Part 121 (Australian Air Transport Operations—Larger Aeroplanes) Manual of Standards 2020
Division 2Form of application for EDTO approval
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Division 2—Form of application for EDTO approval
2.10 Scope of Division 2, Chapter 2
This Division: (a) is made for paragraph 121.035(2)(b) of CASR; and (b) prescribes the form in which an application for EDTO approval must be made.
2.11 Form of application
(1) An application for EDTO approval for a particular aeroplane and airframe/engine combination must be made to CASA in writing. (2) The application must include the following information: (a) the type and model of aeroplane; (b) the diversion time requested; (c) details of the aeroplane’s airframe/engine combination, including the latest revision number of the CMP document required for extended diversion time operations (as normally identified in the aeroplane’s flight manual, type certificate data sheet or supplemental type certificate); (d) details of diversion time capability of the aeroplane and airframe/engine combination as evidenced by the documents and information for the aeroplane mentioned in section 2.03; (e) the time limit of the aeroplane’s most time-limiting EDTO significant system (if any) identified in the aircraft flight manual instructions for the aeroplane; (f) details of the requested areas of operation, including whether operations would enter the polar region; (g) details of the aeroplane speed or speeds the operator will use to comply with the requirements in Division 4 of this Chapter; (h) details of the operator’s plans, processes, procedures or systems to ensure the pre-flight serviceability of the systems mentioned in section 2.05; (i) details of the procedures required under regulation 121.160 of CASR as they relate to determining operational control for an EDTO flight of the aeroplane; (j) details of the dispatch procedures for the aeroplane in relation to the proposed extended diversion time operations; (k) a list of the EDTO en-route alternate aerodromes designated for the operations; (l) details of the training and checking of flight crew members and flight dispatchers for EDTO flights of the aeroplane; (m) details of EDTO training provided to personnel of the operator who: (i) are engaged in providing continuing airworthiness management services for the aeroplane; or (ii) carry out maintenance on the aeroplane on behalf of an approved maintenance organisation; (n) details of the operator’s procedures for complying with the fuel requirements in Chapter 7 in relation to the conduct of EDTO flights; (o) a copy of any amendments to the operator’s exposition that would be required for the proposed extended diversion time operations. Passenger and crew care & safety (3) If the application: (a) requests a diversion time greater than 180 minutes; or (b) involves flight through or within the polar region; the application must also include details of how the operator will ensure the care and safety of a full complement of passengers and crew following a landing at an EDTO en‑route alternate aerodrome.