight schedule to ensure health, because low blood sugar can affect pilots ‘ ability to handle the situation.
One-half hour flight seemed to have no trouble coming near the Jinnah International Airport in Karachi before 14h30. The investigator will also consider why the pilot would approach the runway at an unusual pace and slope.
In the recording between the air-traffic control and the pilot, the controller repeatedly expressed concern about the aircraft trajectory, but the pilot responded feeling “comfortable”. When the aircraft was also 8 km from the runway, it was about 1,200 meters above the ground, higher than the required altitude.
J.F. Joseph, head of the Joseph aviation consulting firm based in Texas, USA, was confusing when the pilot still sought to land the first time, although the aircraft had not yet lowered to the required altitude.
“What urgency motivated pilots to ignore the necessary processes?” Joseph asked questions.
The pilot continued to control the landing aircraft, seemingly unaware of the aircraft’s landing gear not being released, presumably due to its concern when dealing with the slope, in response to investigating officials. The aircraft was equipped with an alarm system to warn pilots about the landing unreleased when the aircraft was down close to the ground.
Investigators also consider why tracking air traffic is unsaved, the part of the flight track from the top of the flight on the radar, handed back to the staff in the tower not saved at the airport, who should be able to identify with the naked eye the landing gear of the aircraft to be released.
The issue occurs several days when Pakistan reconnects commercial flights, after the downtime is stopped because of a restriction order to prevent Covid-19. It was the worst aviation accident in Pakistan since 2012, when Bhoja Air’s Boeing 737 crashed in Islamabad, prompting 127 to be killed.
Hong Hanh (According to Wsj)