The following historical data is available from the National Archives:
- Aircraft Type Certificate Data Sheets
- Engine Type Certificates
- Engine Type Certificate Data Sheets
- Archived Engine Type Certificates and Type Certificate Data Sheets
- Propeller Type Certificate Data Sheets
To assist in the identification of TCDS the following letter codes are used:
- BA Aeroplanes of UK design
- BAS Airships of UK design
- BB Balloons of UK design
- BG Gliders of UK design
- BG0 Gyroplanes of UK design
- BM Microlights of UK design
- BR Rotorcraft of UK design
- FA Aeroplanes of Non-UK design
- FAS Airships of Non-UK design
- FG Gliders of Non-UK design
- FR Rotorcraft of Non-UK design
For microlight approvals please see the British Microlight Aircraft Association (BMAA) website.
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