Index
Abnormal Vibrations .................................................11-22
Accessory Gearbox ......................................................4-10
Advancing Blade ..........................................................2-19
After Landing and Securing ...........................................8-6
Aircraft Servicing ...........................................................8-3
Airflow
horizontal part.............................................................2-9
vertical part .................................................................2-9
Airflow in Forward Flight ............................................2-19
Airfoil .............................................................................2-7
nonsymmetrical airfoil (cambered) ............................2-8
symmetrical Airfoil ....................................................2-8
Airframe .........................................................................4-1
Angle of attack (AOA) ..........................................2-8,2-13
Angle of incidence ................................................ 2-8,2-12
Anti-Icing Systems .......................................................4-19
Antitorque Drive Systems ..............................................4-8
Antitorque Pedals ....................................................1-6,3-4
Antitorque System .........................................................4-7
Fenestron ....................................................................4-7
NOTAR® ...................................................................4-8
Antitorque System Failure .........................................11-16
Approach and Landing ......................................10-11,12-9
Approaches ..................................................................9-18
Astigmatism .................................................................12-2
Atmospheric Illusions ................................................12-10
Autopilot ......................................................................4-18
Autorotation ................................................2-25,2-26,11-2
Autorotational Performance ...........................................7-4
Autorotation With Turns ..............................................11-6
Bearingless Rotor System ..............................................4-4
Belt Drive Clutch .........................................................4-12
Bernoulli's Principle .......................................................2-3
Blade span ......................................................................2-7
Callouts ......................................................................13-18
Carburetor Ice ..............................................................4-14
Center of Gravity ...........................................................6-2
Center of pressure ..........................................................2-8
Centrifugal Clutch ........................................................4-12
CG Aft of Aft Limit .......................................................6-3
Chord..............................................................................2-8
Chord line .......................................................................2-8
Clutch ...........................................................................4-12
Coaxial rotors ..........................................................1-4,4-6
Cockpit Lights ..............................................................12-8
Collective pitch control ...........................................1-5,3-2
Collision Avoidance at Night .......................................12-9
Combustion Chamber ..................................................4-10
Compressor ....................................................................4-9
Coning ..........................................................................2-15
Control Inputs
cyclic ..........................................................................1-5
Coriolis Effect (Law of Conservation of Angular
Momentum) ..................................................................2-16
Critical Conditions .....................................................11-12
Crosswind Considerations During Takeoffs ................9-13
d’Amécourt, Gustave de Ponton ....................................1-1
Decision-Making Process ............................................13-4
Density Altitude .............................................................7-2
Determining Empty Weight ...........................................6-2
Dissymmetry of Lift .....................................................2-23
Downwash ....................................................................2-11
Drag .........................................................................2-3,2-6
induced drag ...............................................................2-7
parasite drag ...............................................................2-7
profile drag .................................................................2-6
total drag .....................................................................2-7
Dynamic Rollover ......................................................11-11
Effective Translational Lift (ETL) ...............................2-22
Effect of Weight Versus Density Altitude .....................7-3
elastomeric bearings .......................................................4-6
Electrical Systems ........................................................4-16
Emergency Equipment and Survival Gear .................11-27
Engine Fuel Control System ........................................4-14
Engines ...........................................................................4-8
reciprocating engine ...................................................4-8
turbine engine .............................................................4-8
Engine Starting and Rotor Engagement ................8-3,12-8
En Route Procedures ....................................................12-9
Environmental Systems ...............................................4-18
Fenestron ........................................................................1-3
Flicker Vertigo .............................................................12-7
Flight Mode Annunciator (FMA) ..............................13-18
Flightpath velocity .........................................................2-8
Four Fundamentals .........................................................9-2
Freewheeling Unit ..........................................................4-7
Fuel Supply System .....................................................4-13
Fuselage .........................................................................4-2
General Aviation Manufacturers Association (GAMA) 5-1
Go-Around ...................................................................9-20
Governor/Correlator .......................................................3-2
Ground Lighting Illusions ..........................................12-10
Ground Reference Maneuvers .....................................9-13
rectangular course.....................................................9-14
S-turns ......................................................................9-15
turns around a point ..................................................9-16
Ground Resonance .....................................................11-11
Gyroscopic Precession .................................................2-17
Heading Control .............................................................3-4
Height/Velocity Diagram ...............................................7-2
helicopter ........................................................................1-1
Helicopter Night VFR Operations .............................12-10
High and Low Density Altitude Conditions ..................7-2
Hovering
flight .........................................................................2-14
forward flight ..............................................................9-9
performance ................................................................7-4
sideward flight ............................................................9-9
taxi ............................................................................9-10
turn .............................................................................9-7
Hub .................................................................................2-9
Humidity ........................................................................7-2
Hydraulics ....................................................................4-16
Illusions Leading to Landing Errors ............................12-9
Induced flow ......................................................... 2-8,2-22
downwash .................................................................2-11
In-Ground Effect ..........................................................2-12
Intermeshing rotors .................................................1-4,4-6
Kaman, Charles H. .........................................................1-2
Landing
stuck left pedal........................................................11-17
stuck neutral or right pedal .....................................11-17
Leading edge ..................................................................2-8
Lift ..................................................................................2-3
Loading Chart Method ...................................................6-4
Low-G Conditions and Mast Bumping ......................11-14
Low Reconnaissance ....................................................10-2
Low Rotor RPM and Rotor Stall ...............................11-15
LTE at Altitude ..........................................................11-21
Main Rotor
disk interference (285–315°) ..................................11-20
