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

SA00170SE

Installation of vortex generators on the wings and tail surfaces in accordance with Micro AeroDynamics drawings and installation instructions specified on the attached FAA AML No. SA00170SE dated November 12, 1997, or later FAA approved revision. NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy. Held by Micro Aerodynamics INC, which holds 77 approved modifications in all. Last revised February 14, 2003. System: airframe structure.

What it applies to

Kind of product
Aircraft
Design holder
Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.; Maule Aerospace Technology Inc.
Models
Bee Dee MX-7-180A, Bee Dee M-5-180C, Bee Dee M-5-200, Bee Dee M-5-235C, Bee Dee M-6-180, Bee Dee M-7-235, Bee Dee MX-7-180, Bee Dee MXT-7-180, Bee Dee MXT-7-160, Bee Dee M-4C, Bee Dee MXT-7-180A, Bee Dee MX-7-180B, Bee Dee M-7-235B, Bee Dee M-4-220T, Bee Dee MX-7-160, Bee Dee M-4-220S, Bee Dee M-4-220C, Bee Dee M-4-220, Bee Dee M-4-210T, Bee Dee M-4-210S, Bee Dee M-4-210C, Bee Dee M-4-210, Bee Dee M-4-180T, Bee Dee M-4-180S, Bee Dee M-4-180C, Bee Dee M-7-235A, Bee Dee M-4S, Bee Dee MX-7-235, Bee Dee M-4, Bee Dee M-4T, Bee Dee M-6-235
Type certificates
3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23, 3A23
On this site
Maule BEE DEE M-4-210 5 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.