1. Airlines Douglas DC-7 Incident:

TWA Lockheed Super and United Airlines Douglas DC-7 collided with each other on June 30, 1956, split into the Grand Canyon. TWA Lockheed Super had 64 passengers with 6 crew members and Douglas DC-7 had 53 passengers with 5 crew members.

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Dead:

128

Reason:

Instrument Flight Rules (IFR) were controlled by both aircraft. The pilots of both of them changed the route already fixed because the airways were not directly controlled from the control room. According to the rules of the time, many points were fixed. These were fixed routes of different companies.

Change:

Air traffic control system has been improved by spending 250 million dollars at that time due to this accident.

Result:

After an improvement in the air traffic control system, there was no crash in the US for 47 Jahre. After this incident, the Federal Aviation Agency (now administration) had been started in 1958. It is the responsibility of Air Safety.

2. United Airlines Flight 173 Incident:

On December 28, 1978, United Airlines Flight 173 crashed in Portland, the suburban area of Oregon. This aircraft was about to land at Portland International Airport. In an attempt to an emergency landing, crashed in the southeastern part of Plain Airport but it did not fire. There were 185 passengers and 8 crew members on the plane.

schrecklichsten Flugzeugabstürze in der Welt
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Dead:

Deaths of 19 including 8 crew members.

Wounded:

21 passengers.

Reason:

Captain’s failure to monitor the aircraft’s fuel. With this, the oil was exhausted from both the engines. Due to stoppage of supply of the fuel, the landing gear got disturbed and the attempt of emergency landing failed.

Change:

• All cock members were given cockpit training.

• New cockpit resource management (CRM) was adopted.

• This technical training was made mandatory for other members of the aircraft.

Result:

Crew members succeeded in saving crash landing of DC-10 in Sioux City of Iowa in 1989, due to improvements.

3. Air Canada Flight 797 (McDonnell Douglas DC-9-32) Incident:

On June 2, 1983, a McDonnell Douglas DC-9-32 from Air Canada Flight 797 was going to Montreal from Texas. The crew member saw at an altitude of 33,00 feet that smoke was coming out from the toilets in the back of the plane. The Palat landed at Cincinnati Airport. Immediate emergency door and other gates were also opened, but people could get out of the plane, even before the explosion in the cabin from the fire. There were 46 people on the plane.

schrecklichsten Flugzeugabstürze in der Welt
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Dead:

23

Reason:

Fire in the rear of the plane. The crew member ignored the fire, but why it could not be detected.

Change:

• Smoke detectors and automatic fire extinguishing machines were found in toilets of all planes.

• A fire resistant layer was installed on the seats of Jetliners.

• Lightening arrangements were also made in the floor of the plane. This will reduce the hassle of the passenger to get out in a frequent smoke.

Result:

After 1988, more and more safe and fire-resistant interior was being prepared for the planes.

4. Delta Airline Flight 191 (Lockheed L-1011-385-1) Incident:

The afternoon weather in Dallas, Texas, Im August 2, 1985, was a bad one. The temperature was high but there was also moisture. At 4:03 p.m., Delta Airline’s Flight 191 was flying from the runway. There were 167 passenger riders in this Lockheed L-1011-385-1. At some height of 800 feet, something strange happened. An explosion occurred and in a few seconds the plane came down on the runway and highway. A vehicle came in its grip.

schrecklichsten Flugzeugabstürze in der Welt
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Dead number:

137

Cause of the accident:

Conditions for creating celestial electricity in the atmosphere have been created. This was the situation due to a weak frontal system.

Reform:

After the crash, NASA prepared wind-windshield detector radars.

Result:

This incident has recorded only one such accident since the incident.

5. Aeromexico Flight 498 Incident:

After the aerial accident in Grand Canyon in 1956, the ATC system created different routes of the airlines. It helped in preventing the accident. Despite this, auf 31 August 1986, a private 4-seater Piper Archer aircraft could not detect the control room system in Los Angeles. Aeromexico DC-9 pilot made a big mistake and the passenger plane going to the lading collided with LAX. Both pieces of the plane were scattered in the radius of 20 km of the resident area.

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Dead:

82

Reason:

The control room system could not detect the small plane in the airport area.

Changes:

• Transponders were used to allow small aircraft to enter the controlled area. This electronic device gives full details of the status of the plane and the height of its flight.

• Aircraft companies were required to set up TCS-2 anti-retaliatory systems.

• Transponders with such conditions give the pilot the correct instructions to save the plane. Result: In the US, no small plane after this system has collided with an airliner.

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