system .........................................................................4-2
transmission ..............................................................4-11
Maximum Performance Takeoff ..................................10-2
Medium and High Frequency Vibrations ..................11-23
Minimum Equipment Lists (MELs) and Operations with
Inoperative Equipment ...................................................8-2
Moisture .........................................................................7-2
Multi-Engine Emergency Operations ........................11-23
Myopia .........................................................................12-2
Newton’s Third Law of Motion .....................................2-5
Night Flight ..................................................................12-7
Night Myopia ...............................................................12-2
Night Traffic Patterns ..................................................12-8
Night Vision .................................................................12-4
Normal Approach to a Hover .......................................9-19
Normal Approach to the Surface .................................9-20
Normal Descent .............................................................9-5
Normal Takeoff From a Hover ....................................9-12
Normal Takeoff From the Surface ...............................9-12
Normal Takeoffs and Landings .................................11-13
NOTAR® .......................................................................1-3
Obstruction Detection ..................................................12-5
Oculogravic illusion ...................................................13-13
Out of Ground Effect ...................................................2-12
Passengers ......................................................................8-4
PAVE Checklist ...........................................................13-6
Pendular Action ...........................................................2-15
Performance Charts ........................................................7-2
climb performance ......................................................7-6
Pilot at the Flight Controls .............................................8-6
Pinnacle and Ridgeline Operations ............................10-11
Pitch Control ................................................................2-17
Powered Flight .............................................................2-14
Power Failure in a Hover .............................................11-8
Practice Autorotation With A Power Recovery ...........11-7
Preflight ................................................................. 8-2,12-7
Presbyopia ....................................................................12-2
Ramp Attendants and Aircraft Servicing Personnel ......8-4
Rapid Deceleration or Quick Stop ...............................10-4
Rearward Flight ...........................................................2-24
Reciprocating Engines .................................................4-14
Reconnaissance Procedures .........................................10-2
Recovery From Low Rotor RPM ...............................11-16
Recovery Technique ..................................................11-21
Relative-Motion Illusion ..............................................12-6
Relative wind .......................................................... 2-8,2-9
Resultant relative wind ........................................... 2-8,2-9
Retreating Blade ...........................................................2-20
Retreating Blade Stall ................................................11-10
Reversible Perspective Illusion ....................................12-6
Rigid Rotor System ........................................................4-3
Rods .............................................................................12-4
Root ................................................................................2-9
Rotational Relative Wind (Tip Path Plane) ...................2-9
Rotorcraft .......................................................................1-1
Rotorcraft Flight Manual (RFM) ...................................5-1
aircraft and systems description .................................5-5
emergency procedures ................................................5-4
general information ....................................................5-2
handling, servicing, and maintenance ........................5-5
normal procedures ......................................................5-5
operating limitations ...................................................5-2
airspeed ...................................................................5-2
altitude ....................................................................5-3
flight ........................................................................5-4
placards ...................................................................5-4
powerplant ..............................................................5-3
rotor .........................................................................5-3
weight and loading distribution ..............................5-4
performance ................................................................5-5
preliminary pages .......................................................5-2
safety and operational tips ..........................................5-6
supplements ................................................................5-6
weight and balance .....................................................5-5
Rotor Safety Considerations ..........................................8-3
Rotor System ..................................................................1-3
Running/Rolling Takeoff .............................................10-3
Shallow Approach and Running/Roll-On Landing ......10-6
Sideward Flight ............................................................2-23
Sikorsky, Igor .................................................................1-2
Single-Engine Failure ................................................11-23
Slips................................................................................9-4
Slope Takeoff ...............................................................10-8
Slope Takeoffs and Landings .....................................11-13
Stability Augmentations Systems ................................4-17
Structural Design .........................................................4-12
Swash Plate Assembly ...................................................4-6
synchropter .....................................................................1-4
System Malfunctions .................................................11-16
Takeoff .......................................................................10-10
Tandem rotor ...........................................................1-3,4-6
Taxiing .........................................................................9-10
Taxi Technique ............................................................12-8
The Effect of Weight Versus Density Altitude ..............7-3
The Four Fundamentals .................................................9-2
Throttle ...........................................................................1-6
Throttle Control .............................................................3-2
Thrust ......................................................................2-3,2-6
Tip ..................................................................................2-9
Traffic Patterns .............................................................9-17
Trailing edge ..................................................................2-8
Translating Tendency or Drift .....................................2-15
Translational Lift .........................................................2-21
Transmission System ...................................................4-10
Transverse Flow Effect ................................................2-23
Turbine .........................................................................4-10
Turbine Age ...................................................................1-2
Turbine Engines ...........................................................4-16
Turning Flight ..............................................................2-24
Turns ..............................................................................9-3
Twist ..............................................................................2-9
Unanticipated Yaw/Loss of Tail Rotor Effectiveness
(LTE) ..........................................................................11-18
Use of Collective ........................................................11-13
Venturi effect .................................................................2-4
Vertical Flight ..............................................................2-17
Vertical Takeoff to a Hover ...........................................9-6
VFR Flight into IMC .................................................11-24
Vision in Flight ............................................................12-2
Visual Acuity ...............................................................12-3
Visual Deficiencies ......................................................12-2
Vortex Ring State .........................................................11-9
Vuichard Recovery ....................................................11-10
Weathercock Stability (120-240°) .............................11-20
Weight .........................................................2-3,2-5,6-2,7-2
Weight and Balance Calculations ..................................6-4
Winds .............................................................................7-2