Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(subregulation 2(1), definition of CASA maintenance schedule )
1.1 An inspection (in this Part called a daily inspection ) must be carried out on the aircraft before the aircraft's first flight on each day on which the aircraft is flown.
1.2 A daily inspection must consist of the making of such of the checks set out in the table at the end of this Part as are applicable to the aircraft.
Table of checks included in a daily inspection
(1) Check that the ignition switches are off, the mixture control is lean or cut off, the throttle is closed and the fuel selector is on.
(2) Check that the propeller blades are free from cracks, bends and detrimental nicks, that the propeller spinner is secure and free from cracks, that there is no evidence of oil or grease leakage from the propeller hub or actuating cylinder and that the propeller hub, where visible, has no evidence of any defect which would prevent safe operation.
(3) Check that the induction system and all cooling air inlets are free from obstruction.
(4) Check that the engine, where visible, has no fuel or oil leaks and that the exhaust system is secure and free from cracks.
(5) Check that the oil quantity is within the limits specified by the manufacturer for safe operation and that the oil filler cap, dipstick and inspection panels are secure.
(6) Check that the engine cowlings and cowl flaps are secure.
(7) Check that the landing gear tyres are free from cuts or other damage, have no plies exposed and, by visual inspection, are adequately inflated.
(8) Check that the landing gear oleo extensions are within normal static limits and that the landing gear doors are secure.
(9) Check that the wing and fuselage surfaces are free from damage and that the inspection panels, flight control surfaces and flight control devices are secure.
(10) Check that the interplane and centre section struts are free from damage and that the bracing wires are of the correct tension.
(11) Check that the pitot heads and static ports are free from obstruction and that the pitot cover is removed or is free to operate.
(12) Check that the fuel tank filler caps, chains, vents and associated access panels are secure and free from damage.
(13) Check that the empennage surfaces are free from damage and that the control surfaces control cables and control rods, where visible, are secure.
(14) Check that the canard surfaces are free from damage and that the control surfaces, control cables and control rods, where visible, are secure.
(15) Check that the flight controls, the trim systems and the high lift devices operable from the ground have full and free movement in the correct sense.
(16) Check that the radios and antennae are secure and that where visible, radio units and interwiring are secure.
(17) Check that the drain holes are free from obstruction.
(18) Check that there is no snow, frost or ice on the wings, tail surfaces, canards, propeller or windscreen.
(19) Check that each tank sump and fuel filter is free from water and foreign matter by draining a suitable quantity of fuel into a clean transparent container.
(20) Check that the windscreen is clean and free from damage.
(21) Check that the instruments are free from damage, legible and secure.
(22) Check that the seat belts, buckles and inertia reels are free from damage, secure and functioning correctly.
Section 2 Additional items for agricultural aeroplanes
(1) Check that the agricultural equipment is secure.
(2) Check that the dump and fan brake mechanisms are free from obstructions and operate correctly.
Section 3 Additional items for seaplanes
(1) Check that the hull and floats are free from damage, corrosion and water accumulation.
(2) Check that the float attachment struts, bracing wires and attachment fittings are secure and free from damage and corrosion.
(3) Check that the water rudder and its attachments are secure and free from damage and corrosion and that the water rudder has full, free and correct travel.
2.1 Subject to paragraph 2.2, an inspection (in this Part called a periodic inspection ) must consist of the taking of the actions set out in the table at the end of this Part as applicable to the aircraft.
2.2 The holder of a certificate of registration for a class B aircraft may elect to have a section or sections of the periodic inspection carried out on the aircraft at a different time from the other sections.
2.3 A periodic inspection must be carried out on a private aircraft within the period of 1 year from:
(a) the day on which the aircraft's current certificate of airworthiness was issued; or
(b) the day on which the most recent general maintenance inspection on the aircraft was completed;
whichever is the later.
