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

SA02915CH

Installation of a Gomolzig 606050 Exhaust System with Integrated Silencer in Accordance with Installation Instructions Exhaust System Maule 606050, Pages 1 through 7, No Revision, dated October, 1999. Held by Van Wagnen Brian, which holds 3 approved modifications in all. Last revised February 22, 2011. System: engine.

What it applies to

Kind of product
Aircraft
Design holder
Maule Aerospace Technology Inc.
Models
M-7-235C
Type certificate
3A23
On this site
Maule M-7 275 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 22, 2026.