Lesson 1Turboprop engine types: turboprop core, free-turbine vs fixed-shaft, common modelsCovers turboprop core setup, compressor, combustor, and turbine parts. Compares free-turbine and fixed-shaft designs, talking about starting, control, and failure ways. Reviews common King Air and ATR engine models and maintenance effects.
Gas generator core components and flow pathFree‑turbine versus fixed‑shaft comparisonPower turbine and reduction gearbox functionTypical King Air engine models and ratingsTypical ATR engine models and ratingsLesson 2Typical twin-turboprop models and selection rationaleReviews example King Air and ATR twin-turboprop models, their jobs, and performance. Explains why operators pick them, showing payload, range, field performance, reliability, and maintenance meanings for mechanics.
King Air family roles and configurationsATR family roles and configurationsPerformance and payload trade‑offsField length and runway environment limitsMaintenance cost and reliability factorsLesson 3Propeller systems: constant speed, governor operation, feathering, synchronizationDetails constant-speed propeller work, governor parts, and blade pitch control. Explains feathering, unfeathering, and synchronization systems, stressing rigging, leak checks, and common failure ways affecting safety.
Constant‑speed propeller operating modesPropeller governor components and flow pathsFeathering and unfeathering mechanismsOverspeed protection and beta rangePropeller synchronization and synchrophasingLesson 4Landing gear types: cantilever, oleo struts, bogie/truck designs, retraction mechanismsDescribes landing gear setups on King Air and ATR planes, including main and nose gear. Explains oleo strut work, bogie trucks, steering, and retraction systems, with focus on checks, servicing, and rigging.
Nose and main gear arrangement overviewOleo strut construction and servicingBogie and truck assemblies on ATR gearRetraction actuators, locks, and uplatchesSteering systems and shimmy dampersLesson 5Maintenance documentation used for this platform: AMM, CMM, IPC, wiring diagrams, SBs, ADs, logbooksOutlines key maintenance papers for King Air and ATR fleets, including AMM, CMM, IPC, wiring diagrams, SBs, ADs, and logbooks. Shows how mechanics use them for fixing problems, parts pick, and proper recordkeeping.
Aircraft Maintenance Manual (AMM) usageComponent Maintenance Manual (CMM) scopeIllustrated Parts Catalog (IPC) for partsService Bulletins and Airworthiness DirectivesLogbook entries and electronic recordsLesson 6Common instrumentation: ITT, torque, N1/Np, oil pressure and temperature sensorsExplains main engine and propeller instruments: ITT, torque, N1, Np, and oil measures. Covers sensor types, signal handling, and cockpit shows, plus usual failure signs and fixing thoughts for mechanics.
Interpreting ITT and temperature limitationsTorque sensing and indication systemsN1 and Np speed measurement methodsOil pressure and temperature monitoringDisplay units and wiring fault symptomsLesson 7Airframe structure: wing, fuselage load paths, control surfaces and hingesLooks at main load paths from wing to fuselage, including spars, frames, and stringers. Details control surfaces, hinges, and actuators, stressing check points, corrosion risks, damage limits, and usual repair thoughts.
Wing spars, ribs, and skin load sharingFuselage frames, stringers, and pressure shellEmpennage structure and attachment fittingsPrimary control surfaces and hinge designControl surface actuators and linkagesLesson 8Safety, human factors, and regulatory basics for maintenance actionsIntroduces rules framework, including FAA and EASA basics, and how they shape maintenance ways. Highlights human factors, error traps, talk, and shift change, linking to safety culture and incident stop.
Regulatory roles of FAA, EASA, and authoritiesMaintenance certification and sign‑off basicsHuman factors and common error mechanismsCrew coordination and shift handover risksSafety culture, reporting, and just culture
