What happened in the plane crash in 1975? Eastern Airlines Flight 66

What happened in the plane crash in 1975? Eastern Airlines Flight 66

Flight 66 JFK Airport airplane crash…. – RareNewspapers.com

Eastern Airlines Flight 66 was a scheduled flight from Boston to Miami on June 24, 1975, operated by a Boeing 727-225 aircraft. The flight was carrying 124 passengers and 7 crew members.

As the plane was descending towards its destination, it encountered severe weather conditions, including thunderstorms and heavy rain. The captain, Robert Loft, attempted to navigate around the storms, but the plane was struck by lightning and lost all power in two of its three engines.

Why did Eastern Airlines Flight 401 Crash?

The crew managed to restart one of the engines, but the plane’s autopilot system failed and the aircraft began to lose altitude rapidly. The captain attempted to land the plane, but due to the loss of power and control, the plane crashed.

A regularly scheduled flight from New Orleans to New York City.

The crash occurred while on approach to New York’s John F. Kennedy International Airport, killing 113 of the 124 people on board.

Is Eastern Airlines still operating?

Crash cause pinned on wind shear. As a result of a microburst. However, also the failure of the airport and the flight crew to recognize the severe weather hazard was also a contributing factor.

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Microburst schematic from NASA. The direction of travel is downward until the air current hits ground level, at which point it spreads outward in all directions. The wind regime in a microburst is completely opposite to a tornado.
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Strong wind shear in the high troposphere as a result forms the anvil-shaped top of this mature cumulonimbus cloud, or thunderstorm.

Depiction of where the planetary boundary layer lies on a sunny day
Earth Systems Research Laboratory, NOAA – http://www.esrl.noaa.gov/research/themes/pbl/img/fig1.jpg

After the microburst the aircraft struck the approach lights approximately 2,400 feet (730 m) before the runway started.  

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Glider ground launch affected by wind shear
FAA – (2004) Airplane Flying Handbook, U.S. Government Printing Office, Washington D.C.: Federal Aviation Administration (faa.gov)

Then, the plane banks towards the left and continues to strike the approach lights.

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Effect of wind shear on aircraft trajectory. Note how merely correcting for the initial gust front can have dire consequences.
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Sketch showing effect of wind shear during aircraft descent into an airport. NASA. 

Eventually bursting into flames and scattered the wreckage along Rockaway Boulevard, which runs along the northeast perimeter of the airport.

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The crash prompted changes in aviation regulations regarding the design. In addition, testing of aircraft electrical systems. Furthermore, improvements in weather forecasting and communication between air traffic controllers and pilots. Lastly, the crash of Eastern Airlines Flight 66 remains one of the deadliest aviation accidents in the history of the United States.

Photo of wreckage of Flight 66 on Rockaway Boulevard, just north of runway 22L.
FAA – https://lessonslearned.faa.gov/ll_main.cfm?TabID=1&LLID=67&LLTypeID=2

When the crash occurred, it became the deadliest in United States history. Furthermore, would remain so until the 1978 Pacific Southwest Airlines Flight 182 crash. Lastly, what makes is super pathetic is a cargo plane 10 minutes prior to the crash reported hazardous wind shear. Failure to communicate dooms us all!

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Wreckage of Delta Air Lines Flight 191 tail section after a microburst slammed the aircraft into the ground. Furthermore, another aircraft can become seen flying in the background past the crash scene.
National Oceanic and Atmospheric Administration (NOAA) – http://www.popularmechanics.com/technology/aviation/crashes/4221138-5#slide-4

Lastly, for further reading: ASN Aircraft accident Boeing 727-225 N8845E New York-John F. Kennedy International Airport, NY (JFK) (aviation-safety.net)

What happened in the plane crash in 1975? Eastern Airlines Flight 66