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FDR-300 - Flight Data Recorder

FDR-300 is a  miniature Flight Data Recorder system for fighter planes, helicopters and long range UAV.    .

The FDR-300 unit provides ‘All-In-One’ recording capabilities for various airborne parameters via interface to up to three dual redundant 1553 channels, Analog, Discrete and Serial communication. The recorded data is stored on PCMCIA card.


The FDR-300 operates autonomously and is ready for recording shortly after power is applied. Recording of flight data can be started and stopped by controlling one of the discrete signals or RS-232/422 channels. Removable recording media (PCMCIA) enables immediate retrieval and analysis of the data.


18-36VDC Operation per MIL-STD-704D, MIL-STD-1275B

FDR-300 datasheet

Size: 4" high x 6.4" wide x 10.5” deep (including the mounting tray).

The FDR's Operating System is stored in a Disk On Chip.  Data is stored in a PCMCIA/PC Cards (up to 8GB) for later off-line debriefing. 



Recording time may vary depending on actual data sample rates.    8GB disk can store data from 2 MIL-STD-1553 buses (20% bus load) for at least 25 flight hours. Exact calculations can be made based on an exact specification



 Geode LX800, 500 MHz   256MB RAM.

Operating System storage

Windows XP Embedded



Input Voltage

18-36VDC  30W,  MIL-STD- 704A

Mass storage


Aircraft BUS

2 x 1553 BUS dual redundant (BC, R/T, Monitor), 1 additional 1553 channel is optional.

Discrete Signals

- 4 Opto isolated discrete signals for 28VDC

- 4 TTL discrete signals.

Output: Open collector 5-36VDC  (ULN)

RS-232/422 Inputs

4 x RS-422/RS-232 up to 115Kb/s

A/D inputs

4 A/D inputs 10khz per channel


-54ºC - +71ºC operating +85ºC intermittent,  -55ºC - +90ºC non-operating


Up to 95% relative humidity, non-condensing, MIL-STD-810F method 507.3

Salt Fog

5% solution per MIL-STD-810F


MIL-STD-810F method 514.4, category 5,6


MIL-STD-810F method 516.4, for flight equipment 20g, 11ms, saw tooth

Crash Safety

40g, 11ms saw tooth

Explosive Atmosphere

MIL-E-5400T paragraph


50,000ft (or the equivalent atmospheric pressure) both operating and non-operating.


MIL-STD-461C class A1, part 2

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