Type Certificate Data Sheet (TCDS)

"Type Certificate Data Sheets (TCDS) are a part of the Type Certification Process and contain information relevant to the certification of particular aircraft. TCDS contain information that is useful, not only at the time the aircraft undergoes certification, but as an ongoing resource for the life of an aircraft. Any time a Certificate of Airworthiness requires renewal or re-issue, aircraft configuration or aircraft performance information is required or some particular limitations are being considered, the TCDS may provide crucial information"