Turbo Commander

Larry York Aviation, LLC specializes in Initial and Recurrant training in: Turbo Commander, King Air 90 & 100 Series and 200, Piston Twin

Negative Torque System | Horsepower Limiting | SRL

The TPE331 can be challenging. After experiencing our unique approach to training, you will feel completely at ease in your tremendously capable Commander.

  • 690
  • 690A/B
  • 840
  • 900
  • 980
  • 1000

Click here to download the Sample Training Presentation (*.PPT)

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Turbo Commander Training Syllabus


I. AIRCRAFT SYSTEMS (12 classroom hours)

General Description of Aircraft

  • Genealogy of the Turbo Commander
  • General Description


  • General theory of operation, including airflow and turbine theory
  • Lubrication System
  • Fuel Control System
  • Ignition System
  • Engine Starting, including abnormal and emergency procedures


  • Constant-speed propeller operation
  • Prop governor function
  • Negative Torque System
  • Low-pitch-stop and Beta control, including reverse NTS, NTS test, Start Lock Pins, Ground start and Air start operation

Electrical System

  • System theory of operation
  • Electrical sources, including NiCad and Lead-Acid batteries
  • Bus protection
  • System monitoring, Normal, Abnormal and Emergency Procedures


  • Fuel System theory & general layout.
  • Fuel pump operation
  • Fuel Transfer (see comment)
  • Fuel Crossfeed


  • Source and control of pressurization air.
  • Air Cycle Machine Operation
  • Pressurization control
    • Pressure Controller
    • OutFlow and Safety Valves
  • Temperature control

Pneumatic Air

  • Sources and control of pneumatic air

Ice and Rain Protection

  • Wing/Tail De-Ice boots
  • Propeller anti-ice
  • Windshield anti-ice
  • Pitot-Static System
  • Engine Anti-ice

Hydraulic and Landing Gear

  • Hydraulic System and operation
  • Landing Gear Mechanism
  • Gear Safe indications
  • Manual gear Extension

Flight Controls

  • Primary Flight Controls
  • Trim Controls
  • Flap system


    External Lights
    Cockpit & Cabin lighting


  • Typical Audio Control
  • Auto-pilot operation

II. AIRFRAME FLIGHT MANUAL (2 classroom hours)

Normal Operations
Abnormal and Emergency Procedures

  • Runway limits (Accelerate - stop/ Accelerate - go)
  • Climb Limits (Engine Out Climb Gradient)

Weight and Balance Calculations
Flight Manual Review


Preflight Inspection of Aircraft
Standard Operating Procedures (including CRM)
Federal Air Regulations

  • Part 61
  • Part 91
  • LAHSO procedures

Loss Communication Procedure
Flight Planning

IV. FLIGHT TRAINING TO PROFIENCY (Approximately 5 flight hours)

    A. Starting Procedures
    B. Normal Operations
    C. Emergency Operations
    D. Engine Out Landing/Go-Around
    E. Instrument and Night Flight
    F. High, Hot, and Heavy Operations

NOTICE: Flight and classroom hours may be increased or decreased as necessary to obtain proficiency of flight and/or required knowledge

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