They Were In Grave Danger No One Noticed Till It Was Too Late | Lufthansa Cargo Flight 527

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How overworked people cause deadly accidents
How flying too fast sent this plane into a mountain. / How a tiny distraction crashed this plane/ They were in danger no one paid attention
This is the story of Lufthansa Flight 527. On the 26 of july 1979,a lufthansa cargo 707 was in rio dijanero brazil prepping for a flight to dakar, senegal. The 707 was was manned by 3 pilots and they were fresh and ready for the atlantic crossing that was to come. At 9:05 pm local time the plane taxied to runway 27. As they taxied they changed over to the tower frequency. The controller instructed them to climb to 2000 feet and to perform a right hand turn towards the caxias VOR after take off. At 9:27 pm the 707 took off. The pilots got in touch with departure and said. “ we are passing 1500 feet inbound to caxias”. The controller acknowledged and said “ “Turn right, heading 040, turning right, heading 040 and maintain 2 thousand feet until further advice, LH 527, and increase your speed, if feasible”.

Flight 527 obliged on the radar scope the controller could see the plane turning to comply with the controllers requests. At that point the plane was just 2.5 Nm to the northwest of the airport. Over the next few seconds the pilots progressively increased the speed of the 707 till it was at 304 knots. By the time they had sped up the plane was 10 nautical miles away.

Now ATC wanted flight 527 to turn to 160 degrees and they wanted flight 527 to climb faster, at a rate of 3000 feet per minute. In the dark skies over Brazil the 707 now began to climb and turn but a sense of normalcy in the cockpit was shattered by a ground proximity warning system.
The plane was telling them that they were headed right for terrain. This prompted an immediate reaction from the crew, they commanded max power from the engines, they pulled back in an attempt to avoid hitting terrain. But despite their fast reactions they were not fast enough. The underside of the left wing contacted the ground as it was climbing away. The crash site was 13 nautical miles from the airport in a place known as the serra dos macacos. None of the three crew members on board made it.

The plane had crashed into a mountain that was heavily forested and the trees there bore stood there as silent witnesses to what had happened. The cuts made on the trees showed how the plane came in. Each tree showed a progression in damage as the left wing cut into them. The main wreck of the plane was about 800 meters or 2600 feet away.

Studying the wreck they could find nothing wrong with the plane itself. It was airworthy and properly configured for this flight. They also looked to see if the cargo had been loaded properly. Improperly loaded cargo or cargo shifting midflight can cause major problems as far as controllability of the plane is concerned. But in the case of flight 527 they found nothing to show cargo related issues.

then they decided to look at air traffic control itself to see if they had made any mistakes. The investigators found that the departure pattern from runway 27 galeo was quite complex.

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