V8BP.000

V8BP.000 in the cockpit glazing system

The V8BP.000 is an electrically heated cockpit side window glass used on Mi-8, Mi-8MTV-1, Mi-8AMT and Mi-171 helicopters. It is installed in the cockpit side glazing area and provides external visibility for the flight crew. In operation, this glass is not only a transparent panel. It is part of the cockpit glazing and anti-icing system, helping the pilots maintain a clear visual field during flight, taxiing, approach, landing and operation in cold or humid conditions.

Visibility function of the V8BP.000 glass

Clear cockpit visibility is critical for helicopter operation, especially during low-altitude flight, approach, landing, hovering and ground maneuvering. The V8BP.000 side window allows the crew to monitor the external environment through the cockpit side glazing. If the glass is damaged, fogged, iced or electrically inoperative, the pilot’s side visibility can be reduced. This may affect visual orientation, obstacle monitoring and overall situational awareness. For this reason, the condition of the glass and heating circuit is checked as part of cockpit glazing maintenance.

Anti-icing and anti-fogging role of V8BP.000

The V8BP.000 performs anti-icing and anti-fogging functions through an integrated electric heating layer. When powered, the heating element warms the glass and helps prevent ice formation on the outer surface and fogging on the inner side. This is especially important when the helicopter operates in low temperatures, high humidity, precipitation or rapid temperature changes. The heating system does not replace normal cockpit ventilation, but it provides direct thermal protection for the glass surface and helps keep the side window transparent during flight.

Laminated triplex construction of V8BP.000

The glass is manufactured as a laminated safety unit, commonly referred to as triplex glass. This type of construction uses several bonded layers to provide strength, optical transparency and safety behavior in case of damage. For cockpit use, the glass must combine visibility, mechanical resistance and reliable operation of the heating element. During inspection, attention should be paid to cracks, delamination, edge damage, optical distortion, heater continuity and condition of the electrical terminals. Even small defects may be important if they affect visibility or heating performance.

Electric heating system of V8BP.000

The heating of the V8BP.000 is provided by an integrated film electric heater. Power is supplied through the cockpit glazing heating circuit, with the AT-8-3 autotransformer listed as the power supply source. This arrangement allows the glass to be heated in a controlled way without separate external heating equipment. The electrical part of the unit should be checked together with wiring, connectors, heating control and transformer output. If the glass does not warm evenly, the reason may be in the glass heater, wiring, power supply or control circuit.

Application of V8BP.000 on Mi-8 series helicopters

The V8BP.000 is used on Mi-8 family helicopters, including Mi-8MTV-1, Mi-8AMT and Mi-171, depending on cockpit glazing configuration. It is installed as part of the cockpit side window system and belongs to the helicopter glazing and anti-icing equipment. Before replacement, the part number, installation side, dimensions and electrical connection should be checked against the aircraft parts catalog and maintenance documentation. Cockpit glass items may look similar, but differences in contour, thickness, heater arrangement or connector layout can make substitution incorrect.

Supply and documentation for V8BP.000

For procurement, the full designation V8BP.000 should be stated, with the Cyrillic designation В8БП.000 included as an alternative. The product may be supplied as a separate heated glass unit with its passport documentation. For aircraft installation, documentation should confirm the part number, condition, acceptance and suitability for the required helicopter modification. Before installation, the glass should be inspected for transport damage, surface defects, lamination quality, heating element serviceability and compliance with cockpit glazing requirements.

Product Type: Electrically heated cockpit side window glass
Designation: V8BP.000
Alternative Designation: В8БП.000
Function: Prevention of fogging and icing; crew external visibility support
Application / Where Used: Helicopter cockpit glazing systems
System / Installation Area: Cockpit side window
Part of System / Included in Set: Anti-icing system of cockpit glazing
Compatible Aircraft / Equipment: Mi-8, Mi-8MTV-1, Mi-8AMT, Mi-171
Glass Construction: Laminated triplex glass
Heating Type: Integrated film electric heater
Power Supply Source: AT-8-3 autotransformer
Dimensions: 860 × 543 × 16 mm
Weight: 13.1 kg
Technical Documentation: Product passport V8BP.000

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Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.