Mi-17V-5 Military Transport Helicopter

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The story so far: The helicopter that crashed killing Chief of Defence Staff Bipin Rawat and others was an MI-17 V5, from Russia.

About MI-17 V5:

It is one of the latest versions of this Russian-made military transport helicopter available around the world.
It belongs to the MI-8/17 family of military helicopters.
It has a digital flight data recorder and a cockpit voice recorder on board to monitor flight parameters and cockpit conversations respectively.
The MI-17 V5 is one of the most modern modifications of the Mi-8/17 helicopter series of Russian origin.
The twin-engine, single-rotor-scheme helicopter with a tail rotor has an advanced performance design with a dolphin-type nose, an additional starboard sliding door and a portside widened sliding door.
The MI-17 V5 can carry equipment inside the cargo cabin or an external sling, drop tactical air assault teams, and carry the wounded.
The helicopter has the capability to land on unprepared sites at night and in adverse weather conditions.
The manufacturer, claims the helicopter has the ability to land on even on a single-engine configuration in an emergency.
The MI-17 V5 has a maximum speed of 250 km per hour and a cruise speed of 230 km per hour.
It can be used for both transport personnel and cargo, is the mainstay of the Indian Air Force’s medium-lift helicopter fleet.
Apart from India, it is used by the air forces of nearly 50 countries, including Russia and Iraq, and is also part of the erstwhile Afghan Air Force.