TADS & HADS
Tads (Type Approval Data Sheets)
The approval of the design of certain types of aircraft, engines and propellers is signified by the issue of a Type Certificate.
The design standards for microlights and are listed on Type Approval Data Sheets (TADS)
TADS include information about each aircraft type, including weights, restrictions, mandatory upgrades and a list of approved optional modifications for that type of aircraft. (see MODS page)
HADS ( Homebuilt Aircraft Data Sheets)
HADS are Data sheets for homebuilt Aircraft. A link to HADS on the BMAA website can be found HERE, but is not relevant to flexwing aircraft, and therefore is only for reference here