Mid-air break-up

{{I=Oceanic 815 from Otherville 02.png=right=250=Mid-air break-up of Oceanic Flight 815, as seen from the Barracks in {{ep}}}}
''See also Flight 815 pieces''
A '''mid-air break-up''' was suffered by Oceanic Flight 815 before the airplane crashed on the The Island on September 22, 2004. This was presumably caused by a strong Discharge built up inside the Swan station. The mid-air break-up of Flight 815 consisted of a series of distinct events, several of them with unusual features.

== Sequence of mid-air break-up of Oceanic 815 ==
The mid-air break-up of Flight 815 consisted of a sequence of distinct events.

===Normal flight===
====On the island====
{{I=SystemFailure.jpg=right=200=From {{ep}}.}}
On September 22, 2004, Desmond Hume was away from the Swan for more than 108 minutes, thereby failing to enter the Numbers in time. This resulted in a system failure, as the electromagnetic force building up inside the Swan was not discharged. {{crossref}}

====On the plane====
{{I=Lost pilot a244.jpg=left=200=Jack views the plane's wing out the window. {{crossref}}}}
Only minutes before the catastrophe, flight was still normal. Oceanic 815 was at cruise altitude, straight-and-level, within a clear air mass. There was no turbulence. Jack looked out on the left wing, and exchanged small talk with the flight attendant, Cindy and passenger Rose Nadler. {{crossref}}

According to the Seth Norris and flight attendant Cindy Chandler, Oceanic 815 had Flight path of Oceanic 815, but the mood in the passenger cabin was generally calm and normal. {{crossref}}

===Turbulence began===
====On the island====
As Desmond rushed back into the Swan, a pre-recorded system failure warning message was repeated, while the entire station was shaking, and dust was falling from the ceiling outside the concrete wall, suggesting that the Swan was under intense structural stress. {{crossref}}

At the Barracks, Juliet Burke was holding a book club meeting, which was suddenly interrupted by an earthquake. The book club members sought shelter under doorways. {{crossref}}

====On the plane====
{{I=Left wing low.png=right=200=From {{ep}}.}}
A low, booming noise was heard. The left wing dipped low. The cabin was shaking. There was a sound of metallic rattling, not common during turbulence. {{crossref}}

The pilot turned on the "fasten seatbelt" signs, and flight attendant Cindy Chandler called for everyone to return to their seats and fasten their seatbelts. {{crossref}}

Turbulence and groaning continued. Camera angle suggested descent. {{crossref}}

===Violent turbulence===
{{I=Lost pilot b079.jpg=200=left=Charlie in lavatory, in {{ep}}.}}
====On the island====
Inside the Swan station, Desmond anxiously tried to enter the Numbers. Metal objects such as cans began to fly through the air toward the concrete wall, demonstrating that the magnetic field behind it was growing much stronger than normal. {{crossref}}

At the Barracks, the shaking was so violent that dishes fell off of shelves, but there was no evidence of metal behaving abnormally. {{crossref}}

====On the plane====
Suddenly, Oceanic Flight 815 experienced violent turbulence. A rapid, sudden loss of altitude caused passengers who weren't wearing their seatbelts to strike the overhead. {{crossref}}
{{I=Lost pilot a258.jpg =200=right=From {{ep}}.}}

{{I=Others quake ends.png=200=left=From {{ep}}.}}
===Rapid descent===
====On the island====
Inside the Swan station, Desmond finally successfully entered the Numbers. The countdown timer reset to 108. The System failure warning message stopped. Groaning noises stopped. {{crossref}}

At the Barracks, the earthquake stopped. Juliet and her guests went outside. More of the Others, including Ben, Ethan and Goodwin also gathered on the lawn in front of the houses. Looking towards the sky, they could suddenly hear the sound of a plane. Moments later, Oceanic Flight 815 descended into their view. {{crossref}}

====On the plane====
{{I=Lost pilot b376.jpg=200=right=From {{ep}}.}}
The aircraft began a rapid descent. Breathing masks deployed in most sections of the aircraft, although they, for some reason, failed to deploy in at least one part of the Tail Section. The passengers' heads were pulled back against the headrests. The view through Kate's window indicated that the aircraft was nose-down about 15 degrees. The aircraft was shaking. The engines were whining, the noise increasing in volume and pitch. Metallic groaning continued. {{crossref}}

{{I=Oceanic 815 from Otherville 01.jpg=200=left=From {{ep}}.}}

===Partial recovery===
As Oceanic Flight 815 came within sight of the Others, it appeared to have made a partial recovery. Flight appeared relatively straight-and-level. The aircraft was descending, right wing slightly low, roughly between 2,000ft and 5,000ft in altitude. It was trailing a cloud of black smoke from the right engine. Turbofan engine noise, as heard from the perspective of the Others, seemed basically normal.

However, a '''black band''' was already visible at the incipient point of separation of the tail section as the plane came into view. {{crossref}}

===Break-up began===
{{I=Art1c 1.jpg=200=right=From {{ep}}.}}
Even though the magnetic force pulling the plane down had stopped, Oceanic 815 began to lose its structural integrity. A large, white rectangular object, roughly the size and shape of the forward cargo door, but perhaps larger, separated from the right side of the aircraft. Black smoke continued to trail from the right engine.

As the object appeared to reach the height of the tail, a second very narrow '''black band''' appeared at the future point of separation of the nose section.{{crossref}}

===Tail section separated; Explosion of right engine===
{{I=Oceanicbreakoutside.jpg=200=left=From {{ep}}.}}
As the plane continued to shake, the tail section separated from the rest of the plane, and passengers not wearing their seatbelts were instantly sucked out of the cabin. {{crossref}} At the instant the tail section had completely separated from the plane, the right engine exploded and separated from the wing. From the Barracks' point of view, a loud boom could be heard.

