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Turbofan Engine Digital Control System
• Honeywell Turbofan Engines utilize Digital Control
with Engine Condition Trend Monitoring (ECTM)
- Two
g
enerations of controls
g
Generation One, Digital Electronic Engine Controls (DEEC)
• TFE731-2/3/4/5 (New Production and Retrofit of older units)
• TFE731-20/40/50/60 (All from Production)
Generation Two, Full Authority Digital Electronic Control (FADEC)
• HTF7000 series
• ECTM data is divided into three broad cata
g
ories.
g
- Engine Statistics
- Engine Maintenance/Troubleshooting
-
Operational Information
Operational
Information
• In addition, both generations have Incident
Recorders incorporated.
32
File Number