MARS-BM

The MARS-BM is an onboard emergency voice and audio recording system designed for continuous recording and preservation of crew communications and cockpit acoustic environment on aircraft.

Within the onboard recording architecture, the system records crew intercom communications, external radio communications, cockpit ambient sound, and encoded time signals for synchronization with parametric flight data recorders.

The system is installed on medium and heavy aircraft and operates in conjunction with aircraft intercom systems and associated synchronization equipment as part of flight data and voice recording complexes.

The product is also known under alternative designations MARS-BM, МАРС-БМ, which refer to the same product type.

Product Type: Onboard emergency voice and audio recording system
Function: Continuous recording and preservation of crew voice communications and cockpit audio
Application / Where Used: Aircraft voice and audio recording systems
System / Installation Area: Onboard voice recording system
Compatible Aircraft / Equipment: Medium and heavy aircraft; systems SPU-7, SPGU with USS-16 interface
Operating Voltage: 27 V DC (18 to 31 V)
Power Consumption: Less than 20 W
Number of Recording Channels: 4
Voice Frequency Range: 300 to 3400 Hz
Recording Duration: Last 30 min (cyclic recording)
Input Signal Levels (Voice Channels): 0.02 to 0.6 V; 0.6 to 18 V; 3 to 90 V
Impulse Channel Input Level: 3 to 5 V
Output Signal Level (Playback): Not less than 0.6 V (voice); not less than 0.5 V (impulse)
Operating Temperature Range: −50 to +60 °C
Relative Humidity: Up to 98 % at +40 °C
Vibration Resistance: 5 to 300 Hz, 5 g
Linear Acceleration Resistance: Up to 4 g
Shock Resistance: Up to 12 g
Crash-Protected Recorder: Block 70A-10M with armored container MLP-6
Fire Resistance: Up to 1000 °C for 15 min
Water Resistance: Sea water exposure up to 36 h
Shock Overload Resistance: Up to 200 g
Static Load Resistance: Up to 1000 kg
Technical Documentation: Product passport, maintenance manual, 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.