2.4 Subject to paragraph 2.5, a periodic inspection must be carried out on a class B aircraft that is not a private aircraft within whichever of the following periods expires first:
(a) one year from:
(i) the day on which the aircraft's current certificate of airworthiness was issued; or
(ii) the day on which the most recent general maintenance inspection on the aircraft was completed;
whichever is the later;
(b) the aircraft has been in service for 100 hours since:
(i) the aircraft's current certificate of airworthiness was issued; or
(ii) the most recent general maintenance inspection on the aircraft was completed;
whichever occurred later.
2.5 In spite of paragraph 2.4, if the holder of the certificate of registration for a class B aircraft that is not a private aircraft has elected under paragraph 2.2 to have the sections of the periodic inspection carried out on the aircraft at different times, the following provisions have effect:
(a) the first carrying out of each section of the periodic inspection on the aircraft after the election is made must be carried out within whichever of the following periods expires first:
(i) 18 months from:
(A) the day on which the aircraft's current certificate of airworthiness was issued; or
(B) the day on which the most recent general maintenance inspection on the aircraft was completed;
whichever is the later;
(ii) the aircraft has been in service for 150 hours since:
(A) the aircraft's current certificate of airworthiness was issued; or
(B) the most recent general maintenance inspection on the aircraft was completed;
whichever occurred later;
(b) each subsequent carrying out of each section of the periodic inspection must be carried out within whichever of the following periods expires first:
(i) the aircraft has been in service for 100 hours since the section concerned was most recently carried out on the aircraft;
(ii) 1 year from the day on which the section concerned was most recently carried out on the aircraft.
2.6 In this Part:
"general maintenance inspection" means a regular inspection and check of a class B aircraft, its systems and components that:
(a) is required by the aircraft's maintenance schedule to be carried out at regular intervals; and
(b) is not required to be carried out before the aircraft's first flight on each day on which the aircraft is flown.
"private aircraft" means an aircraft:
(a) that is a class B aircraft; and
(b) that has a maximum take off weight of 5700 kg or less; and
(c) that is only used in private operations by:
(i) the owner of the aircraft; or
(ii) a person to whom the owner has provided the aircraft without receiving any remuneration from the person.
2.7 Unless otherwise indicated in the table, where the table requires a thing to be inspected, the inspection is to be a thorough check made to determine whether the thing will continue to be airworthy until the next periodic inspection.
Table of actions included in a periodic inspection
(1) Check the external and internal required placards.
Note: Reference should be made to the aircraft flight manual and airworthiness directives for the required placards.
(2) Take the following action in relation to the mainplane and empennage (including canards) of the aircraft:
(a) inspect the skins for evidence of wrinkles, buckles, sheared or loose rivets, corrosion, disbonds and general damage;
(b) if the skin is fabric, check the strength of the fabric;
(c) inspect the internal structures and spars;
(d) inspect the lift struts, interplane struts, jury struts, spreaders, chafing discs and bracing wires;
(e) inspect the flight control surfaces, slats, spoilers, tabs, flaps, mass balance weight attachments, hinge brackets, tracks and rollers;
(f) inspect the flight control system bellcranks, push pull rods, torque tubes, cables, fairleads, turnbarrells and pulleys;
(g) inspect the wing and empennage to fuselage attachments and surrounding structure;
(h) lubricate as necessary.
(3) Take the following action in relation to the fuselage:
(a) inspect the fuselage skin for evidence of wrinkles, buckles, sheared or loose rivets, corrosion, disbonds and general damage;
(b) inspect the areas around cut - outs (such as windows and inspection apertures) for cracks and inspect the sealing and fit of all doors and emergency exits;
(c) inspect the interior;
(d) inspect the strength of the fabric covering on surfaces;
(e) inspect the internal structure;
(f) inspect the locks, latches and hinges of doors, canopy, windows which may be opened and direct vision windows;
(g) check that the windshields and windows are clean and free from crazing, cracking, discoloration, delamination and scratches;
(h) inspect the seats, seat attachments, seat adjustment mechanisms, seat stops, seat belts, safety harnesses and inertia reels;
(j) inspect the control wheels, control columns, rudder pedals, control levers, control system bellcranks, push pull rods, torque tubes and cables;
(k) operate all trim controls through the complete range of travel and check them for correct trim position indication;
(l) inspect the brake master cylinders, brake lines, reservoirs, parking brake linkage and mechanical brake system operating mechanisms;
(m) check the cabin fire extinguisher for correct charge, legibility of operating instructions and condition of locking pin or seal and ensure that the extinguisher has not reached its expiry date;
(n) inspect the heating and fresh air system ducting and outlets and the airflow control valves;
(p) inspect the emergency and flotation equipment and ensure that the equipment has not reached its expiry date;
(q) lubricate as necessary.
