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

SA893SW

Installation of Dual FD-109 Flight Director/AP-104 Autopilot, 54W-1C Comparator Warning, dual AL-101 Radio Altimeter, dual MC-102, Compass, dual 51RV-1, VOR/ILS, 51Z-4, Marker, 860E-2 DME and DF-203 ADF systems. Held by Rockwell International Collins Commercial Avionics, which holds 11 approved modifications in all. Last revised December 15, 1993. System: flight controls.

What it applies to

Kind of product
Aircraft
Design holder
Gulfstream Aerospace Corporation
Models
G-159
Type certificate
1A17
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 19, 2026.