Chapter 10
Advanced Flight Maneuvers .............................10-1
Introduction ..................................................................10-1
Reconnaissance Procedures .........................................10-2
High Reconnaissance ...............................................10-2
Low Reconnaissance ................................................10-2
Ground Reconnaissance ...........................................10-2
Maximum Performance Takeoff ..................................10-2
Technique .................................................................10-3
Common Errors ........................................................10-3
Running/Rolling Takeoff .............................................10-3
Technique .................................................................10-4
Common Errors ........................................................10-4
Rapid Deceleration or Quick Stop ..............................10-4
Technique .................................................................10-4
Common Errors ........................................................10-5
Steep Approach ............................................................10-5
Technique .................................................................10-6
Common Errors ........................................................10-6
Shallow Approach and Running/Roll-On Landing ......10-6
Technique .................................................................10-7
Common Errors ........................................................10-7
Slope Operations ..........................................................10-7
Slope Landing ..........................................................10-8
Technique .............................................................10-8
Common Errors ....................................................10-8
Slope Takeoff ...........................................................10-8
Technique .............................................................10-9
Common Errors ....................................................10-9
Confined Area Operations ...........................................10-9
Approach ................................................................10-10
Takeoff ..................................................................10-10
Common Errors ......................................................10-10
Pinnacle and Ridgeline Operations ............................10-11
Approach and Landing ...........................................10-11
Takeoff ...................................................................10-11
Common Errors ......................................................10-12
Chapter Summary ......................................................10-12
Chapter 11
Helicopter Emergencies and Hazards .............11-1
Introduction ..................................................................11-1
Autorotation .................................................................11-2
RPM Control ............................................................11-3
Risk Management during Autorotation Training ....11-3
Straight-In Autorotation ...........................................11-4
Technique (How to Practice) ................................11-4
Common Errors ....................................................11-5
Autorotation with Turns ...........................................11-6
Common Errors ....................................................11-7
Practice Autorotation with a Power Recovery ........11-7
Technique (How to Practice) ................................11-7
Common Errors ....................................................11-8
Practicing Power Failure in a Hover ........................11-8
Technique (How to Practice) ................................11-8
Common Errors ....................................................11-9
Vortex Ring State ........................................................11-9
Common Errors—Traditional Recovery ................11-10
Common Errors—Vuichard Recovery ...................11-10
Retreating Blade Stall ................................................11-10
Common Errors ......................................................11-11
Ground Resonance .....................................................11-11
Dynamic Rollover ......................................................11-11
Critical Conditions .................................................11-12
Cyclic Trim.............................................................11-12
Normal Takeoffs and Landings ..............................11-13
Slope Takeoffs and Landings .................................11-13
Use of Collective ....................................................11-13
Precautions .............................................................11-13
Low-G Conditions and Mast Bumping ......................11-14
Low Rotor RPM and Rotor Stall ...............................11-15
System Malfunctions .................................................11-16
Antitorque System Failure......................................11-16
Landing—Stuck Left Pedal ....................................11-17
Landing—Stuck Neutral or Right Pedal ...............11-17
Loss of Tail Rotor Effectiveness (LTE) .................11-18
Main Rotor Disk Interference (285–315°) ..........11-20
Weathercock Stability (120–240°) .....................11-20
Tail Rotor Vortex Ring State (210–330°) ...........11-21
LTE at Altitude ...................................................11-21
Reducing the Onset of LTE ................................11-21
Recovery Technique (Uncontrolled
Right Yaw) ..........................................................11-21
Main Drive Shaft or Clutch Failure ........................11-21
Hydraulic Failure ....................................................11-22
Governor or Fuel Control Failure ...........................11-22
Abnormal Vibration ...............................................11-22
Low-Frequency Vibrations .................................11-22
Medium- and High-Frequency Vibrations ..........11-23
Tracking and Balance .........................................11-23
Multiengine Emergency Operations ..........................11-23
Single-Engine Failure ............................................11-23
Dual-Engine Failure ..............................................11-23
Lost Procedures ..........................................................11-23
VFR Flight into Instrument Meteorological
Conditions ..................................................................11-24
Emergency Equipment and Survival Gear .................11-27
Chapter Summary ......................................................11-27