(4) Jack the aircraft so that the landing gear is clear of the ground and take the following action:
(a) inspect the undercarriage attachment to the airframe;
(b) inspect the structural members, drag and side braces, compression members, oleo struts, bracing struts and torque links;
(c) inspect the leaf or tube spring shock absorbing units and bungee rubber;
(d) inspect the flexible hoses;
(e) inspect the main wheels and tyres and the nose or tail wheels and tyres;
(f) clean the wheel bearings, check that they are free from scoring and brinelling, re - lubricate them, re - install them and adjust the bearing pre - load;
(g) inspect the brake linings or pads and the brake drums or discs;
(h) inspect the brake lines and flexible hoses;
(j) inspect the nosewheel or tailwheel steering mechanism and the shimmy dampener;
(k) inspect the landing gear retraction mechanism, the door and the door operating linkage;
(l) carry out an operational check of the landing gear and doors and ensure that the adjustment of downlocks, overcentre links, uplocks and spring tensions are within the manufacturer's specified limits;
(m) lubricate as necessary.
(5) Take the following action in relation to the fuel system:
(a) inspect the fuel tanks (where visible), lines, drains, vents, signs, filler caps, filler cap securing chains or cables, filler cap seals and scupper drains;
(b) inspect the fuel selector valves;
(c) inspect the fuel selector valve operating linkage.
(6) Take the following action in relation to the hydraulic system:
(a) remove, clean, and refit the hydraulic system filter element, or if it is unserviceable, install a new filter element;
(b) inspect the hydraulic system reservoirs, powerpack, accumulators, selector valves, hand pump, pipelines and flexible hoses.
(7) Inspect the anti - icing and de - icing systems.
(8) Inspect the air - conditioning evaporator, condenser and compressor and the air - conditioning ducting, pipelines and units.
(9) Inspect the pressurisation control system and indication system.
(10) Take the following additional action if the aircraft is used in agricultural operations:
(a) inspect the hopper, hopper lid and fasteners, baffles and internal braces;
(b) inspect the spreader, spreader gate and controls;
(c) inspect the spray pump fan, fan mount, fan brake, spray pump lines, booms and boom supports;
(d) inspect the emergency dump doors and dump controls.
(11) Take the following additional action if the aircraft is a seaplane:
(a) inspect the external covering and internal structure of the floats or hull;
(b) drain the bilge compartments, refit and re - lock the drain plugs;
(c) inspect the float attachment struts, bracing wires and attachment fittings;
(d) inspect the water rudders, water rudder attachments and water rudder controls, operate and check them for full and free movement in the correct sense and for correct locking;
(e) inspect the protective treatment and finish.
(1) Check the external and internal required placards.
Note: Reference should be made to the aircraft flight manual and airworthiness directives for the required placards.
(2) Take the following action in relation to the cowls:
(a) remove, clean and inspect the cowls, cowl flaps and fastenings.
(3) Inspect , and record the compression of, each cylinder.
(4) Take the following action in relation to the engine oil system:
(a) drain the sump or tank and refit the plug and lockwire;
(b) drain the oil cooler and refit and secure the hose;
(c) either:
(i) remove, inspect, clean and refit the pressure filter and lockwire; or
(ii) remove, open and inspect the cartridge full flow filter and fit a new cartridge and lockwire;
(d) inspect the oil cooler, oil temperature control valves, oil tank and attachment fittings;
(e) inspect all oil lines, fittings, breather pipe and the oil cooler shutter;
(f) refill the sump or tank with the recommended grade and quantity of oil.
