Select helicopter series
Series: All
Helicopter upgrade

In order to improve operational performance of Mi-8(T), Мi-8МТВ-1, Мi-17 and Мi-17-1В, modification of battery compartment for replacement of nickel-cadmium batteries 20NKBN-28 with batteries 12САМ-28, is performed.


  • Increased operating temperature range;
  • Expanded battery charge preservation time;
  • Enhanced running hours (cycles).


You can only view the directory.
For information concerning to the cost of retrofit and forming retrofit request log in or sign up.

Applicable bulletein

Bulletin № Applicable


Мi-8, Мi-8МТВ-1


Мi-17, Мi-17-1В

Requisition of work perfomance

Place of work performance

At the current location of the helicopter
or at the Aviation Repair Plant (ARP)

  • Certified Maintenance Organizations
  • ARP