UGR-4UK Series 3

UGR-4UK Series 3 System Overview

The UGR-4UK Series 3 is an aircraft combined instrument designed as a gyromagnetic radio compass indicator and used within onboard navigation systems. It is applied as part of course systems such as GMK-1 on aircraft and helicopters.

UGR-4UK Series 3 Indication Function

The instrument provides visual indication of aircraft heading, turn angles, and radio bearing data in conjunction with automatic radio compass systems. It enables display of relative bearing and course angle to radio stations, supporting navigation tasks during flight.

UGR-4UK Series 3 Aircraft Application

The unit is installed in aircraft and helicopter cockpits as part of integrated navigation equipment and operates together with radio compass systems such as ARK-9 and ARK-15, providing essential directional information to the flight crew.

UGR-4UK Series 3 System Integration

The instrument features a dual-scale design with a fixed outer scale and a movable inner scale, along with pointer indicators and a course setting mechanism for manual input. It operates as part of navigation and course systems, providing synchronized indication of heading and radio navigation data. The product is also known under designation UGR-4UK Series 3.

Product Type: Gyromagnetic radio compass indicator (combined instrument)
Function: Visual indication of heading, turn angles, and radio bearing data
Application / Where Used: Aircraft and helicopter navigation systems (GMK-1, ARK systems)
System / Installation Area: Cockpit instrument panel

Pointer Error (Course Scale): 1°
Pointer Error (Radio Compass Selsyn, Zero Mark): 0.5°
Pointer Error (Other Marks): 2.5°
Coordination Rate: Not less than 15°/s

Scale Design: Fixed outer scale; movable inner scale
Indicators: Dual pointer indication
Course Setting Mechanism: Manual course setter (gear-type control)

Operating Voltage (DC): 24 V (+30% / −25%)
Operating Voltage (AC): 36 V, 400 Hz
Interfaces: CAN up to 1 Mbit/s

Operating Temperature Range: 0…+50 °C

Technical Documentation: Product passport and manufacturer 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.