UNP 2.003.069-01M

UNP 2.003.069-01M navigation and landing unit in the Kurs MP-70 system

The UNP 2.003.069-01M is an airborne navigation and landing unit used as part of the Kurs MP-70 radio-electronic system. It belongs to the equipment chain that receives and processes radio navigation data for route navigation and approach. This is not a cockpit selector or a simple indicator. The unit works inside the navigation and landing architecture and supports the aircraft crew by feeding the system with course and glide path information required during approach and landing. In aircraft documentation, it is normally treated as part of the onboard radio-technical equipment, not as a standalone accessory.

UNP 2.003.069-01M function during navigation and approach

The unit is used for radio navigation and precision approach guidance. In the Kurs MP-70 system, it works with signals related to course and glide path channels, including VOR, ILS, and SP-50 operating logic where these modes are supported by the aircraft installation. Its task is to take part in forming the navigation reference used by indicators, control circuits, and connected flight guidance equipment. The unit does not work by itself in the cockpit. It needs the rest of the MP-70 system, aircraft wiring, antenna paths, cockpit indicators, and the associated control equipment to perform its function correctly.

System work around UNP 2.003.069-01M in onboard equipment

In a complete installation, the UNP 2.003.069-01M is connected with receiver circuits, antenna inputs, indication lines, and aircraft radio navigation controls. The exact arrangement depends on the aircraft type and modification standard. On heavy transport aircraft, the navigation and landing set is part of a larger avionics suite, so one unit rarely tells the full story. A problem that appears at the cockpit indicator may come from the receiver path, wiring, antenna matching, control unit, or the UNP unit itself. For maintenance, this matters. Replacement should be made only after checking the actual system layout and the part number required by the aircraft documentation.

Aircraft application and installation of UNP 2.003.069-01M

The unit is used on aircraft equipped with the Kurs MP-70 navigation and landing system. One listed application is the An-124-100 heavy transport aircraft, where the system is part of the onboard radio-technical equipment. The installation should not be assumed to be identical on all aircraft using MP-70 equipment. Airframe configuration, harness routing, antenna installation, and cockpit indication may differ by aircraft series, repair history, or modernization work. A unit from one aircraft may be serviceable and still not be the correct item for another aircraft if the documentation calls for a different variant or connection standard.

Identification and ordering checks for UNP 2.003.069-01M

Before ordering, the marking on the unit should be compared with the aircraft parts catalog, product passport, or maintenance documentation. For aircraft that have passed through overhaul or partial avionics replacement, the installed unit may not match a simple aircraft type reference. A request should include the part number, aircraft type, and, if possible, a photo of the data plate. For An-124-100 applications, it is especially useful to check the unit against the aircraft radio-electronic equipment list. The product is also known under alternative designation УНП 2.003.069-01М.

Product Type: Navigation and landing unit / airborne radio-electronic equipment
Function: Radio navigation and precision approach guidance
Application / Where Used: Aircraft navigation and landing systems
System / Installation Area: Kurs MP-70 onboard system
Part of System / Included in Set: Kurs MP-70 navigation and landing equipment
Compatible Aircraft / Equipment: Aircraft equipped with Kurs MP-70, including An-124-100
Course Receiver Frequency Range: 108.5 to 117.95 MHz
Course Receiver Sensitivity: Not worse than 3.5 μV
Course Indication Error (VOR Mode): ±1 manual channel; ±1.5 automatic channel
Centering Error (ILS / SP-50): ±4 to ±7 μA
Glide Path Receiver Frequency Range: 329.15 to 335.0 MHz
Glide Path Receiver Sensitivity: Not worse than 7 μV
Glide Path Centering Error: ±5 to ±8 μA
Weight: Not more than 10.3 kg
Gold Content: 5.381 g
Silver Content: 107.80 g
Platinum Content: 3.224 g
Palladium Content: 1.771 g
Technical Documentation: Product passport and technical documentation

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