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If the document segment is not visible in its entirety in the available display area, such as during
“zoom” or “pan” operations, the existence of off-screen content should be clearly indicated in a
consistent way. For some intended functions it may be unacceptable if certain portions of documents
are not visible. This should be evaluated based on the application and intended operational function.
If there is a cursor, it should be visible on the screen at all times while in use.
D2.8 Active Regions
Active regions are regions to which special user commands apply. The active region can be text, a
graphic image, a window, frame, or other document object. These regions should be clearly
indicated.
D2.9 Managing Multiple Open Applications and Documents
If the electronic document application supports multiple open documents, or the system allows
multiple open applications, indication of which application and/or document is active should be
continuously provided. The active document is the one that is currently displayed and responds to
user actions. Under non-emergency, normal operations, the user should be able to select which of
the open applications or documents is currently active. In addition, the user should be able to find
which flight deck applications are running and switch to any one of these applications easily. When
the user returns to an application that was running in the background, it should appear in the same
state as when the user left that application – other than differences associated with the progress or
completion of processing performed in the background.
FLIGHT SAFETY FOUNDATION • FLIGHT SAFETY DIGEST • JUNE 2005 29
A P P E N D I X
JAA Administrative & Guidance Material
Section Four: Operations, Part Three: Temporary Guidance Leaflets (JAR-OPS)
Section 4/Part 3 (JAR-OPS) 36-19 01.10.04
D2.10 Flight Crew Workload
The positioning, of the EFB should not result in unacceptable flight crew workload. Complex, multistep
data entry tasks should be avoided during takeoff, landing, and other critical phases of flight. An
evaluation of EFB intended functions should include a qualitative assessment of incremental pilot
workload, as well as pilot system interfaces and their safety implications
D3 Specific Application Considerations
D3.1 Approach/Departure and Navigation Chart Display
The approach, departure, and navigation charts that are depicted should contain the information
necessary, in appropriate form, to conduct the operation to at least a level of safety equivalent to that
provided by paper charts. It is desirable that the EFB display size is at least as large as current paper
approach charts and that the format be consistent with current paper charts. Alternate approach plate
presentations may be acceptable, but will need to be evaluated and approved by the Authority for
functionality and human factors.
3 0 FLIGHT SAFETY FOUNDATION • FLIGHT SAFETY DIGEST • JUNE 2005
A P P E N D I X
JAA Administrative & Guidance Material
Section Four: Operations, Part Three: Temporary Guidance Leaflets (JAR-OPS)
Section 4/Part 3 (JAR-OPS) 36-20 01.10.04
Appendix E EFB classification matrix and derived certification and operational approval
This appendix provides a matrix showing the relationship between the respective airworthiness and operational approval processes for all EFB Classes and
Types.
EFB
Applications
Hardware Class Airworthiness Involvement (Section 6) Operational Involvement (Section 7)
Type A
Refer to
Appendix A
Class 1,2,3 1) Class 1: No
2) Class 2: Yes, for
• Mounting device
• Power
• Data Connectivity
3) Class 3: Yes for the EFB installation and
human factor aspects
4) Type A: No
National Authority FOI:
• Risk Analysis
• Human Factor assessment
• Quality Assurance
• System Administration
• Crew Training
• Operational Evaluation Test
• Statement approval
Type B
Refer to
Appendix B
Class 1,2,3 1) Class 1: No
2) Class 2: Yes, for
• Mounting device
• Power
• Data Connectivity
3) Class 3: Yes for the EFB installation and
human factor aspects
4) Type B: No*
JOEB or Central JAA who may delegate to a nominated National
Authority FOI:
• Risk Analysis
• Human Factor assessment
• Quality Assurance
• System Administration
• Crew Training
• Operational Evaluation Test
• Final report
* Subject to consultation and agreement with the responsible airworthiness authority during the operational approval process, see Appendix B.
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