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

SA04053CH

Installation of Hartzell Trailblazer Propeller. Held by Wipaire INC, which holds 64 approved modifications in all. Last revised November 23, 2016. System: propeller.

What it applies to

Kind of product
Aircraft
Design holder
Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.
Models
182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 185, 185A, 185B, 185C, 185D, 185E, A185E, A185F, T206H
Type certificates
3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A24, 3A24, 3A24, 3A24, 3A24, 3A24, 3A24, 3A24, A4CE
On this site
Cessna 182 Skylane 11,828 registered
Cessna A185 Skywagon 1,372 registered
Cessna T206 Turbo Stationair 1,058 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.