(5) Take the following action in relation to the ignition system:
(a) remove the spark plugs, clean and inspect them, check the spark plug electrode gap, test the spark plugs and renew them if required;
(b) inspect the spark plug high tension leads and ceramics;
(c) inspect the magneto housing;
(d) inspect the breaker compartment and cam follower;
(e) inspect the breaker points for serviceability and check the breaker points gap, magneto engine timing and synchronisation;
(f) inspect the switch and earth leads;
(g) refit and torque the spark plugs;
(h) refit the spark plug high tension leads.
(6) Take the following action in relation to the fuel system:
(a) place the fuel selector in the off position;
(b) remove, inspect, clean and refit the fuel strainers and screens and lockwire;
(c) drain and flush the carburettor fuel bowl and refit the plug and lockwire;
(d) inspect the carburettor or fuel injection components;
(e) inspect the throttle and mixture shafts;
(f) inspect all fuel lines and fittings;
(g) move the fuel selector from the off position;
(h) inspect the auxiliary fuel pump for operation;
(j) pressurise and purge the fuel system and inspect it for leaks.
(7) Take the following action in relation to the induction system:
(a) remove the air filters, clean them, inspect them and refit or renew them;
(b) inspect the hot and alternate air systems for the integrity of seals and for serviceability of valves, shafts, bearings, magnets and hinges;
(c) inspect the induction manifold and hoses.
(8) Take the following action in relation to the exhaust system:
(a) inspect the exhaust system;
(b) remove the muffler shroud, inspect the muffler and refit the shroud;
(c) inspect the muffler internally for security of baffle cones;
(d) inspect the cabin heat flexible hoses.
(9) Take the following action in relation to the engine cylinders and baffles:
(a) inspect the cylinder assemblies;
(b) inspect the cylinder base to the crankcase area;
(c) inspect the rocker covers;
(d) inspect the push rod housing seals.
(10) Take the following action in relation to the crankcase, accessory housing and firewall:
(a) inspect the engine for evidence of oil leakage;
(b) inspect the accessories and drive belts;
(c) inspect the engine mounts and engine mountbolts;
(d) inspect the engine mount frame;
(e) inspect the firewall, including seals and sealant.
(11) Inspect the following controls for full and free movement in the correct sense:
(a) throttle, mixture and propeller;
(b) alternate air and carburettor heat;
(c) engine bay fuel strainer controls;
(d) oil cooler shutter and cowl flap;
(e) turbocharger.
(12) Take the following action in relation to the propeller:
(a) inspect the propeller for static track;
(b) inspect the propeller hub, spinner and backplate;
(c) inspect the wooden propeller attachment bolts;
(d) inspect the blades;
(e) inspect the counterweights;
(f) lubricate the propeller hub;
(g) service the propeller hub with air.
(13) Take the following action in relation to the turbocharger:
(a) remove the heat shield and inspect the turbocharger housing for cracks and oil leaks from the inlet and outlet ports;
(b) inspect the compressor and turbine wheel;
(c) inspect the rotating assembly bearing for end float;
(d) inspect the turbocharger mount;
(e) inspect the transition assembly, the induction and exhaust components and the clamps;
(f) inspect the upper deck pressure manifold and hoses;
(g) lubricate the waste gate linkages and the butterfly valve;
(h) inspect the flexible oil lines;
(j) inspect the controllers and actuators;
(k) inspect the compressor by - pass door;
(m) refit the heat shield.
(14) Take the following action in relation to the refitting of the cowls:
(a) check that no tooling, rags or other foreign objects remain in the compartment;
(b) inspect the latches and fasteners for correct tension;
(c) inspect the inlet and cooling air ducting;
(d) inspect the landing and taxi light wiring;
(e) inspect the cowl flap linkage and engine drain lines.
