ZBN-1-3 Series 3

ZBN-1-3 Series 3 in onboard flight data recording systems

The ZBN-1-3 Series 3 is a protected onboard solid-state flight data recorder designed for accumulation and preservation of aircraft flight parameter information. It operates as a crash-protected memory unit within onboard flight data recording systems and stores processed parametric data for post-flight analysis, operational monitoring and investigation of aviation incidents. Unlike older magnetic-tape recorders, the ZBN-1-3 Series 3 uses solid-state memory, which removes the tape transport mechanism and improves reliability in regular aircraft operation.

Flight data recording function of ZBN-1-3 Series 3

The main function of the ZBN-1-3 Series 3 is continuous recording and preservation of processed flight parameter data. The recorder stores information related to aircraft systems, flight conditions, engine operation and equipment status depending on the connected recording system. It is active throughout aircraft operation, including start-up, taxiing, takeoff, cruise, maneuvering, descent and shutdown. The unit keeps the last protected flight data archive for later extraction and analysis using approved ground equipment.

Crash-protected memory of ZBN-1-3 Series 3

The ZBN-1-3 Series 3 is built to preserve recorded information under severe accident conditions. The recorder is designed to withstand high shock loads, static compression, fire exposure, immersion in sea water, fuel and extinguishing fluids. This is the core reason for using a protected recorder instead of a normal memory block. In an incident investigation, the value of the unit depends on whether the stored data can survive mechanical and thermal damage and then be read out correctly.

Solid-state design of ZBN-1-3 Series 3

The Series 3 version uses a solid-state recording medium rather than magnetic tape. This makes it suitable for replacing earlier recorder versions where approved by the aircraft documentation. The absence of a tape transport mechanism reduces mechanical wear and removes many faults typical for older magnetic-tape systems. At the same time, compatibility is not defined by memory type alone. The recorder must match the aircraft recording system, power supply, data format, wiring, mounting and approved equipment list.

Replacement of legacy ZBN and MLP recorders

The ZBN-1-3 Series 3 can replace earlier protected recorder units such as ZBN-1-1, ZBN-1-3 and ZBN-1-3 Series 2 according to supplied reference data. It may also replace MLP-14-5 with BlPK-1 where the approved system configuration allows it. This replacement capability is useful for modernization of aircraft originally equipped with magnetic-tape recorders. Before supply, it is still necessary to confirm the target aircraft, recorder system, connector arrangement and whether replacement is allowed without changes to aircraft wiring.

ZBN-1-3 Series 3 aircraft application

The ZBN-1-3 Series 3 is used on fixed-wing aircraft and helicopters equipped with compatible flight data recording systems. It is associated with Tu-134, Tu-154, Tu-154M, Tu-204, Il-62M, Il-76, Il-86, Il-96, Il-114, Yak-42, An-28, An-74, Mi-8, Mi-26T, Ka-32, Tu-214, Tu-334 and Be-200 platforms depending on configuration. It is also commonly referenced for Mi-8 / Mi-17 family helicopters, including Mi-171E, in systems such as MSRP-64M-5 or BUR-1-2.

Data readout and processing of ZBN-1-3 Series 3

Recorded data from the ZBN-1-3 Series 3 can be read out using an IBM-PC or notebook through a USB–RS-422 adapter. The recorder supports high-speed data transfer for maintenance and analysis. It works with data processing systems such as Topaz-M, PS-90 and equivalent equipment. This matters in service because a recorder may be physically serviceable, but data extraction still requires the correct interface, software, decoding tools and system documentation.

Supply and inspection of ZBN-1-3 Series 3

For procurement or replacement, the full designation ZBN-1-3 Series 3 should be specified. The aircraft type, recording system, required documentation and replacement target should also be confirmed. Before installation, the unit should be checked for housing condition, connector integrity, markings, sealing, mounting compatibility, power-up readiness and data readout capability. For aviation use, product passport, acceptance documents and certificate / airworthiness documentation should be confirmed where available.

Product Type: Protected onboard solid-state flight data recorder / SSFDR
Designation: ZBN-1-3 Series 3
Alternative Designation: ЗБН-1-3 серия 3
Function: Accumulation and preservation of flight parameter data
Application / Where Used: Aircraft flight data recording systems
System / Installation Area: Onboard flight data recorder system
Recording Medium: Solid-state memory
System Role: Crash-protected memory unit for parametric flight data
Interchangeability / Replaceability: Replaces ZBN-1-1, ZBN-1-3, ZBN-1-3 Series 2; replaces MLP-14-5 with BlPK-1 where approved by system documentation
Compatible Aircraft / Equipment: Tu-134, Tu-154, Tu-154M, Tu-204, Il-62M, Il-76 / Il-76T, Il-86, Il-96, Il-114, Yak-42, An-28, An-74, Mi-8, Mi-26T, Ka-32, Tu-214, Tu-334, Be-200 depending on configuration
Associated Recording Systems: MSRP-64M-5, BUR-1-2 and other compatible flight data recording systems depending on aircraft configuration
Operating Voltage: 27 V DC / 18–31 V DC
Power Consumption: 3 W for power supply; 33 W for heating circuit
Protected Recording Duration: Last 50 h at 512 words/s
Data Readout Interface: IBM-PC / Notebook via USB–RS-422 adapter
Data Readout Speed: 921 kbit/s
Data Processing Systems: Topaz-M, PS-90 and equivalent systems
Time to Readiness: Not more than 1 min at −60 to +60 °C
Crash Survivability Standard: TSO-C124; ED-55
Shock Overload Resistance: 3400 g for 6.5 ms
Falling Weight Impact: 227 kg from 3 m
Static Compression: 2270 kgf for 5 min along all axes
Fire Resistance: 1100 °C for 1 h; 260 °C for 10 h
Sea Water Resistance: 6000 m / 60 MPa for 24 h; 3 m for 30 days
Fuel and Extinguishing Fluid Resistance: 48 h each
Operating Temperature Range: −60 to +60 °C
Relative Humidity: Up to 98% at +35 °C
Vibration Resistance: 10 g
Shock Resistance: 15 g
Mean Time Between Failures: 20,000 h
Dimensions: 312 × 194 × 148 mm
Weight: Not more than 9.7 kg
Technical Documentation: Product passport and certificate of airworthiness SGKI-142-140-ZBN-1-3 dated 18.12.2003

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