Document ID: chunk:federal_register_of_legislation:F2025C00050:body:0:p255
Version: federal_register_of_legislation:F2025C00050
Segment Type: other
Provision Reference: 
Character Range: 884841–888530

the conditions leading thereto;
(c)           the appropriate recovery action.
2.6                    Autorotative flight
2.6.1              Explain the meaning of each of the following terms:
(a)           autorotative force;
(b)           autorotative section.
2.6.2              Describe the effect on autorotative flight of variations in:
(a)           all-up-weight;
(b)           density altitude;
(c)           airspeed;
(d)           rotor RPM.
2.6.3              Describe the vectors acting on a rotor blade section during forward autorotative flight.
2.6.4              Explain the vectors acting on a rotor blade section during an autorotative flare.
2.7                    Other conditions
2.7.1              Explain the following phenomena and the conditions that can lead to them arising and the appropriate recovery actions to be taken when they arise:
(a)           ground resonance;
(b)           mast bumping;
(c)           dynamic roll-over.

Unit 1.3.4 CADG:  CPL aerodynamics – gyroplane

1. Aerodynamics

1.1 Rotor blade aerodynamics
    1.1.1 Explain the aerodynamic properties of a rotor blade in respect to the following:
     (a) aerofoil shape;
     (b) blade twist.
    1.1.2 Explain the meaning of the following terms:
     (a) rotor force;
     (b) rotor drag;
     (c) total resultant;
     (d) relative wind;
     (e) rotational airflow;
     (f) dissymmetry of lift;
     (g) centrifugal force;
     (h) blade coning;
     (i) blade flapping/overteetering;
     (j) retreating blade stall;
     (k) translational lift.
    1.1.3 Explain the vectors acting on a rotor blade in flight.
    1.1.4 Calculate rotor disc loading.
         1.1.5 Explain the causes and effects of, and avoidance and correct recovery procedure for, the following:
     (a) power pushover;
     (b) flight on backside of the power curve;
     (c) flight behind the power curve;
     (d) rotor vibration on take-off;
     (e) negative flight load manoeuvres;
     (f) high-speed flight;
     (g) ground resonance;
     (h) pilot-induced oscillation;
     (i) lift off/low airspeed and high angle of attack.

2. Autorotative flight
2.1 Explain the meaning of the following terms:
     (a) autorotation;
     (b) autorotation in forward flight;
     (c) vertical autorotation.

3. Manoeuvres
3.1 Explain the relationship between speed, bank angle, radius and rate of turn during a balanced level turn.
3.2 For a given IAS, determine the approximate angle of bank to achieve a rate 1 turn (360º in 2 minutes).
3.3 Explain height/velocity diagram.

Unit 1.3.5                                   CADP:  CPL aerodynamics – powered-lift – Reserved

Unit 1.3.6                                   CADS:  CPL aerodynamics – airship – Reserved

Section 1.4                         ATPL Aircraft General Knowledge (AG)

Unit 1.4.1                                   AGKC:  ATPL aircraft general knowledge – all aircraft categories

1.                       Reserved

2.                       Advanced aerodynamics
2.1.1              Explain the following airspeeds;
(a)           IAS;
(b)           CAS;
(c)           EAS;
(d)           TAS.
2.1.2              Explain the aerodynamic forces acting on an aircraft in flight.

3.                       Airframe and systems
3.1                    Actuating systems
3.1.1              With reference to the basic principles of hydromechanics, explain and compare the following:
(a)           transmission of force by an incompressible fluid;
(b)           transmission of force by a compressible fluid.
3.2                    Hydraulic systems
3.2.1              For the following:
(a)           describe the functioning of a typical hydraulic system