The front landing gear separated from the front of the plane and began falling. {{crossref}}

===General disintegration===
{{I=Art1c 3.jpg=200=right=From {{ep}}.}} 
Most of the left wing past the engine separated. Other pieces separated, including a large, black rectangular piece and two wheeled pieces of the landing gear. The right engine, trailing flames and black smoke, continued to fall. {{crossref}}

In the mid-section, after the tail section separated, an emergency-beeping noise and engine noise continued, suggesting that the nose/mid-section was still partially operational. {{crossref}}

{{I=Oceanicbreakinside.jpg=200=left=From {{ep}}.}}
===Nose and mid-section continued===
The nose section, the mid-section, the stub of the left wing, the left engine, and part of the right wing remained together. This part of the aircraft, which contained most of the future survivors of the crash, appeared to retain some lift and it continued partially forward in the direction of the flight path. The tail section, which apparently caught the air stream and slowed down due to drag, began a more precipitous fall. As it fell, it assumed an aft-downward attitude, possibly because that was its most aerodynamic attitude. 

{{I=Oceanicpieces.jpg=200=right=From {{ep}}.}}
As they continued their separate trajectories, the tail seemed to be falling toward the right and the front section toward the left of the flight path. The effect was one of "blossoming outward" from the point of separation. {{crossref}}

===Nose section and cargo compartment separated===
{{I=Lost pilot a370.jpg=200=left=From {{ep}}.}}
Although not seen from the Barracks, the nose section and the cargo compartment separated from the mid-section.

===Sections crashed===
The mid-air break-up concluded with all fragments crashing on or near the Island.

{{I=Oceaniccontrails.jpg=right=200=From {{ep}}.}}
The tail section crashed in the ocean not too far from the beach, tumbling down from the direction of the sea toward the beach. Immediately prior to impact, its attitude was "nose-up," in a sledding position that may have maximized the chances of survival for the Tailies.  Moments after the impact of the tail section, other pieces of debris all began to hit on or around the beach on the tailies' side of The Island. {{crossref}}

The cockpit section crashed into the jungle, short of the beach where the mid-section crashed. {{crossref}}

{{I=Lost 48 days tail lands.JPG=left=200=From {{ep}}.}}
The cargo compartment crashed inside a cave, also not too far from beach where the mid-section crashed. {{crossref}}

The mid-section crashed on a beach on the opposite side of the island from where the tail section had crashed.  Although the starboard engine separated from the fuselage while still in view of the Barracks, its trajectory remained miraculously identical to that of the fuselage, to the point that it landed on the same beach less than 10 meters away from the intact fuselage. {{crossref}}. According to Sayid, the fuselage first cartwheeled through the jungle before coming to its resting place. {{crossref}}

(Note The actual crashes of the cockpit section, the cargo compartment and the mid-section have never been shown on the show.)

Contrails followed the fragments part of the way down to ground level. A trail of black smoke followed a flaming fragment all the way to ground level. Columns of dark smoke rose from two crash sites.

The "blossoming outward" effect was more evident. The trails to the right, presumably the tail section and other pieces, landed either on or near a beach. Other pieces fell either over the Island or on its far side to the left.

==Alternate depictions in Via Domus==
{{I=ForceMajeureCrash.jpg=right=200px=From {{ep}}}}
* The mid-air breakup is shown twice in the game ''Lost Via Domus'', both times from Elliott Maslow's perspective. {{crossref}}
* In the opening sequence of ''Via Domus'', Elliott is a passenger on the plane and witnesses the turbulences, the tail section of the plane breaking off, and eventually also the cockpit section breaking off, with people being sucked out of the plane on both ends. {{crossref}}
* In the ending sequence of {{ep}}, Elliott is on Via Domus (sailboat), but somehow ends up witnessing the mid-air break-up of Flight 815 again, this time from below. In this version, the breakup seems to be occurring a lot faster than at the beginning of {{ep}}.

==Role of the crash==
Despite all the other mysteries and plot advances that have occurred since the show's premiere, the crash and the day of the flight remain the most pivotal, and have been the event seen most frequently in flashback of any other event. The day of the flight itself has been seen in eleven episodes -- {{ep}}; {{ep}}; {{ep}}; {{ep}}; {{ep}}; {{ep}} and {{ep}}; {{ep}}; {{ep}}; {{ep}}; {{ep}} -- and two mobisodes --{{ep}} and {{ep}}. Meanwhile, the crash itself has also been seen in nine episodes -- {{ep}} and {{ep}}; {{ep}}; {{ep}}; {{ep}}; {{ep}}; {{ep}}; {{ep}} and {{ep}}. Additionally, the first night after the crash was also seen in {{ep}}, {{ep}} and {{ep}}.

== See also ==
*Boeing 777
*Car accidents
*Flight 815 pieces
*Flight 815 seat numbers
*Oceanic Flight 815

== External links ==
*http//www.airsafe.com Airsafe.com
*http//www.planecrashinfo.com/unusual.htm Planecrashinfo.com
*http//en.wikipedia.org/wiki/Uruguayan_Air_Force_Flight_571 Uruguayan Air Force Flight 571 on which the 1990s film ''Alive'' was based and during which the tail section was separated and held several keys to the groups survival such as insulation material
*http//perfisdeavioes.blogspot.com/2008/02/flight-815-boeing-777-200er-de-lost.html Article about Lost Airplane paintings - In Portuguese, just translate
*WikipediaCategoryIn-flight_airliner_structural_failures*http//www.youtube.com/watch?v=MKcKtjrL5bc&feature=channel Flight 815 Crash in Real Time - a ten-minute Youtube video depicting the crash from all current perspectives in "real time" in the style of ''24''

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