Smart CVR

This Smart Cockpit Voice Recording System is a qualified, extremely lightweight, reliable and low power cockpit voice recorder system, consisting of a Miniature Data Acquisition Unit (Miniature DAU) and a Smart Flight Data Recorder (Smart FDR).

Designed for simple system installation and on/off control by aircraft generator frequency. Read-out and conversion software is available.

Smart FDR Specifications
Dimensions: Spherical 2.2 in. (55 mm)
Weight: .5 lbs (titan version) .75 lbs (steel version)
250 gr (titan version) 350 gr (steel version)
Power Consumption: Max. 1 Watt
Recording Capacity: Max. 1 GByte
Recording Time: Up to 20 hours
Recording Tracks: Max. 8 tracks (one reserved for internal sensors)
Interface to Miniature
DAU:
Four-wire interface (power and RS485 data)

Miniature DAU Specifications
Dimensions: 5.5 in. x 4 in. (140 mm x 109 mm)
Weight: 1 lb (500 gr)
Power Inputs: 2×28 VDC max. 10 Watt acc. to EPN 2282
Audio Inputs: 4 inputs compatible with STI requirements ED56A
Area Microphone: Internal compatible with STI requirements ED56A
Internal Sensors: 1 G-sensor 3-axis, range +/- 10G per axis
1 int. barometric pressure sensor 20 kPa-105 kPa
1 int. temperature sensor -400 C to +850C
1 int. real-time clock (24-hour basis)
External Sensor
Inputs:
5 discrete inputs 28 VDC
5 frequency inputs (1 Hz to 50 kHz / 2VAC to 55 VAC)
4 ARINC 429 inputs
Optional inputs upon request
Status Outputs: 1 fail indication output 28 VDC
3 status LEDs on Miniature DAU surface (pwr and fail)