Table of Contents
General
The Gas Turbine Engine
Turboprop Engines
Turboprop Engine Types
Fixed Shaft
Split-Shaft / Free Turbine Engine
Reverse Thrust and Beta Range Operations
Turboprop Airplane Electrical Systems
Operational Considerations
Training Considerations
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TRAINING CONSIDERATIONS
The medium and high altitudes at which turboprop
airplanes are flown provide an entirely different
environment in terms of regulatory requirements,
airspace structure, physiological requirements, and
even meteorology. The pilot transitioning to turboprop
airplanes, particularly those who are not familiar with
operations in the high/medium altitude environment,
should approach turboprop transition training with this
in mind. Thorough ground training should cover all
aspects of high/medium altitude flight, including the
flight environment, weather, flight planning and
navigation, physiological aspects of high-altitude
flight, oxygen and pressurization system operation,
and high-altitude emergencies.
Flight training should prepare the pilot to demonstrate
a comprehensive knowledge of airplane performance,
systems, emergency procedures, and operating
limitations, along with a high degree of proficiency in
performing all flight maneuvers and in-flight
emergency procedures.
The training outline below covers the minimum
information needed by pilots to operate safely at high
altitudes.
- a. Ground Training
- (1) The High-Altitude Flight Environment
- (a) Airspace
- (b) Title 14 of the Code of Federal Regulations (14 CFR) section 91.211, requirements for use of supplemental oxygen
- (2) Weather
- (a) The atmosphere
- (b) Winds and clear air turbulence
- (c) Icing
- (3) Flight Planning and Navigation
- (a) Flight planning
- (b) Weather charts
- (c) Navigation
- (d) Navaids
- (4) Physiological Training
- (a) Respiration
- (b) Hypoxia
- (c) Effects of prolonged oxygen use
- (d) Decompression sickness
- (e) Vision
- (f) Altitude chamber (optional)
- (5) High-Altitude Systems and Components
- (a) Oxygen and oxygen equipment
- (b) Pressurization systems
- (c) High-altitude components
- (6) Aerodynamics and Performance Factors
- (a) Acceleration
- (b) G-forces
- (c) MACH Tuck and MACH Critical (turbojet airplanes)
- (7) Emergencies
- (a) Decompression
- (b) Donning of oxygen masks
- (c) Failure of oxygen mask, or complete loss of oxygen supply/system
- (d) In-flight fire
- (e) Flight into severe turbulence or thunderstorms
- b. Flight Training
- (1) Preflight Briefing
- (2) Preflight Planning
- (a) Weather briefing and considerations
- (b) Course plotting
- (c) Airplane Flight Manual
- (d) Flight plan
- (3) Preflight Inspection
- (a) Functional test of oxygen system, including the verification of supply and pressure, regulator operation, oxygen flow, mask fit, and cockpit and air traffic control (ATC) communication using mask microphones
- (4) Engine Start Procedures, Runup, Takeoff, and Initial Climb
- (5) Climb to High Altitude and Normal Cruise Operations While Operating Above 25,000 Feet MSL
- (6) Emergencies
- (a) Simulated rapid decompression, including the immediate donning of oxygen masks
- (b) Emergency descent
- (7) Planned Descents
- (8) Shutdown Procedures
- (9) Postflight Discussion
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