MANUALS > Engineering > Engineering Module - T/C > Engineering - T/C, Update Menu > A/C Modification Plans > A/C Modification Plan Detail Buttons > Effectivity Button, via A/C Modification Plan Detail

Select the Effectivity button to apply Aircraft Effectivity to the selected Plan Reference.

When the Effectivity button is selected, the Plan Reference Effectivity window appears as follows.

The following information/options are available in this window:
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Expand / Collapse buttons

Use these buttons to view all of a fleet's aircraft or to hide all of a fleet's aircraft. Once expanded, individual aircraft can be selected or deselected for effectivity.

A/C

The individual aircraft that make up the fleet.

A/C Type/Series

The entire aircraft fleet.

A/C Type/Series button

Select this checkbox to add effectivity to all Aircraft under the selected Type/Series.

Individual A/C checkbox - Select this checkbox to only add effectivity to the selected Aircraft. This will change the Status to 'Partially'.

P/N Range button

Select this button to apply effectivity to a range of specified S/N Line items or to a range of IPCs.

ALL

Indicates that all aircraft for the selected type/series are effective. If only one available Type/series is selected, but all of the aircraft within that type/series are selected, the effectivity is classified as ‘ALL.’

PARTIALLY

Indicates that some but not all aircraft for the selected type/series are effective. If multiple type/series are selected, but one of the selected type/series has aircraft within that are not selected, the effectivity is classified as ‘Partially.’

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Select the fleet type/series applicable.

To select only specific Tail Numbers within a fleet Type/Series, select the fleet's Expand button and then select the applicable Tail Numbers. If a part is not effective to an aircraft, it cannot be issued to a Work Order for that aircraft. However, if the Work Order is for a third party, there are no effectivity checks on the part issues.