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

SA4147SW

Installation of one, two and three and four-place side facing seat. Held by Aviation Fabricators INC, which holds 92 approved modifications in all. Last revised July 23, 2002. System: cabin, seats and restraints.

What it applies to

Kind of product
Aircraft
Design holder
Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company
Models
BAe.125 Series 1000, BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800, BAe.125 Series 800A, BAe.125 Series 800A (C-29A), BAe.125 Series 800A (U-125), BAe.125 Series 800B, BH.125 Series 400, BH.125 Series 400A, BH.125 Series 600, BH.125 Series 600A, DH.125 Series 1, DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 1A/R-522, DH.125 Series 1A/S-522, DH.125 Series 1/522, DH.125 Series 1/R-522, DH.125 Series 1/S-522, DH.125 Series 3, DH.125 Series 3A, DH.125 Series 3A/R, DH.125 Series 3A/RA, DH.125 Series 3B/RA, DH.125 Series 3/R, DH.125 Series 3/RA, DH.125 Series 400, DH.125...
Type certificates
A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU
On this site
British Aerospace BAE 125 76 registered
Raytheon Aircraft Company HAWKER 800 252 registered
Raytheon Corporate Jets Inc HAWKER 1000 8 registered
Raytheon Corporate Jets Inc HAWKER 800 33 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.