Document ID: chunk:federal_register_of_legislation:F2025C00050:body:0:p268
Version: federal_register_of_legislation:F2025C00050
Segment Type: other
Provision Reference: 
Character Range: 932184–936538

(AVADS)
(a)           AVADS:
(i)             principles of operation;
(ii)            warnings;
(iii)          limitations.
7.2                    Rotor overspeed and underspeed warning system components
(a)           inputs;
(b)           outputs.
7.3                    Health Usage Monitoring System (HUMS)
(a)           actuation;
(b)           down loading.
Unit 1.4.4                                   AAGP:  ATPL aircraft general knowledge – powered‑lift – Reserved

Unit 1.4.5                                   FAGC:  FE aircraft general knowledge – all categories

1.                       Reserved

2.                       Advanced aerodynamics
2.1                    Terminology
2.1.1              Definitions
(a)           Mach No;
(b)           reference speeds, including MCRIT, VMO, MMO, Vs.
2.2                    Aerodynamic forces
(a)           forces acting in flight;
(b)           VMCA and VMCG.
2.3                    Shock waves
(a)           reasons for their formation at subsonic speeds;
(b)           their effect on the handling and operation of the aircraft;
(c)           high-speed buffet and its possible similarity to low-speed buffet and speedbrake buffet.
2.4                    Performance and speed
2.4.1              performance degradation, the effect of Mach drag on thrust required and fuel flow.

3.                       Airframe and systems
3.1                    Flight Controls
3.1.1              Review flight controls:
(a)           primary flight controls:
             1.          ailerons, elevators, rudder;
(b)           secondary flight controls:
             1.          spoilers/airbrakes;
             2.          trim systems:
flying tail, stabiliser trim.
3.1.2              Leading edge flaps:
(a)           review trailing edge flaps;
(b)           leading edge flaps/devices:
             1.          purpose/function of LE flaps;
             2.          types in common use;
             3.         typical interconnection with TE flaps;
(c)           common methods of operation:
             1.          hydraulic, electric, pneumatic (outline only; actuating systems are at later section).
3.1.3              Powered controls:
(a)           methods of transmitting demand to control surfaces;
(b)           feedback;
(c)           feel, natural/artificial;
(d)           possibility/availability of manual reversion.
3.2                    Landing gear
3.2.1              Wheel systems;
(a)           arrangements:
(i)             multi-wheel;
(ii)            bogie wheel;
(iii)          effects on PCN/CAN;
(b)           main components;
(c)           brief outline of typical retract/extend operation:
(i)             normal, alternate, emergency operation;
(ii)            LG doors may be disabled under some conditions;
3.2.2              Wheels and tyres
(a)           wheels and brake energy limits, thermal plugs;
(b)           cooling charts, minimum turn-around times.
3.2.3              Braking systems
(a)           typical multi-wheel systems:
(i)             typical sources of power for normal, alternate, emergency use:
(A)          hydraulic supply and back-up;
emergency air bottles.
(b)           parking brake;
(c)           principles of operations/limitations of:
(i)             anti skid system;
(ii)            auto brake system.
3.2.4              Steering systems
(a)           types available:
(i)             rudder pedal steering;
(ii)            hand/wheel/tiller steering;
(iii)          body-gear steering on some aircraft;
(b)           degree of steering commonly available with each:
(i)             understand that some steering systems are incompatible with asymmetric brake and/or power, while others are improved by them.
3.3                    Actuating systems
3.3.1              Pneumatic systems
(a)           basic system knowledge as for hydraulics;
(b)           compare system differences with hydraulic system;
(c)           compare operating differences with hydraulic system:
(i)             speed of response;
(ii)            force available;
(iii)          supply of operating fluid;
(iv)          weight of system.
(d)           airconditioning and pressurisation.
3.3.2              Typical air supply system
(a)           power sources:
(i)             engine driven compressors;
(ii)            bleed air:
(A)          gas turbine