UNDERSTAND GOVERNING, BETA AND FAULT ISOLATION
WWAOG Technical Academy
ATA 61 • Caravan 208/208B & Grand Caravan EX

TM-041 | Caravan Propeller Control & Diagnostics

Propeller system architecture

Governing, oil flow, blade movement and beta feedback

Required measurement bench

Evaluate installed governor limits, test torque and brush-to-collar clearance

Evidence before restoration

Separate control, indication and mechanical faults using installation-specific evidence
Learn how Caravan propeller governors, oil, blade forces and beta feedback work together. Includes a 25-page handbook, eight lessons, six prediction exercises, eight two-stage cases and a 40-question final. Identify the installed engine, propeller and governor before selecting the applicable task.

What's included?

  • 8 focused lessons
  • Completion certificate
  • 40-question final
  • 8 guided fault cases
  • 25-page handbook

Understand the connected system

Trace the complete control chain from power lever and governor to oil flow, blade movement and beta feedback. Distinguish primary governing, overspeed protection and power-turbine governing, and compare Hartzell, McCauley and Grand Caravan EX installation branches.

Practice defensible fault isolation

Complete six prediction-and-Apply exercises, eight two-stage cases, a governor and clearance decision bench and twelve independent decisions. Complete all 24 lab requirements and pass the separate 40-question final at 80%. Based on supplied Cessna D2078 Chapter 61, with the May 2024 chapter edition identified; aircraft-effective tasks govern physical work.