Lesson 1Turboprop engine types: turboprop core, free-turbine vs fixed-shaft, common modelsLooks at turboprop core setup, compressor, combustor, and turbine parts. Compares free-turbine and fixed-shaft types, covering starting, control, and breakdowns. Goes over usual King Air and ATR engine types and how they affect maintenance.
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 common King Air and ATR twin-turboprop models, their uses, and performance. Explains why operators pick them, stressing load capacity, range, runway ability, reliability, and what it means 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, synchronizationExplains constant-speed propeller working, governor parts, and blade pitch control. Covers feathering, unfeathering, and sync systems, focusing on setup, leak tests, and common faults that impact 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 function, bogie trucks, steering, and retraction, with emphasis 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 main maintenance papers for King Air and ATR fleets, like AMM, CMM, IPC, wiring diagrams, SBs, ADs, and logbooks. Shows how mechanics use them for fixing issues, picking parts, and proper record-keeping.
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 key engine and prop instruments: ITT, torque, N1, Np, and oil readings. Covers sensor kinds, signal handling, cockpit displays, plus usual fault signs and fixing tips 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, rust risks, damage limits, and common fixes.
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 guide maintenance. Highlights human errors, traps, talking, and shift changes, tying them to safety mindset and stopping incidents.
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
