Part 2: Alaska

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This plane crash takes us to the state of Alaska which is located next to Canada and near Russia.

WARNINGS OF A PLANE CRASH

A/N: This crash actually happened off the coast of California, but the airliner involved is from Alaska.

A/N: This crash actually happened off the coast of California, but the airliner involved is from Alaska

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Pictured above is the accident aircraft, photographed in 1992.

Alaska Airlines Flight 261, registered as November 963 Alpha Sierra (N963AS), was an Alaska Airlines flight of a McDonnell Douglas MD-83 plane tat crashed into the Pacific Ocean on the 31st of January 2000, roughly 2.7 miles (4.3 kilometres; 2.3 nautical miles) north of Anacapa Island, California, the plane crashed following a catastrophic loss of pitch control, the crash killed all 88 people on board, the flight was a scheduled international passenger flight from Licenciado Gustavo Díaz Ordaz International Airport (IATA: PVR, ICAO: MMPR), Puerto Vallarta, Jalisco, Mexico, to Seattle-Tacoma International Airport (IATA: SEA, ICAO: KSEA), Seattle, Washington, with an intermediate stop at San Francisco International Airport (IATA: SFO, ICAO: KSFO), San Fransisco, California.

The flight crew contacted the airlines dispatch, on a radio frequency that was shared with maintenance facilities at LAX, they were discussing a jammed horizontal stabiliser and they wanted to divert to Los Angeles International Airport (IATA: LAX, ICAO: KLAX) at 16:09pm (00:09am UTC), the crew used the primary trim system to unjam the horizontal stabiliser, when it was freed the jackscrew assembly inside the tail moved to an extreme nose down position, forcing the plane into an almost vertical nosedive, from about 31,500 feet to between 24,000 feet and 23,000 feet in around 80 seconds, the pilots regained control by pulling with 130 to 140 pounds of force, the crew stopped the 6,000 feet per minute descent and stabiles the MD-83 at roughly 24,000 feet, at 16:19pm local time, the CVR recorded at least four thumps and 17 seconds later an extremely loud noise was heard, at the same time the jackscrew assembly in the tail of the aircraft failed, the jackscrew seperate from the acme nut that holds it in place, at this point the horizontal stabiliser failed, the plane pitched over into a dive while rolling to the left, the pilots continued to try and regain control of the plane, the plane pitched down to -70 degrees, the pitch then changed to -28 degrees, when the crew was performing an upset recovery the plane was inverted while flying, the plane was still diving at -9 degree pitch, despite trying to fly the plane inverted, the plane lost to much altitude and it was far beyond recovery, at 16:22pm local time, the plane hit the Pacific Ocean at a high speed, about 14 miles (23 kilometres) off shore, between Port Hueneme and Anacapa Island, the plane was destroyed by impact forces.

The summary of the crash was Loss of control caused by jackscrew failure due to improper maintenance.

Below is a video which explains what happened to the plane, video credit goes to The Flight Channel on Youtube.




Below is another video, which also explains what happened to the plane, video credit goes to Disaster Breakdown on Youtube, video is done by Chloe Howie.

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