On-board television installation BTU-3

Board television unit BTU-3 is designed to monitor and control the state of the cargo on the external suspension of the helicopter and is part of the equipment of the helicopter MI-26T.
BTU-3 as part of the MI-26T helicopter provides:
observation of the cargo on the external suspension from the crew's workplaces;
crew observation of the place of hooking up and stowage (unhooking) of the cargo;
crew observation of the interior of the cargo cabin;
review of the space under the helicopter.

Composition
- TV cameras K1, K2, K3;
- control and switching unit MT1-602D;
- TV indicator IZhK17-0428;
- cable set.

Full designated service life - 12000 flight hours.
Full designated service life - 30 years.
Storage period - 6.5 years in the manufacturer's packaging in unheated storages.
Warranty period - 8 years, of which 5 years of operation and 3 years of storage.
Warranty runtime - not less than 2000 flight hours.