(15) Chock the wheels and check the brake operation, then set the park brake, start the engine and take the following action to determine satisfactory performance in accordance with the manufacturer's recommendations:
(a) stabilise the engine temperatures and pressures;
(b) check the idle speed, mixture and the magneto switch operation at low engine revolutions per minute;
(c) check the carburettor heat or alternate air operation;
(d) check the gyro or vacuum pressure indication;
(e) inspect the generator or alternator;
(f) check any unusual engine vibration or noises;
(g) check the engine response to throttle application;
(h) check each magneto and propeller governor for operation;
(j) check the static engine revolutions per minute, manifold pressure and fuel flow;
(k) check the idle cut - off operation.
(16) After taking the action described above , remove the cowls, inspect the engine for oil, fuel or other fluid leaks, then replace the cowls.
Section 3 The electrical system
(1) Check the external and internal required placards.
Note: Reference should be made to the aircraft flight manual and airworthiness directives for the required placards.
(2) Take the following action in relation to the air - conditioning system:
(a) inspect the distribution system electrical components and interwiring;
(b) inspect the heating and temperature control system;
(c) inspect the freon system electrical components and interwiring;
(d) inspect the air cycle system electrical components and interwiring.
(3) Take the following action in relation to the electrical power:
(a) inspect the AC generation system (including the generator, invertor, regulator, interwiring, control relays and switching);
(b) inspect the AC distribution system;
(c) inspect the DC generation system (including the generator, regulator, transformer or rectifier units, interwiring, control relays and switches);
(d) inspect the DC distribution system (including the busses, circuit breakers or fuses, relays, switches and interwiring);
(e) inspect the starter generator;
(f) inspect the indication systems;
(g) inspect the batteries;
(h) inspect the external power system.
(4) Take the following action in relation to electrical equipment and furnishing:
(a) inspect the flight compartment (including any spare bulbs and fuses);
(b) inspect the passenger compartment (including any spare bulbs and fuses);
(c) inspect the buffet or galley electrical systems, the lavatory compartment electrical systems and the cargo compartment electrical systems.
(5) Take the following action in relation to the following fire protection systems:
(a) inspect the engine fire detection system;
(b) inspect any other fire and smoke detection systems;
(c) inspect the engine fire extinguishing system;
(d) inspect any other fire extinguishing systems.
(6) Inspect the electrical components and interwiring of the following flight control systems:
(a) the trim and flap system;
(b) the lift dump and spoiler system;
(c) the lift augmenting system.
(7) Inspect the electrical components and interwiring of the fuel distribution and dump system.
(8) Inspect the electrical components and interwiring of the main and auxiliary hydraulic systems.
(9) Inspect the electrical components and interwiring of the following ice and rain protection systems:
(a) the anti/de - ice systems;
(b) the ice detection and indication systems.
(10) Inspect the systems and components that give audible or visual warnings.
(11) Inspect the electrical components and interwiring of the following landing gear systems:
(a) the extension and retraction systems;
(b) the wheels, brakes and anti - skid system;
(c) the nose wheel steering system;
(d) the position and warning system;
(e) the anti - retract system.
(12) Inspect lights in or on the following areas:
(a) the flight compartment, the passenger compartment and the cargo and service compartment;
(b) the exterior and emergency systems.
(13) Inspect the electrical components and interwiring of pneumatic systems.
(14) Inspect the electrical or electronic control panels, equipment racks and junction boxes.
(15) Inspect the electrical components and interwiring of passenger, crew and cargo doors.
(16) Inspect the electrical components and interwiring of the propeller control and anti/de - ice systems.
(17) Inspect the electrical harnesses, excluding the ignition harness.
(18) Inspect the electrical components and interwiring of the engine fuel and engine control systems.
(19) Take the following action in relation to the ignition:
(a) inspect the electrical power supplies;
(b) inspect the booster coils, vibrator systems and high energy ignition systems;
(c) inspect the switching, including by performing an insulation check of the magneto switch leads.
(20) Inspect the engine starting system.
(1) Check the external and internal required placards.
Note: Reference should be made to the aircraft flight manual and airworthiness directives for the required placards.
(2) Take the following action in relation to the auto - flight system:
(a) inspect the autopilot or the automatic flight control system, including the flight director and stability control augmentation;
(b) inspect the yaw damper system;
(c) inspect the speed - attitude correction system, including the auto - trim and mach - trim.
