Document ID: chunk:federal_register_of_legislation:F2007L02201:body:0:p7
Version: federal_register_of_legislation:F2007L02201
Segment Type: other
Provision Reference: 
Character Range: 15876–18806

for normal operations.

multiple identical system maintenance, for a twin turbine-engined aeroplane, means a maintenance action performed on the same element of identical but separate EDTO significant systems during the same routine or non‑routine maintenance actions.

performance deterioration allowance, or PDA, means the difference between an aeroplane manufacturer's published fuel consumption model and the actual fuel consumption applicable to a specific aeroplane.

propulsion system means a system consisting of an engine and all other equipment used to provide the functions necessary to sustain, monitor and control the power and thrust output of any 1 engine following its installation on the airframe.

Note   For this definition, an auxiliary power unit (APU) is not an engine.

proving flight means a flight conducted under clause 8 of this Appendix to demonstrate that the AOC holder has the capability and competence to safely conduct and adequately support proposed or approved EDTO with a particular airframe/engine combination.

system includes all items of equipment necessary for the control and performance of a system, including the equipment specifically provided for the function in question and other basic equipment such as that necessary to supply power for the operation of the system or of specific items of equipment.

time-limited system means any system:

(a) on whose availability the duration of the flight depends; and

(b) whose capacity has a time limit.

2 Application for EDTO approval

       (1)The AOC holder must apply to CASA, in writing, for EDTO approval.

Note   The application must be received in sufficient time before the EDTO for CASA to issue the safety operational specifications and for the AOC holder to publish the details in the reserved section of the operations manual in accordance with paragraphs 4.1 and 4.2 of Civil Aviation Order 82.0.

       (2)In addition to any other requirements imposed by this Appendix, the application must include the following:

(a) details of the particular airframe/engine combination, including the latest revision number of the CMP standards document required for EDTO as normally identified in the AFM, the type certificate data sheet or supplemental type certificate;

(b) details of the requested areas of operations;

(c) details of the maximum diversion time, at the approved 1 engine inoperative cruise speed (in ISA and still air conditions) that the aeroplane may be from a suitable aerodrome for landing;

(d) details of the fuel and oil policy as it relates to EDTO;

(e) a list of the EDTO alternate aerodromes en route that are designated for the operation;

(f) either:

           (i) a statement confirming that each EDTO en route alternate aerodrome will have the facilities to ensure the care and safety of a full complement of passengers and crew; or

           (ii) details of the recovery plan for diversion to