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  • IRAN
    • What is IRAN?
    • The Walter Engine
    • Balancing
    • Engine Stand
    • IRAN Checklists
  • Maintenance
    • Maintenance Intro
    • Critical Engine Parameter
    • Inspections
    • Borescope Inspections
    • Operations/Limitations
    • ISOL/ Emergency Shutoff
  • Engine Trend Monitoring
  • Contact
  • More
    • Home
    • IRAN
      • What is IRAN?
      • The Walter Engine
      • Balancing
      • Engine Stand
      • IRAN Checklists
    • Maintenance
      • Maintenance Intro
      • Critical Engine Parameter
      • Inspections
      • Borescope Inspections
      • Operations/Limitations
      • ISOL/ Emergency Shutoff
    • Engine Trend Monitoring
    • Contact
  • Home
  • IRAN
    • What is IRAN?
    • The Walter Engine
    • Balancing
    • Engine Stand
    • IRAN Checklists
  • Maintenance
    • Maintenance Intro
    • Critical Engine Parameter
    • Inspections
    • Borescope Inspections
    • Operations/Limitations
    • ISOL/ Emergency Shutoff
  • Engine Trend Monitoring
  • Contact
Turbine Power Technologies

Critical Engine Parameters

  • Calendar time: 5 years (Certified Applications)
  • Time since Overhaul or IRAN: 1500 hours (D Model)  2000 hours (E Model) (Certified Applications)
  • Over-Temp Start or in Operation
  • Over Speed
  • Hard Landing: Recommend an IRAN
  • Exceeding 3.8 G's
  • Prop Strike: Requires an IRAN
  • FOD in compressor
  • Failure to pass a Borescope Inspection (See Borescope Section)
  • Over Torque more than 10% over Max
  • 2250 cycles


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