The search continues for the missing flight MH 370 of Malaysia Airlines which disappeared on 7th March around 16:41 UTC with 239 souls on board.
There are multiple theories surfacing. Was the plane hijacked? Were there acts of terrorism? Could Flight 370 have been stolen due to a valuable cargo or an important passenger?
There are even some who suggest that the plane was swallowed by a worm-hole (also known as an Einstein-Rosen bridge; a hypothetical shortcut through space-time).
Since there were no magicians -and most likely, no worm-holes – around, the plane did unfortunately crash into the ocean… somewhere.
At this point, there’s little left but to investigate or theorize the manner in which the Boeing 777-200ER made contact with water.
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Disregarding the course Captain Zahaire Ahmed Shah could have taken the plane on to and the crucial left turn reported by the Royal Malaysian Airforce primary radar, lets focus on the altitude of the airplane, as it plays a vital role as to how the airplane could have made contact with water.
Gliding Down To Water – Ditching A Boeing 777
The assigned cruise altitude of the MH 370 was FL350 (35,000 feet) and the plane was reportedly last detected by radar at an altitude of 29,500 feet, which indicates descent. With regards to altitude in this situation: The higher the plane was, the longer its glide would be; hence there would be a better chance of finding suitable clear land for touchdown.
Even if there is no landmass within reach of the glide path, higher altitude gives more time to the pilots to prepare for a water landing.
In case of any on-board anomaly that could have prompted the captain of flight MH 370 to make a water landing, the primary concern of the pilots would have been to approach the water at the slowest possible airspeed, and a low rate of descent.
Water landings are extremely difficult to maneuver but not entirely impossible. Previous instances of ditching a plane in water include a Boeing 737-300 of Indonesian Airline ditching successfully in a river on 16th January 2002, and the infamous U.S. Airways jet liner ditching in the Hudson River in 2009.
If the pilot executes the ditching maneuver safely, he can avoid airplane disintegration to a great extent, which increases the time the aircraft can remain afloat. A Boeing 777 is entirely capable of ditching successfully in water (if properly maneuvered by the pilots) and would stay afloat just long enough for the passengers to disembark via the 8 slide rafts integrated into the 777 for such circumstances.
What Happens if the Ditching Goes Wrong?
To a passenger, the ocean may look calm up from the air, when observed from cruise altitudes. However, ditching a plane in water is a pilot’s worst nightmare – and a maneuver for which they are trained repeatedly on simulators. The first priority when there’s a need to make a forced landing is to avoid ditching a plane in water at all, and find a clear patch of land instead.
This form of landing is always considered a last resort – and for good reason. There are a lot of variables involved: wind speed and direction at the surface of water, airspeed, descent rate, weight of the aircraft, pitch of the aircraft, and of course the general angle (descent angle) at which the airplane approaches the water. If any of these listed variables move out of proportion or balance, the effects would be disastrous on impact with the surface of water.
Flight 370: Water Landing Executed Properly?
For MH 370, a Boeing 777-200 which has its two engines under the wings, it is particularly vital to approach the water at an angle that could perhaps avoid airplane disintegration, since the engine cowlings would act as two large scoops in action. Such an unfortunate instance would result in a large scatter of debris – a considerable portion of which would not sink but float on the surface of water.
Given the circumstances, it is highly unlikely (but not yet confirmed) that MH 370 was able to execute a safe water ditching if it encountered water at all.© Copyright 2014 Junaid Ali, All rights Reserved. Written For: Decoded Science