PVD-6M

PVD-6M in the aircraft air data system

The PVD-6M is a combined aircraft air pressure receiver used in pitot-static air data systems. It captures total and static air pressure from the airflow and sends these pressure signals to onboard instruments. The unit is not an indicator by itself; it works as a primary pressure source for flight instruments that calculate or display airspeed, altitude and vertical speed. Correct operation of the PVD-6M is important because inaccurate pressure input can affect several cockpit indications at the same time.

Measurement of total and static pressure

The PVD-6M receives two different pressure inputs. Total pressure is taken from the airflow facing the aircraft’s movement and is used mainly for airspeed measurement. Static pressure is taken from the surrounding air and is used by instruments such as altimeters and variometers. These pressure lines are separated and identified by color, which helps during installation and maintenance. Clean pressure channels, proper line connection and absence of blockage are essential for reliable air data indication.

PVD-6M and connected flight instruments

The PVD-6M operates with onboard instruments and systems that require air pressure input. It can be used with equipment such as US-35K airspeed indicators, VD-10K altimeters, VR-10MK variometers, and KZSP / KZSGTs systems. In this configuration, the receiver supplies the pressure data, while the connected instruments convert that input into cockpit readings or system signals. If one of these readings becomes unstable or incorrect, the pressure receiver, lines, fittings and instruments should be checked together as one system.

Anti-icing heating of the PVD-6M

The PVD-6M is equipped with an electrical heating system to reduce the risk of icing. This is important because ice formation on a pitot-static probe can block pressure openings and cause incorrect airspeed or altitude-related readings. The heater operates from the aircraft electrical supply and should be checked before operation in icing or low-temperature conditions. During inspection, technicians normally verify heater power, current consumption, insulation resistance and physical condition of the probe surface.

Aircraft application of PVD-6M

The PVD-6M is used on aircraft and helicopters equipped with compatible pitot-static systems. It is associated with platforms such as Yak-18T and other aircraft where this type of combined pressure receiver is installed according to the aircraft documentation. Exact applicability depends on the aircraft type, mounting point, pressure line layout and connected instruments. Before replacement, the receiver should be checked against the aircraft parts catalog and air data system documentation.

Installation and maintenance checks

The PVD-6M is installed in the airflow area where it can correctly receive total and static pressure. During maintenance, attention should be given to the probe body, pressure ports, line fittings, color identification, heater circuit, insulation, mounting security and signs of contamination or mechanical damage. A small blockage, incorrect line connection or failed heater can cause serious indication errors. For this reason, the receiver should be inspected together with the pressure lines and connected cockpit instruments.

Identification and documentation for PVD-6M

In technical documents and procurement requests, the unit may appear as PVD-6M or in Cyrillic as ПВД-6М. These designations normally refer to the same combined air pressure receiver type. For supply, the exact marking, condition, documentation and compatibility with the required aircraft system should be confirmed. Product passport and operational documentation are normally used to verify installation requirements, electrical heating parameters and serviceability before aircraft use.

Product Type: Combined air pressure receiver / pitot-static probe
Designation: PVD-6M
Cyrillic Designation: ПВД-6М
Alternative Designations: PVD-6M, ПВД-6М
Function: Measurement of total and static air pressure
Application / Where Used: Aircraft air data systems
System / Installation Area: Air data / pitot-static system
Compatible Equipment: US-35K airspeed indicator; VD-10K altimeter; VR-10MK variometer; KZSP and KZSGTs systems
System Role: Primary pressure source for airspeed, altitude and vertical speed instrumentation
Operating Voltage, Heating: 27 V
Supply Voltage: 36 ±2.5 V
Current Consumption: 3.4–3.9 A
Insulation Resistance: Not less than 20 MΩ
Airflow Rate, Total Pressure: 4.5–15 L/min
Angle of Attack Range: ±30°
Line Identification: Total pressure — black; static pressure — white
Additional Features: Electrical anti-icing heating system
Weight: 0.25 kg
Condition: As applicable
Technical Documentation: Product passport and operational documentation

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

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.