(3) Inspect the flight control surface indication systems.
(4) Inspect the fuel pressure and quantity indication systems.
(5) Inspect the hydraulic power indication system.
(6) Inspect the ice protection indication system.
(7) Take the following action in relation to indicating and recording systems:
(a) inspect the instrument and control panels;
(b) inspect the independent instrument systems, including the inclinometers, indicators and clocks;
(c) inspect the recorders, including the flight data recorders, performance or maintenance recorders.
(8) Take the following action in relation to navigation systems:
(a) inspect the flight environment data system, including:
(i) the central air data system; and
(ii) the pitot/static system, including instruments; and
(iii) the stall warning system;
(b) inspect the attitude and direction systems, including:
(i) the magnetic compass; and
(ii) the vertical attitude gyro system; and
(iii) the directional gyro system, including the magnetic referenced systems; and
(iv) the electronic flight instrument system and multi - function displays;
(c) inspect the independent position determining systems, including:
(i) the inertial navigation and reference systems; and
(ii) the ground proximity warning systems;
(d) inspect the flight management system, including the flight management and performance management systems.
(9) Take the following action in relation to oxygen systems:
(a) inspect the crew, passenger and portable systems;
(b) inspect the indicating systems.
(10) Inspect the pneumatic indicating systems, including the pressure gauge and warning indicators.
(11) Take the following action in relation to the instrument pressure or vacuum system:
(a) inspect the distribution system, including the filters, manifolds, regulating valves, check valves and plumbing;
(b) inspect the indicating system, including the pressure gauge and warning system.
(12) Inspect the engine indicating systems, including fuel flow, temperature and pressure.
(13) Take the following action in relation to the engine indicating systems:
(a) inspect the power indicating system;
(b) inspect the temperature indication system;
(c) inspect the integrated engine instrument system.
(14) Inspect the oil indicating systems, including quantity, pressure and temperature.
(15) Inspect the water injection indicating system.
(1) Check the interior and exterior required placards including frequency charts.
Note: Reference should be made to the aircraft flight manual and airworthiness directives for the required placards.
(2) Take the following action in relation to communication and navigation systems:
(a) inspect the accessible interwiring, plugs and sockets;
(b) inspect the microphones, headsets and cords;
(c) inspect the fuses for adequacy of spares;
(d) inspect the antennae and antenna insulators;
(e) inspect the Emergency Location Transmitter/Crash Location Beacon batteries for electrolyte leakage and check that the battery life has not expired;
(f) inspect the removable units, mounting racks, vibration isolators and bonding straps;
(g) inspect the switches and controllers;
(h) inspect the radio panel lamps for adequate illumination;
(j) inspect the radio indicators for legibility.
(3) Take the following additional action in relation to communication systems in aircraft equipped for IFR flight:
(a) inspect the HF communication system, including for correct performance by communication with ground stations or by other means;
(b) inspect the VHF communication system, including for correct performance by communication with ground stations or by other means;
(c) inspect the audio system, including for correct operation of all distribution and amplifying systems in all modes of operation.
(4) Take the following action in relation to navigation systems in aircraft equipped for IFR flight:
(a) check the ADF system for accuracy and correct performance in all modes of operation in accordance with the approved maintenance data for the system;
(b) check the VOR system for correct performance in accordance with the approved maintenance data for the system;
(c) check the localiser system for correct performance in accordance with the approved maintenance data for the system;
(d) check the glideslope system for correct performance in accordance with the approved maintenance data for the system;
(e) check the marker system for correct performance in all modes: an approved simulator may be used for these tests;
(f) inspect the DME system;
(h) inspect the Doppler navigation system;
(j) inspect the weather radar system;
(l) inspect the radio altimeter system;
(m) inspect the ground proximity warning system; and
(n) inspect the electronic flight instrument system.
Part 3 -- Post inspection check
3.1 On completion of each section of the
inspection, check to ensure that all tools, maintenance equipment or rags have
been removed from the aircraft and all panel, access doors, detachable
fairings and fillets have been correctly secured.