The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · amended

SA01227SE

Farication of Vortex Generator Kit. Held by Micro Aerodynamics INC, which holds 77 approved modifications in all. Last revised November 12, 2008. System: electrical power.

What it applies to

Kind of product
Aircraft
Design holder
Arizona Aerospace Foundation; Arizona Aerospace Foundation; Arizona Aerospace Foundation; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Aviation LLC; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.; Taylorcraft Inc.
Models
DCO-65, DF-65, DL-65, 19, F19, F21, F21A, F21B, F22, F22A, BC, BC-65, BC12-65, BC12-D, BC12-D1, BC12D-4-85, BC12D-85, BCS, BCS-65, BCS12-65, BCS12-D, BCS12-D1, BCS12D-4-85, BCS12D-85, A, BF, BF-60, BF-65, BF12-65, BFS, BFS-60, BFS-65, BL, BL-65, BL12-65, BLS, BLS-65, BLS12-65
Type certificates
A-746, A-746, A-746, 1A9, 1A9, 1A9, 1A9, 1A9, 1A9, 1A9, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-643, A-699, A-699, A-699, A-699, A-699, A-699, A-699, A-700, A-700, A-700, A-700, A-700, A-700
On this site
Taylorcraft Aviation Corp 19 18 registered
Taylorcraft Aviation Corp F19 85 registered
Taylorcraft A 28 registered
Taylorcraft BC 17 registered
Taylorcraft BC-65 109 registered
Taylorcraft BC12 BC-12D 1,225 registered
Taylorcraft BCS12 17 registered
Taylorcraft BF 9 registered
Taylorcraft BF-65 9 registered
Taylorcraft BF12 14 registered
Taylorcraft BL 13 registered
Taylorcraft BL-65 134 registered
Taylorcraft BL12 16 registered
Taylorcraft DCO-65 195 registered
Taylorcraft DF-65 7 registered
Taylorcraft F21 13 registered
Taylorcraft F22 6 registered
The FAA's record
On the FAA's site

What an approved modification is

A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.

Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 7, 2026.