--- title: How do I purchase Technical Manuals? description: How to purchase technical manuals. --- [Skip to content](https://help.airworthy.com/how-do-i-purchase-technical-manuals#main-content) English Show submenu for translations ![TBX](https://help.airworthy.com/hs-fs/hubfs/TBX-Logo-2024-midnightBlue.png?width=100&height=21&name=TBX-Logo-2024-midnightBlue.png) Open main navigation Close main navigation - English Show submenu for translations - [Contact us](mailto:support@airworthy.com) [Contact us](mailto:support@airworthy.com) How can we help you? - There are no suggestions because the search field is empty. 1. [TBX Knowledge Base](https://help.airworthy.com/?hsLang=en) 2. [Getting started](https://help.airworthy.com/getting-started?hsLang=en) 3. [Technical Manuals](https://help.airworthy.com/getting-started?hsLang=en#technical-manuals) May 5, 2026 # How do I purchase Technical Manuals? ## Get a technical manual subscription added on to your TBX subscription. As the writing of this article, the only technical manual library we have for purchase is **Lycoming**. The **Lycoming Tech Pubs subscription** is an **add-on** to your **TBX subscription**.  You must maintain annual access to TBX to either purchase Lycoming Tech Pubs or have access to them (even if your Lycoming Tech Pub subscription has not lapsed). To Purchase Lycoming Tech Pubs: Click **Manuals** and then **Purchase Lycoming Tech Pubs** on the left-hand navbar. ![](https://help.airworthy.com/hs-fs/hubfs/image-png-May-05-2026-09-47-15-4154-AM.png?width=347&height=517&name=image-png-May-05-2026-09-47-15-4154-AM.png) If you have **previously purchased** a Lycoming Tech Pub subscription, it will be noted on the payment page, along with the **status of you Lycoming Tech Pub subscription Add-On**. ![](https://help.airworthy.com/hs-fs/hubfs/image-png-May-05-2026-09-49-23-1965-AM.png?width=534&height=566&name=image-png-May-05-2026-09-49-23-1965-AM.png) To **purchase** a Lycoming Tech Pub **subscription add-on**, **select** the Tech Pubs or bundle of tech pubs. ![](https://help.airworthy.com/hs-fs/hubfs/image-png-May-05-2026-09-50-55-3444-AM.png?width=561&height=397&name=image-png-May-05-2026-09-50-55-3444-AM.png) **Enter** your **credit card** information and click the **Pay** button ![](https://help.airworthy.com/hs-fs/hubfs/image-png-May-05-2026-09-52-26-9839-AM.png?width=570&height=376&name=image-png-May-05-2026-09-52-26-9839-AM.png) On **successful transaction**, Lycoming Tech Pub library subscription add-on will be made **available** to **you and your additional users**. 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