Alakai Technologies

Engine Trend Monitoring Systems

Digital Flight Data Systems

Systems Engineering

  • Avionics/aerospace design
  • Safety/reliability analyses
  • EMI/Lightning compatibility
  • Megapixel Network Video and Security Systems

Frequently Asked Questions

Contact Us

Go to GA-FDM site

Digital Flight Data Systems - Parameters

DFDS records 80 to 170 key flight and engine parameters

  • All-digital Flight Data System
  • Permanent storage for > 10,000 hours of flight
  • Housed in an aluminum chassis
  • Qualified to DO-160F requirements
  • Installation services available from Dealers

Input and Output Features:
  • 16 discrete opto-isolated inputs (28V/Gnd).etms unit
  • 5 RS-232 serial interfaces, 1500 V isolation.
  • 8 discrete opto-isolated 28V/2A outputs, 4000 V isolation.
  • 10 GP Analog Inputs, 2 Torque, 2 Tach
  • Dual 10/100 Ethernet ports
  • Dual USB 2.0 ports
  • 3 ARINC 429 channels (high and low speed, optional)
  • Embedded AHRS unit

Environmental:
  • Operating temperature/altitude effects
    - DO-160E Section 4 Category B1 and Section 5 Category B
  • Humidity: DO-160E Section 6 Category A
  • Shock: DO-160E Section 7 Category A
  • Vibration: DO-160E Section 8 Cat S and Cat R, Zone 1 or 2
  • EMI
    - Emissions: DO-160E Section 21 Category L and M
    - Susceptibility: DO-160E Section 18 Category B
    - Induced effects: DO-160E Section 19 Category ZC
    - RF susceptibility: DO-160E Section 20 Category RA
  • Power input: DO-160E Section 16 Category B
    with 10 Sec power interrupt, voltage spike per Section 17 Category B
Physical Characteristics:
  • Weight: 2.9 pounds
  • Power Consumption: Less than 8 watts
  • MTBF > 20,000 hours
  • Temperature: -40C to +85C operating