# Introduction

### Installation & Requirements

The Super27 Expansion is not a standalone product and **requires** the **727-200** Freighter or Passenger version **to be installed**.

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Always keep the base packages updated to avoid unexpected behavior of the Super27.
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If both the Freighter and Passenger versions are installed, the Super27 Expansion will be available for use with both.

### Aircraft Selection

In the aircraft selection menu, the Super27 packages appear as "727-200RE" for the Freighter and "727-200REP" for the Passenger version.

<figure><img src="https://4090082639-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvGAz66cpwvhJ1EniREB0%2Fuploads%2FEinM5ReOZFtqkawBP5Wr%2Fimage.png?alt=media&#x26;token=3084c3fa-f463-45df-b3bf-0aff3916901a" alt=""><figcaption></figcaption></figure>

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Due to a technical limitation, both entries will always be visible, even if you have only one of the base packages installed. If you select a Super27 variant without the corresponding base installation, you’ll quickly see what happens – feel free to give it a try.
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### First Steps

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### Installation

Make sure to update the 727 base package.
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### Difference Training

Read through our [guide](https://docs.flightsim-studio.com/boeing-727/super27-expansion/difference-training) to find out important differences between the Super27 and the base 727 version.
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### EFIS Familiarization

If you plan to use the EFIS, make sure to read the [procedure guide](https://docs.flightsim-studio.com/boeing-727/super27-expansion/efis/procedure-guide) carefully. The use might be different from what you're used to!
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