Ground Training Lesson 16
1.5 Hours Ground
by Philip Greenspun and Kasim Te; revised July 2008
Developed for students at East Coast Aero Club which operated under FAR Part 141 from July 2008 through July 2010.
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Objective
The student will assume the instructor's role and present a
classroom lecture on a Robinson helicopter flight manual, helicopter
performance, and helicopter weight and balance.
Elements
Helicopter Flight Manual
- Operating limitations
- Airspeed
- Rotor
- Powerplant
- Type of operation
- Fuel usability
- Instrument markings
- Operating procedures
- Emergency procedures
- Takeoff and landing procedures
- Checklists
- Preflight
- Engine starting and warmup
- Engine shutdown
- Performance information
- Performance charts
- Types of charts
- Interpretation of charts
- Placard information
Helicopter Performance
- Effect of density altitude
- Definition
- Air density
- Pressure altitude
- Temperature
- Moisture
- Computing density altitude on chart
- Effect on hovering, takeoff and rate of climb
- Effect of gross weight
- On power available
- On hovering ceiling
- On takeoff and rate of climb
- Effect of wind
- Wind direction
- Strong wind
- Gusty wind
- Carburetor icing
- Causes and indications
- Elimination
Weight and Balance
- Weight and Balance Definitions
- Empty weight
- Gross weight
- Maximum gross weight
- Useful load
- Datum
- Arm
- Moment
- Center of gravity
- Weight and Balance Determinations
- Computation method - longitudinal/lateral
- Graph method
- Table method
- Weight and Balance Management
- Weight adjustment
- Center of gravity adjustment
- Fuel burn off
- Effect of out-of-balance loading
Completion Standards
This lesson will be complete when, by oral examination, the student
is able to explain and teach about the topics in the lesson.
Study Assignments
- A lesson plan to be prepared by the student, including lecture notes, review questions, and figures.
- Robinson POH
Instructor's Evaluation and Recommendations:
Ground Training Record, Lesson 16
Any deviations from the completion standards should be noted in the previous section.
After completing an item in the Elements section, place a check mark next to that item.
- Student Name:
- Instructor Name/CFI#/expiration:
- Instructor Endorsement:
- Date of Lesson: