--- title: Referencing Type Certificate Data Sheets (TCDS) description: TBX allows users to quickly and efficiently pull up aircraft type certificate data sheets (TCDS) to reference any limitations set forth or updated as holders change. --- [Skip to content](https://help.airworthy.com/referencing-type-certificate-data-sheets-tcds#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. [FAA Data & Library](https://help.airworthy.com/faa-data-library?hsLang=en) 3. [Type Certificate Data Sheet (TCDS)](https://help.airworthy.com/faa-data-library?hsLang=en#type-certificate-data-sheet-tcds) November 18, 2025 # Referencing Type Certificate Data Sheets (TCDS) ## TBX makes it easy to reference TC data Need to review a TCD sheet?  It’s a good idea to look over them occasionally, as they’re updated when the TCD Holder changes.  Each Type Certificate includes the type design, operating limitations, the certificate data sheet, and other applicable limitations (14 CFR 21.41). To access these in TBX, expand "Compliance Library" and navigate to the "TCDS" category in the lefthand NavBar: ![KB TCs](https://help.airworthy.com/hs-fs/hubfs/KB%20TCs.png?width=670&height=328&name=KB%20TCs.png) You can pull up any TCDS by Airframe, Engine, Propeller, or search them all. For example, if we want to pull up the PA-25 "Pawnee" we could search PA-25 or "Pawnee": ![KB TCs II](https://help.airworthy.com/hs-fs/hubfs/KB%20TCs%20II.png?width=670&height=373&name=KB%20TCs%20II.png) Our system includes prior and updated revisions.   - [Getting started](https://help.airworthy.com/getting-started?hsLang=en#main-content) - [Videos, Guides and Display](https://help.airworthy.com/getting-started?hsLang=en#videos-guides-and-display) - [Aircraft Profiles](https://help.airworthy.com/getting-started?hsLang=en#aircraft-profiles) - [Account Information and Settings](https://help.airworthy.com/getting-started?hsLang=en#account-information-and-settings) - [Technical Manuals](https://help.airworthy.com/getting-started?hsLang=en#technical-manuals) - [AD Reporting](https://help.airworthy.com/ad-reporting?hsLang=en#main-content) - [AD Report Prep](https://help.airworthy.com/ad-reporting?hsLang=en#ad-report-prep) - [AD Report Preferences & Viewing Options](https://help.airworthy.com/ad-reporting?hsLang=en#ad-report-preferences-viewing-options) - 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