3.6.3. Advanced performance

The Advanced Performance page provides the ability to define one or more detailed performance models for the aircraft type. More than one performance model associated with an aircraft type is supported. Each one is given a name and can be selected for use when creating a flight plan. A model is built with series of altitudes and the performance values at those altitudes.

*Performance values at intermediate altitudes will be linearly interpolated by AvPlan EFB.

Creating a profile

To create a detailed model, select the Performance tab:

1. Press + to create a new performance model.
2. Enter a suitable name (e.g. ‘75% Power’).
3. Press < Performance to go back. You will notice that the new performance model has been created, but is empty.
   

To build the performance model:

1. Select the Edit icon on the bottom of that window.
2. To add a new row, press Add. Each row is a snapshot of the aircraft’s performance at a given altitude, power setting, or even temperature.
3. Values from the flight manual can then be added for each row. Go back to the Performance view and add rows as required.
4. The more entries, the more accurate fuel/flight planning will be. A single engine piston aircraft may only need a handful of entries to cover its performance spectrum, whereas a turbine powered aircraft will benefit from more entries as the performance values change rapidly with altitude.
5. AvPlan EFB will linearly interpolate values between altitudes listed in the performance profile.
   

*The number of rows you add is up to you, and will depend on the performance characteristics of your aircraft. The simplest example might be for a small piston aircraft to add one row for sea-level, and another for 10,000ft. For some aircraft, such as turbojets, performance will be most important to be detailed in the flight levels, with only a couple of rows to represent low-level flight.

Deleting an advanced performance profile

To delete a performance profile tap Delete Profile. A window will pop up asking which profile is to be deleted.

!When a profile is deleted, any rows associated with that profile will also be deleted.