23 Sep 2024

 [###  Update Center

 ](https://www.leonsoftware.com/index.php?option=com_content&view=category&id=15)

#    Leon 174 released

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We have recently initiated the deployment of a new version of Leon. Over the next coming days, customers will gradually transition to the updated version. If you encounter any functions that are not working as expected, please notify us via the [Customer Portal](https://customer.leon.aero/).

### Ops

- Added new fields to the Journey Log:
    - **Hoist mission**
    - **Night vision flight**
- Added an additional filtering option in the OPS TIMELINE section. Users can now independently view flights, reservations and scheduled maintenances
- Renamed **Approach types** in Journey Log. The name of the approach '3D+AZI' has been changed to 'AZI', and the name of '3D+CDI' to 'CDI'

### Crew

- In the **Crew Calendar** and **Crew Timeline** views, using the EDIT DUTY function, it will be possible to modify AOC duties without the need to remove and re-add them
- The **Experience** tab in the crew member's edit window will allow adding experience on any aircraft type, not just those in the existing fleet
- The **Ratings** tab in the crew member's edit window now allows specifying if a particular crew member is experienced in the assigned position or not by selecting the proper position in **Experienced** column. More information **[here](https://wiki.leonsoftware.com/updates/crew-new-possibility-to-specify-if-a-crew-member-is-experienced-in-the-assigned-position)**

### Crew Travel

- In the **Tickets to book** and **Tickets to Cancel** tabs, repositionings will now be grouped by the relevant aircraft

### Crew App

- Files uploaded to the **Flight** tab in the OPS module will be available in offline mode on the Crew App

### Phonebook

- Increased field sizes in the **Characteristics** tab of the contact profile
- The contact search will now include searching by travel document numbers

In addition to the features mentioned above, changes have been made to Leon API, which can be reviewed in the provided [changelog](https://bitbucket.org/leondevteam/api-documentation/src/master/changelogs/changelog-174.txt).

##  Latest from update center

 [13 Jul 2026

##  Leon 221 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1190:leon-221-released&catid=15)

 [29 Jun 2026

##  Leon 220 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1183:leon-220-released&catid=15)

 [15 Jun 2026

##  Leon 219 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1181:leon-219-released&catid=15)

 [01 Jun 2026

##  Leon 218 released

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=1176:leon-218-released&catid=15)

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