MI-17 V5                                                 

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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.

https://indianexpress.com/article/explained/cds-bipin-rawat-mi-17-v5-helicopter-crash-7663146/