Did This Captain Lie About Causing A Near Fatal Crash? | TWA Flight 841

Mini Air Crash Investigation
Mini Air Crash Investigation
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Roland Arhelger

This is the story of TWA flight 841. On the 4th of april 1979, A TWA boeing 727 was on the ground at JFK international airport and it was headed to minneapolis st paul international airport in minnesota. The plane was delayed by about 45 minutes due to the traffic at JFK but at long last at 8:25 pm flight 841 took off with 82 passengers and 7 crew members on board.

The jet started its climb to its cruising altitude and within half an hour it was at 35,000 feet. Flight 841 found 35000 feet to be quite windy so they asked toronto control if other planes had reported any winds at either 31000 feet or 39000 feet. ATC said that those altitudes were clear and so the crew opted for 39000 feet. Once the  727 had reached 39000 feet the pilots put the plane into the altitude hold mode so that it would stay there. The crew then relaxed as the autopilot took care of most of the flying the captain was looking for a few charts in the cockpit when he felt a slight buzzing sensation, a slight vibration. The sensation didn't really go away and eventually it grew into a slight buffetting sensation. He looked up and saw that the autopilot was commanding a left turn but the plane was in a right turn. Since it was dark outside the only indication of the plane turning to the right was on their instruments. He immediately turned off the autopilot and commanded an aileron roll to the left. But the plane didnt respond; it was still in the right roll, with full left aileron doing nothing the captain applied full left rudder in an attempt to right the plane. But still the plane stayed in the right turn. The captain was concerned that the plane would roll inverted so he pulled back power on both engines and asked the first officer to extend the speed brakes. But the first officer was out of the loop at this point he wasn't really aware of what was happening as he had been calculating the plane's ground speed. So the captain extended the speed brakes himself. But the speed brakes did nothing. In the cockpit the pilots could see tiny lights from the towns below and their altimeter showed that they were descending fast. In a desperate attempt to pull the plane out of its harrowing dive the captain decided to extend the landing gear. The first officer extended the gear and the gears dropped. At this point the plane was rolling as it dived and the pilots were desperate for something anything to work.  The pilots heard a huge explosion as the gears dropped,but as the gears came out the captain eased up on the control column and the ailerons just a bit. The landing gear trick seemed to have worked. The airspeed of the jet came down and the captain was able to bring the plane to wings level. But their fight was far from over, just as they thought they were winning the plane started climbing. The nose was up 30-50 degrees. The captain could clearly see the moon and used the moon as a visual reference to maneuver the plane. He eventually got the plane back under control and once they had leveled off at 13000 feet the pilots saw that their “A” hydraulic system had failed.The hydraulic system is quite important as it's what moves all of the control surfaces on the plane. Think of it as the lifeblood of a plane. They also got a warning saying that the lower yaw damper had failed. That's an actuator that controls the rudder. With all these failures the captain decided to land the plane as soon as possible.  He decided to put the plane down at the metropolitan airport in detroit. As the crew worked through the emergency checklist. As the plane started its approach the crew extended the flaps using an alternate method but as soon as they did that the plane lurched to the left. So the captain retracted the flaps and decided to land without the flaps. But that wasn't all. In the cockpit two of the three landing gear indicators showed that they were in an unsafe state. This meant that there was a possibility that the gear wasnt down and landing without the landing gear out would be very dangerous. And so the captain made a pass over the airport so that people on the ground could see if the gear was down or not. It was and so the crew carefully brought the plane in and the 727 landed on runway 03 with no issues. Their harrowing flight was over and everyone onboard had survived. 7 crew members did suffer slight injuries though but they all recovered.
3 سال پیش در تاریخ 1400/10/09 منتشر شده است.
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