2.
 Lockheed Model L-XXX (passenger) Index

3.
 Boeing Model B-XXX (passenger) Computer

4.
 Boeing Model B-XXX (passenger) Computer

Loading instructions. Loading instructions relative to the above-listed loading schedules are set forth in XYZ Airlines’ Stations Manual, Volume E and Flight Operations Manual, Volume C.
Effective date ___________________________
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CHAPTER 2.—  AIRWORTHINESS REQUIREMENTS
FOR EXTENDED DIVERSION TIME OPERATIONS

2.1 Introduction
The material in this chapter provides guidance on the continuing airworthiness approval for extended diversion time operations as defined in Annex 6, Part I, 4.7.
2.2 General
ICAO Standards containing the basic requirements for the approval of extended diversion time operations are contained in Annex 6, Part I, 4.7. Attachment E of the Annex contains guidance on the setting of a threshold time and on the means of achieving the required level of safety. Paragraph 2.6 of this Chapter contains guidance on the assessment of the level of performance and reliability of systems. Part V, Chapter 2 of this Manual contains information on the approval of extended diversion time operations in the case of international leasing arrangements.
2.3 Continuing airworthiness considerations
2.3.1 General
2.3.1.1  In considering an application from an operator to conduct extended diversion time operations, an assessment should be made of the operator’s over-all safety record, past performance, training and maintenance programmes. The data provided with the request should substantiate the operator’s ability and competence to safely conduct and support these operations and should include the means used to satisfy the considerations outlined in this paragraph. Any reliability assessment obtained, either through analysis or service experience, should be used as guidance in support of operational judgements regarding the suitability of the intended operation.
2.3.1.2  Operators without such experience should establish a programme that results in a high degree of confidence that the operator is able to safely conduct and support these operations and should include the means used to satisfy the considerations outlined in this paragraph.
2.3.2 Assessment of the operator’s propulsion system reliability
2.3.2.1  A determination should be made of the operator’s capability to achieve and maintain an acceptable level of propulsion system reliability based on operator’s past experience or a process review.
2.3.2.2  For operators with past experience, this determination should include trend comparisons of the operator’s data with other operators as well as the world fleet average values and the application of a qualitative judgement that considers all of the relevant factors. The operator’s past record of propulsion system reliability with related types of engines should be reviewed, as well as its record of achieved systems reliability with the airframe-engine combination for which authorization is sought to conduct extended diversion time operations. 
2.3.2.3  Operators without such experience should establish a programme that results in a high degree of confidence that the propulsion system reliability appropriate to the extended diversion time operations would be maintained.
2.3.3  Engineering modifications and maintenance programme considerations
Although these considerations are normally part of the operator’s continuing airworthiness programme, the maintenance and reliability programme may need to be supplemented in consideration of the special requirements of extended diversion time operations (see Sections 2.4 and 2.5 of this Chapter). The following items, as part of the operator’s programme, should be reviewed to ensure that they are adequate for extended diversion time operations.
　
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